Document:

<PAGE>

                                                                     EXHIBIT 4.2
================================================================================

                         NORTHERN BORDER PARTNERS, L.P.

                                   AS ISSUER,

                                       AND

                               [NAME OF TRUSTEE],

                                   AS TRUSTEE

                                    INDENTURE

                       DATED AS OF [________] [__], [____]

                          SUBORDINATED DEBT SECURITIES

================================================================================
<PAGE>

                              CROSS-REFERENCE TABLE

<TABLE>
<CAPTION>
TIA SECTION                                                    INDENTURE SECTION
<S>                                                            <C>
310    (a)...................................................  7.10
       (b)...................................................  7.10
       (c)...................................................  N.A.
311    (a)...................................................  7.11
       (b)...................................................  7.11
       (c)...................................................  N.A.
312    (a)...................................................  5.01
       (b)...................................................  5.02
       (c)...................................................  5.02
313    (a)...................................................  5.03
       (b)...................................................  5.03
       (c)...................................................  5.03 &13.03
       (d)...................................................  5.03
314    (a)...................................................  4.05
       (b)...................................................  N.A.
       (c)(1)................................................  13.05
       (c)(2)................................................  13.05
       (c)(3)................................................  N.A.
       (d)...................................................  N.A.
       (e)...................................................  13.05
       (f)...................................................  N.A.
315    (a)...................................................  7.01
       (b)...................................................  6.07 & 13.03
       (c)...................................................  7.01
       (d)...................................................  7.01
       (e)...................................................  6.08
316    (a) (last sentence)...................................  1.01
       (a)(1)(A).............................................  6.06
       (a)(1)(B).............................................  6.06
       (a)(2)................................................  9.01(e)
       (b)...................................................  6.04
       (c)...................................................  5.04
317    (a)(1)................................................  6.02
       (a)(2)................................................  6.02
       (b)...................................................  4.04
318    (a)...................................................  13.07
</TABLE>

N.A. means Not Applicable

NOTE: This Cross-Reference table shall not, for any purpose, be deemed part of
      this Indenture.

                                        i
<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                               Page
<S>                  <C>                                                                                       <C>
                                    ARTICLE I
                   DEFINITIONS AND INCORPORATION BY REFERENCE

   Section 1.01.     Definitions..................................................................................2
   Section 1.02.     Other Definitions............................................................................8
   Section 1.03.     Incorporation by Reference of Trust Indenture Act............................................8
   Section 1.04.     Rules of Construction........................................................................8

                                   ARTICLE II
                                 DEBT SECURITIES

   Section 2.01.     Forms Generally..............................................................................8
   Section 2.02.     Form of Trustee's Certificate of Authentication..............................................9
   Section 2.03.     Principal Amount; Issuable in Series.........................................................9
   Section 2.04.     Execution of Debt Securities................................................................11
   Section 2.05.     Authentication and Delivery of Debt Securities..............................................12
   Section 2.06.     Denomination of Debt Securities.............................................................13
   Section 2.07.     Registration of Transfer and Exchange.......................................................13
   Section 2.08.     Temporary Debt Securities...................................................................14
   Section 2.09.     Mutilated, Destroyed, Lost or Stolen Debt Securities........................................15
   Section 2.10.     Cancellation of Surrendered Debt Securities.................................................16
   Section 2.11.     Provisions of the Indenture and Debt Securities for the Sole Benefit of the Parties
                     and the Holders.............................................................................16
   Section 2.12.     Payment of Interest; Interest Rights Preserved..............................................16
   Section 2.13.     Securities Denominated in Dollars...........................................................17
   Section 2.14.     Wire Transfers..............................................................................17
   Section 2.15.     Securities Issuable in the Form of a Global Security........................................17
   Section 2.16.     Medium Term Securities......................................................................19
   Section 2.17.     Defaulted Interest..........................................................................20
   Section 2.18.     CUSIP Numbers...............................................................................21

                                   ARTICLE III
                          REDEMPTION OF DEBT SECURITIES

   Section 3.01.     Applicability of Article....................................................................21
   Section 3.02.     Notice of Redemption; Selection of Debt Securities..........................................21
   Section 3.03.     Payment of Debt Securities Called for Redemption............................................22
   Section 3.04.     Mandatory and Optional Sinking Funds........................................................23
   Section 3.05.     Redemption of Debt Securities for Sinking Fund..............................................24
</TABLE>

                                       ii
<PAGE>

<TABLE>
<S>                  <C>                                                                                       <C>
                                   ARTICLE IV
                     PARTICULAR COVENANTS OF THE PARTNERSHIP

   Section 4.01.     Payment of Principal of, and Premium, If Any, and Interest on, Debt Securities..............25
   Section 4.02.     Maintenance of Offices or Agencies for Registration of Transfer, Exchange and
                     Payment of Debt Securities..................................................................25
   Section 4.03.     Appointment to Fill a Vacancy in the Office of Trustee......................................26
   Section 4.04.     Duties of Paying Agents, etc................................................................26
   Section 4.05.     SEC Reports; Financial Statements...........................................................27
   Section 4.06.     Compliance Certificate......................................................................28
   Section 4.07.     Further Instruments and Acts................................................................28
   Section 4.08.     Existence...................................................................................28
   Section 4.09.     Waiver of Usury, Stay or Extension Laws.....................................................28
   Section 4.10.     Waiver of Certain Covenants.................................................................28

                                    ARTICLE V
                    HOLDERS' LISTS AND REPORTS BY THE TRUSTEE

   Section 5.01.     Partnership to Furnish Trustee Information as to Names and Addresses of Holders;
                     Preservation of Information.................................................................29
   Section 5.02.     Communications to Holders...................................................................29
   Section 5.03.     Reports by Trustee..........................................................................29
   Section 5.04.     Record Dates for Action by Holders..........................................................30

                                   ARTICLE VI
             REMEDIES OF THE TRUSTEE AND HOLDERS IN EVENT OF DEFAULT

   Section 6.01.     Events of Default...........................................................................30
   Section 6.02.     Collection of Debt by Trustee, etc..........................................................32
   Section 6.03.     Application of Moneys Collected by Trustee..................................................33
   Section 6.04.     Limitation on Suits by Holders..............................................................34
   Section 6.05.     Remedies Cumulative; Delay or Omission in Exercise of Rights Not a Waiver of Default........34
   Section 6.06.     Rights of Holders of Majority in Principal Amount of Debt Securities to Direct
                     Trustee and to Waive Default................................................................35
   Section 6.07.     Trustee to Give Notice of Defaults Known to It, but May Withhold Such Notice in
                     Certain Circumstances.......................................................................35
   Section 6.08.     Requirement of an Undertaking to Pay Costs in Certain Suits under the Indenture or
                     Against the Trustee.........................................................................36

                                   ARTICLE VII
                             CONCERNING THE TRUSTEE

   Section 7.01.     Certain Duties and Responsibilities.........................................................36
   Section 7.02.     Certain Rights of Trustee...................................................................37
   Section 7.03.     Trustee Not Liable for Recitals in Indenture or in Debt Securities..........................38
</TABLE>

                                       iii
<PAGE>

<TABLE>
<S>                  <C>                                                                                       <C>
   Section 7.04.     Trustee, Paying Agent or Registrar May Own Debt Securities..................................38
   Section 7.05.     Moneys Received by Trustee to Be Held in Trust..............................................39
   Section 7.06.     Compensation and Reimbursement..............................................................39
   Section 7.07.     Right of Trustee to Rely on an Officers' Certificate Where No Other Evidence
                     Specifically Prescribed.....................................................................39
   Section 7.08.     Separate Trustee; Replacement of Trustee....................................................40
   Section 7.09.     Successor Trustee by Merger.................................................................41
   Section 7.10.     Eligibility; Disqualification...............................................................41
   Section 7.11.     Preferential Collection of Claims Against Partnership.......................................41
   Section 7.12.     Compliance with Tax Laws....................................................................41
   Section 7.13.     Administration of Trust.....................................................................42

                                  ARTICLE VIII
                             CONCERNING THE HOLDERS

   Section 8.01.     Evidence of Action by Holders...............................................................42
   Section 8.02.     Proof of Execution of Instruments and of Holding of Debt Securities.........................42
   Section 8.03.     Who May Be Deemed Owner of Debt Securities..................................................42
   Section 8.04.     Instruments Executed by Holders Bind Future Holders.........................................43

                                   ARTICLE IX
                             SUPPLEMENTAL INDENTURES

   Section 9.01.     Purposes for Which Supplemental Indenture May Be Entered into Without Consent of
                     Holders.....................................................................................43
   Section 9.02.     Modification of Indenture with Consent of Holders of Debt Securities........................45
   Section 9.03.     Effect of Supplemental Indentures...........................................................46
   Section 9.04.     Debt Securities May Bear Notation of Changes by Supplemental Indentures.....................46

                                    ARTICLE X
                    CONSOLIDATION, MERGER, SALE OR CONVEYANCE

   Section 10.01.    Consolidations and Mergers of the Partnership...............................................47
   Section 10.02.    Rights and Duties of Successor Partnership..................................................47

                                   ARTICLE XI
                          SATISFACTION AND DISCHARGE OF
                     INDENTURE; DEFEASANCE; UNCLAIMED MONEYS

   Section 11.01.    Applicability of Article....................................................................48
   Section 11.02.    Satisfaction and Discharge of Indenture; Defeasance.........................................48
   Section 11.03.    Conditions of Defeasance....................................................................49
   Section 11.04.    Application of Trust Money..................................................................50
   Section 11.05.    Repayment to Partnership....................................................................50
   Section 11.06.    Indemnity for U.S.  Government Obligations..................................................50
   Section 11.07.    Reinstatement...............................................................................50
</TABLE>

                                       iv
<PAGE>

<TABLE>
<S>                  <C>                                                                                       <C>
                                   ARTICLE XII
                        SUBORDINATION OF DEBT SECURITIES

   Section 12.01.    Applicability of Article; Agreement To Subordinate..........................................51
   Section 12.02.    Liquidation, Dissolution, Bankruptcy........................................................51
   Section 12.03.    Default on Senior Indebtedness..............................................................51
   Section 12.04.    Acceleration of Payment of Debt Securities..................................................52
   Section 12.05.    When Distribution Must Be Paid Over.........................................................52
   Section 12.06.    Subrogation.................................................................................52
   Section 12.07.    Relative Rights.............................................................................52
   Section 12.08.    Subordination May Not Be Impaired by Partnership............................................53
   Section 12.09.    Rights of Trustee and Paying Agent..........................................................53
   Section 12.10.    Distribution or Notice to Representative....................................................53
   Section 12.11.    Article XII Not to Prevent Defaults or Limit Right to Accelerate............................53
   Section 12.12.    Trust Moneys Not Subordinated...............................................................53
   Section 12.13.    Trustee Entitled to Rely....................................................................54
   Section 12.14.    Trustee to Effectuate Subordination.........................................................54
   Section 12.15.    Trustee Not Fiduciary for Holders of Senior Indebtedness....................................54
   Section 12.16.    Reliance by Holders of Senior Indebtedness on Subordination Provisions......................54

                                  ARTICLE XIII
                            MISCELLANEOUS PROVISIONS

   Section 13.01.    Successors and Assigns of Partnership Bound by Indenture....................................55
   Section 13.02.    Acts of Board, Committee or Officer of Successor Partnership Valid..........................55
   Section 13.03.    Required Notices or Demands.................................................................55
   Section 13.04.    Indenture and Debt Securities to Be Construed in Accordance with the Laws of the
                     State of New York...........................................................................56
   Section 13.05.    Officers' Certificate and Opinion of Counsel to Be Furnished upon Application or
                     Demand by the Partnership...................................................................56
   Section 13.06.    Payments Due on Legal Holidays..............................................................57
   Section 13.07.    Provisions Required by TIA to Control.......................................................57
   Section 13.08.    Computation of Interest on Debt Securities..................................................57
   Section 13.09.    Rules by Trustee, Paying Agent and Registrar................................................57
   Section 13.10.    Non-Recourse to the General Partners; No Personal Liability of Directors, Officers,
                     Employees or Partners.......................................................................57
   Section 13.11.    Severability................................................................................57
   Section 13.12.    Effect of Headings..........................................................................57
   Section 13.13.    Indenture May Be Executed in Counterparts...................................................58
</TABLE>

                                        v
<PAGE>

         THIS INDENTURE dated as of [________] [__], [____] is among Northern
Border Partners, L.P., a Delaware limited partnership (the "Partnership"), and
[Name of Trustee], a [__________________], as trustee (the "Trustee").

                           RECITALS OF THE PARTNERSHIP

         The Partnership has duly authorized the execution and delivery of this
Indenture to provide for the issuance from time to time of the Partnership's
debentures, notes, bonds or other evidences of indebtedness to be issued in one
or more series unlimited as to principal amount (herein called "Debt
Securities"), as in this Indenture provided.

         All things necessary to make this Indenture a valid agreement of the
Partnership, in accordance with its terms, have been done.

         NOW, THEREFORE, THIS INDENTURE WITNESSETH

         That in order to declare the terms and conditions upon which the Debt
Securities are authenticated, issued and delivered, and in consideration of the
premises, and of the purchase and acceptance of the Debt Securities by the
holders thereof, the Partnership and the Trustee covenant and agree with each
other, for the benefit of the respective Holders from time to time of the Debt
Securities or any series thereof, as follows:

                                   ARTICLE I
                   DEFINITIONS AND INCORPORATION BY REFERENCE

         Section 1.01. Definitions.

         "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For the purposes of this definition,
"control" when used with respect to any specified Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing.

         "Agent" means any Registrar or Paying Agent.

         "Bankruptcy Law" means Title 11, U.S. Code or any similar federal or
state law for the relief of debtors.

         "Business Day" means any day other than a Legal Holiday.

         "Capital Interests" of any Person means any and all shares, interests,
participations, rights or other equivalents (however designated) of capital
stock of such Person, including, without limitation, with respect to
partnerships, partnership interests (whether general or limited), and with
respect to limited liability companies, member interests and any other interest
or participation that confers on the holder thereof the right to receive a share
of the profits and losses of, or distributions of assets of, such Person.

                                       2
<PAGE>

         "Custodian" means any receiver, trustee, assignee, liquidator,
sequester or similar official under any Bankruptcy Law.

         "Debt" means any obligation incurred, created or assumed by any Person
for the repayment of money borrowed, any purchase money obligation incurred,
created or assumed by such Person and any guarantee of any of the foregoing.

         "Debt Security" or "Debt Securities" has the meaning stated in the
first recital of this Indenture and more particularly means any debt security or
debt securities, as the case may be, of any series authenticated and delivered
under this Indenture.

         "Default" means any event, act or condition that is, or after notice or
the passage of time or both would be, an Event of Default.

         "Depositary" means, unless otherwise specified by the Partnership
pursuant to either Section 2.03 or 2.15, with respect to Debt Securities of any
series issuable or issued in whole or in part in the form of one or more Global
Securities, The Depository Trust Company, New York, New York, or any successor
thereto registered as a clearing agency under the Exchange Act or other
applicable statute or regulations.

         "Designated Senior Indebtedness" means (i) any Senior Indebtedness
which, at the date of determination, has an aggregate principal amount
outstanding of, or under which, at the date of determination, the holders
thereof are committed to lend up to, at least $100 million and (ii) any other
Senior Indebtedness designated, as provided in Section 2.03, in respect of any
series of Debt Securities.

         "Dollar" or "$" means such currency of the United States of America as
at the time of payment is legal tender for the payment of public and private
debts.

         "Exchange Act" means the Securities Exchange Act of 1934, as amended,
and any successor statute.

         "Floating Rate Security" means a Debt Security that provides for the
payment of interest at a variable rate determined periodically by reference to
an interest rate index specified pursuant to Section 2.03.

         "GAAP" means generally accepted accounting principles set forth in the
opinions and pronouncements of the Accounting Principles Board of the American
Institute of Certified Public Accountants, the statements and pronouncements of
the Financial Accounting Standards Board and such other statements by such other
entities as have been approved by a significant segment of the accounting
profession in the United States of America, which are applicable at the date of
determination.

         "General Partners" means Northern Plains Natural Gas Company, a
Delaware corporation, Pan Border Gas Company, a Delaware corporation, and
Northwest Border Pipeline Company, a Delaware corporation.

                                        3
<PAGE>

         "Global Security" means with respect to any series of Debt Securities
issued hereunder, a Debt Security which is executed by the Partnership and
authenticated and delivered by the Trustee to the Depositary or pursuant to the
Depositary's instruction, all in accordance with this Indenture and any
Indentures supplemental hereto, or resolution of the Partnership Policy
Committee and set forth in an Officers' Certificate, which shall be registered
in the name of the Depositary or its nominee and which shall represent, and
shall be denominated in an amount equal to the aggregate principal amount of,
all the Outstanding Debt Securities of such series or any portion thereof, in
either case having the same terms, including, without limitation, the same
original issue date, date or dates on which principal is due and interest rate
or method of determining interest.

         "guarantee" means a guarantee (other than by endorsement of negotiable
instruments for collection in the ordinary course of business), direct or
indirect, in any manner (including, without limitation, letters of credit and
reimbursement agreements in respect thereof or pledging assets to secure), of
all or any part of any indebtedness.

         "Holder," "Holder of Debt Securities" or other similar terms means, a
Person in whose name a Debt Security is registered in the Debt Security
Register.

         "Indenture" means this instrument as originally executed, or, if
amended or supplemented as herein provided, as so amended or supplemented and
shall include the form and terms of particular series of Debt Securities as
contemplated hereunder, whether or not a supplemental Indenture is entered into
with respect thereto.

         "Legal Holiday" means a Saturday, a Sunday or a day on which banking
institutions in the City of New York or at a Place of Payment are authorized by
law, regulation or executive order to remain closed. If a payment date is a
Legal Holiday at a Place of Payment, payment may be made at that place on the
next succeeding day that is not a Legal Holiday, and no interest shall accrue
for the intervening period.

         "Lien" means, with respect to any asset, any mortgage, lien, pledge,
charge, security interest or encumbrance of any kind in respect of such asset,
whether or not filed, recorded or otherwise perfected under applicable law
(including, without limitation, any conditional sale or other title retention
agreement, any lease in the nature thereof, any option or other agreement to
sell or give a security interest in any asset and any filing of or agreement to
give any financing statement under the Uniform Commercial Code (or equivalent
statutes) of any jurisdiction).

         "Officer" means, with respect to any Person, the Chairman of the Board,
the Chief Executive Officer, the President, the Chief Operating Officer, the
Chief Financial and Accounting Officer, the Treasurer, any Assistant Treasurer,
the Controller, the Secretary or any Vice-President of such Person; provided,
however, that an Officer with respect to a partnership shall mean an Officer of
its general partner or general partners or, as applicable in the case of the
Partnership, a member of its Partnership Policy Committee.

         "Officers' Certificate" means a certificate signed on behalf of the
Partnership by two Officers of the Partnership, one of whom must be the
principal executive officer, the principal

                                        4
<PAGE>

financial officer, the treasurer or the principal accounting officer of the
Partnership, that meets the requirements of Section 13.05.

         "Opinion of Counsel" means a written opinion from legal counsel who is
reasonably acceptable to the Trustee, that meets the requirements of Section
13.05 hereof. The counsel may be an employee of or counsel to the Partnership.

         "Original Issue Discount Debt Security" means any Debt Security which
provides for an amount less than the principal amount thereof to be due and
payable upon a declaration of acceleration of the maturity thereof pursuant to
Section 6.01.

         "Outstanding," when used with respect to any series of Debt Securities,
means, as of the date of determination, all Debt Securities of that series
theretofore authenticated and delivered under this Indenture, except: (a) Debt
Securities of that series theretofore canceled by the Trustee or delivered to
the Trustee for cancellation; (b) Debt Securities of that series for whose
payment or redemption money in the necessary amount has been theretofore
deposited with the Trustee or any Paying Agent (other than the Partnership) in
trust or set aside and segregated in trust by the Partnership (if the
Partnership shall act as its own Paying Agent) for the Holders of such Debt
Securities; provided, that, if such Debt Securities are to be redeemed, notice
of such redemption has been duly given pursuant to this Indenture or provision
therefor satisfactory to the Trustee has been made; and (c) Debt Securities of
that series which have been paid pursuant to Section 2.09 or in exchange for or
in lieu of which other Debt Securities have been authenticated and delivered
pursuant to this Indenture, other than any such Debt Securities in respect of
which there shall have been presented to the Trustee proof satisfactory to it
that such Debt Securities are held by a bona fide purchaser in whose hands such
Debt Securities are valid obligations of the Partnership; provided, however,
that in determining whether the Holders of the requisite principal amount of the
Outstanding Debt Securities of any series have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, Debt Securities
owned by the Partnership or any other obligor upon the Debt Securities or any
Affiliate of the Partnership or of such other obligor shall be disregarded and
deemed not to be Outstanding, except that, in determining whether the Trustee
shall be protected in relying upon any such request, demand, authorization,
direction, notice, consent or waiver, only Debt Securities which an officer of
the Trustee actually knows to be so owned shall be so disregarded. Debt
Securities so owned which have been pledged in good faith may be regarded as
Outstanding if the pledgee establishes to the satisfaction of the Trustee the
pledgee's right so to act with respect to such Debt Securities and that the
pledgee is not the Partnership or any other obligor upon the Debt Securities or
an Affiliate of the Partnership or of such other obligor. In determining whether
the Holders of the requisite principal amount of Outstanding Debt Securities
have given any request, demand, authorization, direction, notice, consent or
waiver hereunder, the principal amount of an Original Issue Discount Debt
Security that shall be deemed to be Outstanding for such purposes shall be the
amount of the principal thereof that would be due and payable as of the date of
such determination upon a declaration of acceleration of the maturity thereof
pursuant to Section 6.01.

         "Partnership" means the Person named as the "Partnership" in the first
paragraph of this instrument until a successor Person shall have become such
pursuant to the applicable provisions of this Indenture, and thereafter
"Partnership" shall mean such successor Person.

                                        5
<PAGE>

         "Partnership Policy Committee" at any time, means the committee, board
or other similar governing body that oversees management of the Partnership at
such time.

         "Partnership Request" or "Partnership Order" means a written request or
order signed in the name of the Partnership by a member of the Partnership
Policy Committee or the chief executive officer or the chief financial and
accounting officer of the Partnership, and delivered to the Trustee, or if the
Partnership shall change its form of entity to other than a limited partnership,
by Persons or officers, members, agents and the like positions comparable to
those of the foregoing nature, as applicable.

         "Paying Agent" means any Person authorized by the Partnership to pay
the principal of or any premium or interest on a series of Debt Securities on
behalf of the Partnership.

         "Person" means any individual, corporation, partnership, joint venture,
limited liability company, incorporated or unincorporated association,
joint-stock company, trust, unincorporated organization or government or other
agency or political subdivision thereof or other entity of any kind.

         "Property" means any right or interest of the Partnership or any of its
Subsidiaries in and to property of any kind whatsoever, whether real, personal
or mixed and whether tangible or intangible.

         "Redemption Date," when used with respect to any Debt Security to be
redeemed, means the date fixed for such redemption by or pursuant to this
Indenture.

         "Representative" means the trustee, agent or representative (if any)
for an issue of Senior Debt.

         "SEC" means the Securities and Exchange Commission.

         "Securities Act" means the Securities Act of 1933, as amended, and any
successor statute.

         "Senior Indebtedness" of the Partnership, unless otherwise provided
with respect to the Debt Securities of a series as contemplated by Section 2.03,
means (a) all Debt of the Partnership, whether currently outstanding or
hereafter issued, unless, by the terms of the instrument creating or evidencing
such Debt, it is provided that such Debt is not superior in right of payment to
the Debt Securities or to other Debt which is pari passu with or subordinated to
the Debt Securities, and (b) any modifications, refunding, deferrals, renewals
or extensions of any such Debt or securities, notes or other evidence of Debt
issued in exchange for such Debt; provided that in no event shall "Senior Debt"
include (i) indebtedness of the Partnership owed or owing to any Subsidiary of
the Partnership or any officer, director or employee of the Partnership or any
Subsidiary of the Partnership, (ii) indebtedness to trade creditors or (iii) any
liability for taxes owed or owing by the Partnership.

         "Stated Maturity" means, with respect to any security, the date
specified in such security as the fixed date on which the payment of principal
of such security is due and payable, including pursuant to any mandatory
redemption provision (but excluding any provision

                                        6
<PAGE>

providing for the repurchase of such security at the option of the holder
thereof upon the happening of any contingency beyond the control of the issuer
unless such contingency has occurred).

         "Subsidiary" of any Person means (i) any Person of which at the time of
such determination more than 50% of the total voting power of Capital Interests
entitled (without regard to the occurrence of any contingency to vote in the
election of directors, managers or trustees thereof (or other Persons
constituting an equivalent governing body) is owned or controlled, directly or
indirectly, by such Person or one or more of the Subsidiaries of such Person (or
a combination thereof), (ii) in the case of a partnership, any Person of which
at the time of such determination more than 50% of the partners' Capital
Interests (considering all partners' Capital Interests as a single class) is
owned or controlled, directly or indirectly, by such Person or one or more
Subsidiaries of such Person, or (iii) any other Person in which such Person or
one or more of the Subsidiaries of that Person (or a combination thereof) has
the power to control by contract or otherwise the board of directors, managers
or trustees thereof or equivalent governing body or otherwise controls such
entity. Unless otherwise provided, references in this Indenture to a Subsidiary
are to a Subsidiary of the Partnership.

         "TIA" means the Trust Indenture Act of 1939, as amended (15 U.S.C.
Sections 77aaa-77bbbb), as in effect on the date of this Indenture as originally
executed and, to the extent required by law, as amended.

         "Trustee" initially means [Name of Trustee], a [_________________], and
any other Person or Persons appointed as such from time to time pursuant to
Section 7.08, and, subject to the provisions of Article VII, includes its or
their successors and assigns. If at any time there is more than one such Person,
"Trustee" as used with respect to the Debt Securities of any series shall mean
the Trustee with respect to the Debt Securities of that series.

         "Trust Officer" means any officer or assistant officer of the Trustee
assigned by the Trustee to administer its corporate trust matters.

         "U.S. Government Obligations" means direct obligations of the United
States of America, obligations on which the payment of principal and interest is
fully guaranteed by the United States of America or obligations or guarantees
for the payment of which the full faith and credit of the United States of
America is pledged.

         "Yield to Maturity" means the yield to maturity, calculated at the time
of issuance of a series of Debt Securities, or, if applicable, at the most
recent redetermination of interest on such series and calculated in accordance
with accepted financial practice.

                                        7
<PAGE>

         Section 1.02. Other Definitions.

<TABLE>
<CAPTION>
         TERM                                             DEFINED IN SECTION
         ----------------------------------------------   ----------------------
<S>                                                       <C>
         "Debt Security Register"......................   2.07
         "Defaulted Interest"..........................   2.17
         "Event of Default"............................   6.01
         "Place of Payment"............................   2.03
         "Registrar"...................................   2.07
         "Successor Partnership".......................   10.01
</TABLE>

         Section 1.03. Incorporation by Reference of Trust Indenture Act.
Whenever this Indenture refers to a provision of the TIA, the provision is
incorporated by reference in and made a part of this Indenture.

         All terms used in this Indenture that are defined by the TIA, defined
by TIA reference to another statute or defined by SEC rule under the TIA have
the meanings so assigned to them.

         Section 1.04. Rules of Construction. Unless the context otherwise
requires:

         (a) a term has the meaning assigned to it;

         (b) an accounting term not otherwise defined has the meaning assigned
to it in accordance with GAAP;

         (c) "or" is not exclusive;

         (d) words in the singular include the plural, and in the plural include
the singular;

         (e) provisions apply to successive events and transactions; and

         (f) the principal amount of any noninterest bearing or other discount
security at any date shall be the principal amount thereof that would be shown
on a balance sheet of the issuer dated such date prepared in accordance with
GAAP.

                                   ARTICLE II
                                 DEBT SECURITIES

         Section 2.01. Forms Generally. The Debt Securities of each series shall
be in substantially the form established without the approval of any Holder by
or pursuant to a resolution of the Partnership Policy Committee or in one or
more Indentures supplemental hereto, in each case with such appropriate
insertions, omissions, substitutions and other variations as are required or
permitted by this Indenture, and may have such letters, numbers or other marks
of identification and such legends or endorsements placed thereon as the
Partnership may deem appropriate (and, if not contained in a supplemental
Indenture entered into in accordance with Article IX, as are not prohibited by
the provisions of this Indenture) or as may be required or appropriate to comply
with any law or with any rules made pursuant thereto or with any rules of any
securities exchange on which such series of Debt Securities may be listed,

                                        8
<PAGE>

or to conform to general usage, or as may, consistently herewith, be determined
by the officers executing such Debt Securities as evidenced by their execution
of the Debt Securities.

         The definitive Debt Securities of each series shall be printed,
lithographed or engraved on steel engraved borders or may be produced in any
other manner, all as determined by the officers executing such Debt Securities,
as evidenced by their execution of such Debt.

         Section 2.02. Form of Trustee's Certificate of Authentication. The
Trustee's certificate of authentication on all Debt Securities authenticated by
the Trustee shall be in substantially the following form:

                     TRUSTEE'S CERTIFICATE OF AUTHENTICATION

         This is one of the Debt Securities of the series designated therein
referred to in the within-mentioned Indenture.

                                              [NAME OF TRUSTEE], as Trustee

                                              By:
                                                 -------------------------------
                                                 Authorized Signatory

         Section 2.03. Principal Amount; Issuable in Series. The aggregate
principal amount of Debt Securities which may be issued, executed,
authenticated, delivered and outstanding under this Indenture is unlimited.

         The Debt Securities may be issued in one or more series in fully
registered form. There shall be established, without the approval of any
Holders, in or pursuant to a resolution of the Partnership Policy Committee and
set forth in an Officers' Certificate, or established in one or more Indentures
supplemental hereto, prior to the issuance of Debt Securities of any series any
or all of the following:

         (a) the title of the Debt Securities of the series (which shall
distinguish the Debt Securities of the series from all other Debt Securities);

         (b) any limit upon the aggregate principal amount of the Debt
Securities of the series which may be authenticated and delivered under this
Indenture (except for Debt Securities authenticated and delivered upon
registration of transfer of, or in exchange for, or in lieu of, other Debt
Securities of the series pursuant to this Article II);

         (c) the date or dates on which the principal and premium, if any, of
the Debt Securities of the series are payable;

         (d) the rate or rates (which may be fixed or variable) at which the
Debt Securities of the series shall bear interest, if any, or the method of
determining such rate or rates, the date or dates from which such interest shall
accrue, the interest payment dates on which such interest shall be payable, or
the method by which such date will be determined, the record dates for the

                                        9
<PAGE>

determination of Holders thereof to whom such interest is payable; and the basis
upon which interest will be calculated if other than that of a 360-day year of
twelve thirty-day months;

         (e) the place or places, if any, in addition to or instead of the
corporate trust office of the Trustee, where the principal of, and premium, if
any, and interest on, Debt Securities of the series shall be payable ("Place of
Payment");

         (f) the price or prices at which, the period or periods within which
and the terms and conditions upon which Debt Securities of the series may be
redeemed, in whole or in part, at the option of the Partnership or otherwise;

         (g) the obligation, if any, of the Partnership to redeem, purchase or
repay Debt Securities of the series pursuant to any sinking fund or analogous
provisions or at the option of a Holder thereof, and the price or prices at
which and the period or periods within which and the terms and conditions upon
which Debt Securities of the series shall be redeemed, purchased or repaid, in
whole or in part, pursuant to such obligations;

         (h) the terms, if any, upon which the Debt Securities of the series may
be convertible into or exchanged for Capital Interests (which may be represented
by depositary shares), other Debt Securities or warrants for Capital Interests
or Debt or other securities of any kind of the Partnership or any other obligor
and the terms and conditions upon which such conversion or exchange shall be
effected, including the initial conversion or exchange price or rate, the
conversion or exchange period and any other provision in addition to or in lieu
of those described herein;

         (i) if other than denominations of $1,000 and any integral multiple
thereof, the denominations in which Debt Securities of the series shall be
issuable;

         (j) if the amount of principal of or any premium or interest on Debt
Securities of the series may be determined with reference to an index or
pursuant to a formula, the manner in which such amounts will be determined;

         (k) if the principal amount payable at the Stated Maturity of Debt
Securities of the series will not be determinable as of any one or more dates
prior to such Stated Maturity, the amount which will be deemed to be such
principal amount as of any such date for any purpose, including the principal
amount thereof which will be due and payable upon any maturity other than the
Stated Maturity or which will be deemed to be Outstanding as of any such date
(or, in any such case, the manner in which such deemed principal amount is to be
determined);

         (l) any changes or additions to Article XI, including the addition of
additional covenants that may be subject to the covenant defeasance option
pursuant to Section 11.02(b);

         (m) if other than the principal amount thereof, the portion of the
principal amount of Debt Securities of the series which shall be payable upon
declaration of acceleration of the maturity thereof pursuant to Section 6.01 or
provable in bankruptcy pursuant to Section 6.02;

         (n) the terms, if any, of the transfer, mortgage, pledge or assignment
as security for the Debt Securities of the series of any properties, assets,
moneys, proceeds, securities or

                                       10
<PAGE>

other collateral, including whether certain provisions of the TIA are applicable
and any corresponding changes to provisions of this Indenture as currently in
effect;

         (o) any addition to or change in the Events of Default with respect to
the Debt Securities of the series and any change in the right of the Trustee or
the Holders to declare the principal of, and premium and interest on, such Debt
Securities due and payable;

         (p) if the Debt Securities of the series shall be issued in whole or in
part in the form of a Global Security or Securities, the terms and conditions,
if any, upon which such Global Security or Securities may be exchanged in whole
or in part for other individual Debt Securities in definitive registered form;
and the Depositary for such Global Security or Securities and the form of any
legend or legends to be borne by any such Global Security or Securities in
addition to or in lieu of the legend referred to in Section 2.15(a);

         (q) any trustees, authenticating or Paying Agents, transfer agents or
registrars;

         (r) the applicability of, and any addition to or change in the
covenants and definitions currently set forth in this Indenture or in the terms
currently set forth in Article X, including conditioning any merger, conveyance,
transfer or lease permitted by Article X upon the satisfaction of any Debt
coverage standard by the Partnership and Successor Partnership (as defined in
Article X);

         (s) any changes or additions to Article XII or designation of any
Designated Senior Indebtedness;

         (t) with regard to Debt Securities of the series that do not bear
interest, the dates for certain required reports to the Trustee; and

         (u) any other terms of the Debt Securities of the series (which terms
shall not be prohibited by the provisions of this Indenture).

         All Debt Securities of any one series appertaining thereto shall be
substantially identical except as to denomination and except as may otherwise be
provided in or pursuant to such resolution of the Partnership Policy Committee
and as set forth in such Officers' Certificate or in any such Indenture
supplemental hereto.

         Section 2.04. Execution of Debt Securities. The Debt Securities shall
be signed on behalf of the Partnership by one authorized Officer of the
Partnership. Such signatures upon the Debt Securities may be the manual or
facsimile signatures of the present or any future such authorized Officer and
may be imprinted or otherwise reproduced on the Debt Securities. No seal of any
party shall be required in connection with the execution or delivery of any Debt
Securities.

         Only such Debt Securities as shall bear thereon a certificate of
authentication substantially in the form hereinbefore recited, signed manually
by the Trustee, shall be entitled to the benefits of this Indenture or be valid
or obligatory for any purpose. Such certificate by the Trustee upon any Debt
Security executed by the Partnership shall be conclusive evidence that the Debt
Security so authenticated has been duly authenticated and delivered hereunder.

                                       11
<PAGE>

         In case any Officer who shall have signed any of the Debt Securities
shall cease to hold that office before the Debt Securities so signed shall have
been authenticated and delivered by the Trustee, or disposed of by the
Partnership, such Debt Securities nevertheless may be authenticated and
delivered or disposed of as though the Person who signed such Debt Securities
had not ceased to hold such office; and any Debt Security may be signed on
behalf of the Partnership by such Persons as, at the actual date of the
execution of such Debt Security, shall be the proper Officers of the
Partnership, although at the date of such Debt Security or of the execution of
this Indenture any such Person did not hold such office.

         Section 2.05. Authentication and Delivery of Debt Securities. At any
time and from time to time after the execution and delivery of this Indenture,
the Partnership may deliver Debt Securities of any series executed by the
Partnership to the Trustee for authentication, and the Trustee shall thereupon
authenticate and deliver said Debt Securities to or upon a Partnership Order. In
authenticating such Debt Securities, and accepting the additional
responsibilities under this Indenture in relation to such Debt Securities, the
Trustee shall be entitled to receive, and (subject to Section 7.01) shall be
fully protected in relying upon:

         (a) a copy of any resolution or resolutions of the Partnership Policy
Committee, certified by the Secretary or Assistant Secretary of the Partnership
or of a General Partner, authorizing the terms of issuance of any series of Debt
Securities;

         (b) an executed supplemental Indenture, if any;

         (c) an Officers' Certificate; and

         (d) an Opinion of Counsel prepared in accordance with Section 13.05
which shall also state:

                  (i) that the form of such Debt Securities has been established
         by or pursuant to a resolution of the Partnership Policy Committee or
         by a supplemental Indenture as permitted by Section 2.01 in conformity
         with the provisions of this Indenture;

                  (ii) that the terms of such Debt Securities have been
         established by or pursuant to a resolution of the Partnership Policy
         Committee or by a supplemental Indenture as permitted by Section 2.03
         in conformity with the provisions of this Indenture;

                  (iii) that such Debt Securities, when authenticated and
         delivered by the Trustee and issued by the Partnership in the manner
         and subject to any conditions specified in such Opinion of Counsel,
         will constitute valid and legally binding obligations of the
         Partnership, enforceable in accordance with their terms except as the
         enforceability thereof may be limited by bankruptcy, insolvency or
         similar laws affecting the enforcement of creditors' rights generally
         and rights of acceleration and the availability of equitable remedies
         may be limited by equitable principles of general applicability; and

                  (iv) that authentication and delivery of such Debt Securities
         and the execution and delivery of any supplemental Indenture will not
         violate the terms of this Indenture.

                                       12
<PAGE>

         The Trustee shall have the right to decline to authenticate and deliver
any Debt Securities under this Section 2.05 if the Trustee, being advised by
counsel, determines that such action may not lawfully be taken or if the Trustee
in good faith by its board of directors or trustees, executive committee or a
trust committee of directors, trustees or vice presidents (or any combination
thereof) shall determine that such action would expose the Trustee to personal
liability to existing Holders.

         The Trustee may appoint an authenticating agent reasonably acceptable
to the Partnership to authenticate Debt Securities of any series. Unless limited
by the terms of such appointment, an authenticating agent may authenticate Debt
Securities whenever the Trustee may do so. Each reference in this Indenture to
authentication by the Trustee includes authentication by such agent. An
authenticating agent has the same rights as any Registrar, Paying Agent or agent
for service of notices and demands.

         Unless otherwise provided in the form of Debt Security for any series,
each Debt Security shall be dated the date of its authentication.

         Section 2.06. Denomination of Debt Securities. Unless otherwise
provided in the form of Debt Security for any series, the Debt Securities of
each series shall be issuable only as fully registered Debt Securities in such
Dollar denominations as shall be specified or contemplated by Section 2.03. In
the absence of any such specification with respect to the Debt Securities of any
series, the Debt Securities of such series shall be issuable in denominations of
$1,000 and any integral multiple thereof.

         Section 2.07. Registration of Transfer and Exchange.

         (a) The Partnership shall keep or cause to be kept a register for each
series of Debt Securities issued hereunder (hereinafter collectively referred to
as the "Debt Security Register"), in which, subject to such reasonable
regulations as it may prescribe, the Partnership shall provide for the
registration of all Debt Securities and the transfer of Debt Securities as in
this Article II provided. At all reasonable times the Debt Security Register
shall be open for inspection by the Trustee. Subject to Section 2.15, upon due
presentment for registration of transfer of any Debt Security at any office or
agency to be maintained by the Partnership in accordance with the provisions of
Section 4.02, the Partnership shall execute and the Trustee shall authenticate
and deliver in the name of the transferee or transferees a new Debt Security or
Debt Securities of authorized denominations for a like aggregate principal
amount. In no event may Debt Securities be issued as, or exchanged for, bearer
securities.

         Unless and until otherwise determined by the Partnership by a
Partnership Order, the register of the Partnership for the purpose of
registration, exchange or registration of transfer of the Debt Securities shall
be kept at the principal corporate trust office of the Trustee and, for this
purpose, the Trustee shall be designated "Registrar."

         Debt Securities of any series (other than a Global Security, except as
set forth below) may be exchanged for a like aggregate principal amount of Debt
Securities of the same series of other authorized denominations. Subject to
Section 2.15, Debt Securities to be exchanged shall be surrendered at the office
or agency to be maintained by the Partnership as provided in Section

                                       13
<PAGE>

4.02, and the Partnership shall execute and the Trustee shall authenticate and
deliver in exchange therefor the Debt Security or Debt Securities which the
Holder making the exchange shall be entitled to receive.

         (b) All Debt Securities presented or surrendered for registration of
transfer, exchange or payment shall (if so required by the Partnership, the
Trustee or the Registrar) be duly endorsed or be accompanied by a written
instrument or instruments of transfer, in form satisfactory to the Partnership,
the Trustee and the Registrar, duly executed by the Holder or his attorney duly
authorized in writing.

         All Debt Securities issued in exchange for or upon transfer of Debt
Securities shall be the valid obligations of the Partnership, evidencing the
same debt, and entitled to the same benefits under this Indenture as the Debt
Securities surrendered for such exchange or transfer.

         No service charge shall be made for any exchange or registration of
transfer of Debt Securities (except as provided by Section 2.09), but the
Partnership may require payment of a sum sufficient to cover any tax, fee,
assessment or other governmental charge that may be imposed in relation thereto,
other than those expressly provided in this Indenture to be made at the
Partnership's own expense or without expense or without charge to the Holders.

         The Partnership shall not be required (i) to issue, register the
transfer of or exchange any Debt Securities for a period of 15 days next
preceding any mailing of notice of redemption of Debt Securities of such series
or (ii) to register the transfer of or exchange any Debt Securities selected,
called or being called for redemption.

         Prior to the due presentation for registration of transfer of any Debt
Security, the Partnership, the Trustee, any Paying Agent or any Registrar may
deem and treat the Person in whose name a Debt Security is registered as the
absolute owner of such Debt Security for the purpose of receiving payment of or
on account of the principal of, and premium, if any, and (subject to Section
2.12) interest on, such Debt Security and for all other purposes whatsoever,
whether or not such Debt Security is overdue, and none of the Partnership, the
Trustee, any Paying Agent or any Registrar shall be affected by notice to the
contrary.

         None of the Partnership, the Trustee, any agent of the Trustee, any
Paying Agent or any Registrar will have any responsibility or liability for any
aspect of the records relating to, or payments made on account of, beneficial
ownership interests of a Global Security or for maintaining, supervising or
reviewing any records relating to such beneficial ownership interests.

         Section 2.08. Temporary Debt Securities. Pending the preparation of
definitive Debt Securities of any series, the Partnership may execute and the
Trustee shall authenticate and deliver temporary Debt Securities (printed,
lithographed, photocopied, typewritten or otherwise produced) of any authorized
denomination, and substantially in the form of the definitive Debt Securities in
lieu of which they are issued, in registered form with such omissions,
insertions and variations as may be appropriate for temporary Debt Securities,
all as may be determined by the Partnership with the concurrence of the Trustee.
Temporary Debt Securities may contain such reference to any provisions of this
Indenture as may be appropriate. Every temporary Debt Security shall be executed
by the Partnership and be authenticated by the Trustee upon the same

                                       14
<PAGE>

conditions and in substantially the same manner, and with like effect, as the
definitive Debt Securities.

         If temporary Debt Securities of any series are issued, the Partnership
will cause definitive Debt Securities of such series to be prepared without
unreasonable delay. After the preparation of definitive Debt Securities of such
series, the temporary Debt Securities of such series shall be exchangeable for
definitive Debt Securities of such series upon surrender of the temporary Debt
Securities of such series at the office or agency of the Partnership at a Place
of Payment for such series, without charge to the Holder thereof, except as
provided in Section 2.07 in connection with a transfer. Upon surrender for
cancellation of any one or more temporary Debt Securities of any series, the
Partnership shall execute and the Trustee shall authenticate and deliver in
exchange therefor a like principal amount of definitive Debt Securities of the
same series of authorized denominations and of like tenor. Until so exchanged,
temporary Debt Securities of any series shall in all respects be entitled to the
same benefits under this Indenture as definitive Debt Securities of such series.

         Upon any exchange of a portion of a temporary Global Security for a
definitive Global Security or for the individual Debt Securities represented
thereby pursuant to Section 2.07 or this Section 2.08, the temporary Global
Security shall be endorsed by the Trustee to reflect the reduction of the
principal amount evidenced thereby, whereupon the principal amount of such
temporary Global Security shall be reduced for all purposes by the amount to be
exchanged and endorsed.

         Section 2.09. Mutilated, Destroyed, Lost or Stolen Debt Securities. If
(a) any mutilated Debt Security is surrendered to the Trustee at its corporate
trust office or (b) the Partnership and the Trustee receive evidence to their
satisfaction of the destruction, loss or theft of any Debt Security, and there
is delivered to the Partnership and the Trustee such security or indemnity as
may be required by them to save each of them and any Paying Agent harmless, and
neither the Partnership nor the Trustee receives notice that such Debt Security
has been acquired by a bona fide purchaser, then the Partnership shall execute
and, upon a Partnership Order, the Trustee shall authenticate and deliver, in
exchange for or in lieu of any such mutilated, destroyed, lost or stolen Debt
Security, a new Debt Security of the same series of like tenor, form, terms and
principal amount, bearing a number not contemporaneously Outstanding. Upon the
issuance of any substituted Debt Security, the Partnership may require the
payment of a sum sufficient to cover any tax, fee, assessment or other
governmental charge that may be imposed in relation thereto and any other
expenses connected therewith. In case any Debt which has matured or is about to
mature or which has been called for redemption shall become mutilated or be
destroyed, lost or stolen, the Partnership may, instead of issuing a substituted
Debt Security, pay or authorize the payment of the same (without surrender
thereof except in the case of a mutilated Debt Security) if the applicant for
such payment shall furnish the Partnership and the Trustee with such security or
indemnity as either may require to save it harmless from all risk, however
remote, and, in case of destruction, loss or theft, evidence to the satisfaction
of the Partnership and the Trustee of the destruction, loss or theft of such
Debt Security and of the ownership thereof.

         Every substituted Debt Security of any series issued pursuant to the
provisions of this Section 2.09 by virtue of the fact that any Debt Security is
destroyed, lost or stolen shall

                                       15
<PAGE>

constitute an original additional contractual obligation of the Partnership,
whether or not the destroyed, lost or stolen Debt Security shall be found at any
time, and shall be entitled to all the benefits of this Indenture equally and
proportionately with any and all other Debt Securities of that series duly
issued hereunder. All Debt Securities shall be held and owned upon the express
condition that the foregoing provisions are exclusive with respect to the
replacement or payment of mutilated, destroyed, lost or stolen Debt Securities,
and shall preclude any and all other rights or remedies, notwithstanding any law
or statute existing or hereafter enacted to the contrary with respect to the
replacement or payment of negotiable instruments or other securities without
their surrender.

         Section 2.10. Cancellation of Surrendered Debt Securities. All Debt
Securities surrendered for payment, redemption, registration of transfer or
exchange shall, if surrendered to the Partnership or any Paying Agent or a
Registrar, be delivered to the Trustee for cancellation by it, or if surrendered
to the Trustee, shall be canceled by it, and no Debt Securities shall be issued
in lieu thereof except as expressly permitted by any of the provisions of this
Indenture. All canceled Debt Securities held by the Trustee shall be destroyed
(subject to the record retention requirements of the Exchange Act) and
certification of their destruction delivered to the Partnership, unless
otherwise directed. On request of the Partnership, the Trustee shall deliver to
the Partnership canceled Debt Securities held by the Trustee. If the Partnership
shall acquire any of the Debt Securities, however, such acquisition shall not
operate as a redemption or satisfaction of the Debt represented thereby unless
and until the same are delivered or surrendered to the Trustee for cancellation.
The Partnership may not issue new Debt Securities to replace Debt Securities it
has redeemed, paid or delivered to the Trustee for cancellation.

         Section 2.11. Provisions of the Indenture and Debt Securities for the
Sole Benefit of the Parties and the Holders. Nothing in this Indenture or in the
Debt, expressed or implied, shall give or be construed to give to any Person,
other than the parties hereto, the Holders or any Registrar or Paying Agent, any
legal or equitable right, remedy or claim under or in respect of this Indenture,
or under any covenant, condition or provision herein contained; all its
covenants, conditions and provisions being for the sole benefit of the parties
hereto, the Holders and any Registrar and Paying Agents.

         Section 2.12. Payment of Interest; Interest Rights Preserved.

         (a) Interest on any Debt Security that is payable and is punctually
paid or duly provided for on any interest payment date shall be paid to the
Person in whose name such Debt Security is registered at the close of business
on the regular record date for such interest notwithstanding the cancellation of
such Debt Security upon any transfer or exchange subsequent to the regular
record date. Payment of interest on Debt Securities shall be made at the
corporate trust office of the Trustee (except as otherwise specified pursuant to
Section 2.03), or at the option of the Partnership, by check mailed to the
address of the Person entitled thereto as such address shall appear in the Debt
Security Register or, if provided pursuant to Section 2.03 and in accordance
with arrangements satisfactory to the Trustee, at the option of the Holder by
wire transfer to an account designated by the Holder.

         (b) Subject to the foregoing provisions of this Section 2.12 and
Section 2.17, each Debt Security of a particular series delivered under this
Indenture upon registration of transfer of

                                       16
<PAGE>

or in exchange for or in lieu of any other Debt Security of the same series
shall carry the rights to interest accrued and unpaid, and to accrue, which were
carried by such other Debt Security.

         Section 2.13. Securities Denominated in Dollars. Except as otherwise
specified pursuant to Section 2.03 for Debt Securities of any series, payment of
the principal of, and premium, if any, and interest on, Debt Securities of such
series will be made in Dollars.

         Section 2.14. Wire Transfers. Notwithstanding any other provision to
the contrary in this Indenture, the Partnership may make any payment of moneys
required to be deposited with the Trustee on account of principal of, or
premium, if any, or interest on, the Debt Securities (whether pursuant to
optional or mandatory redemption payments, interest payments or otherwise) by
wire transfer in immediately available funds to an account designated by the
Trustee before 11:00 a.m., New York City time, on the date such moneys are to be
paid to the Holders of the Debt Securities in accordance with the terms hereof.

         Section 2.15. Securities Issuable in the Form of a Global Security.

         (a) If the Partnership shall establish pursuant to Sections 2.01 and
2.03 that the Debt Securities of a particular series are to be issued in whole
or in part in the form of one or more Global Securities, then the Partnership
shall execute and the Trustee or its agent shall, in accordance with Section
2.05, authenticate and deliver, such Global Security or Securities, which shall
represent, and shall be denominated in an amount equal to the aggregate
principal amount of, the Outstanding Debt Securities of such series to be
represented by such Global Security or Securities, or such portion thereof as
the Partnership shall specify in an Officers' Certificate, shall be registered
in the name of the Depositary for such Global Security or Securities or its
nominee, shall be delivered by the Trustee or its agent to the Depositary or
pursuant to the Depositary's instruction and shall bear a legend substantially
to the following effect:

         "UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE
         OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), NEW
         YORK, NEW YORK, TO THE PARTNERSHIP OR ITS AGENT FOR REGISTRATION OF
         TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED
         IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS IS REQUESTED BY AN
         AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE &
         CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
         REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
         VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE
         REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

         TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN
         WHOLE, BUT NOT IN PART, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR
         SUCH SUCCESSOR'S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL
         SECURITY SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE
         RESTRICTIONS SET FORTH IN THE INDENTURE REFERRED TO HEREIN."

or such other legend as may then be required by the Depositary for such Global
Security or Securities.

         (b) Notwithstanding any other provision of this Section 2.15 or of
Section 2.07 to the contrary, and subject to the provisions of paragraph (c)
below, unless the terms of a Global

                                       17
<PAGE>

Security expressly permit such Global Security to be exchanged in whole or in
part for definitive Debt Securities in registered form, a Global Security may be
transferred, in whole but not in part and in the manner provided in Section
2.07, only by the Depositary to a nominee of the Depositary for such Global
Security, or by a nominee of the Depositary to the Depositary or another nominee
of the Depositary, or by the Depositary or a nominee of the Depositary to a
successor Depositary for such Global Security selected or approved by the
Partnership, or to a nominee of such successor Depositary.

                  (c) (i) If at any time the Depositary for a Global Security or
         Securities notifies the Partnership that it is unwilling or unable to
         continue as Depositary for such Global Security or Securities or if at
         any time the Depositary for the Debt Securities for such series shall
         no longer be eligible or in good standing under the Exchange Act or
         other applicable statute, rule or regulation, the Partnership shall
         appoint a successor Depositary with respect to such Global Security or
         Securities. If a successor Depositary for such Global Security or
         Securities is not appointed by the Partnership within 90 days after the
         Partnership receives such notice or becomes aware of such
         ineligibility, the Partnership shall execute, and the Trustee or its
         agent, upon receipt of a Partnership Order for the authentication and
         delivery of such individual Debt Securities of such series in exchange
         for such Global Security, will authenticate and deliver, individual
         Debt Securities of such series of like tenor and terms in definitive
         form in an aggregate principal amount equal to the principal amount of
         the Global Security in exchange for such Global Security or Securities.

                  (ii) The Partnership may at any time and in its sole
         discretion determine that the Debt Securities of any series or portion
         thereof issued or issuable in the form of one or more Global Securities
         shall no longer be represented by such Global Security or Securities.
         In such event the Partnership will execute, and the Trustee, upon
         receipt of a Partnership Order for the authentication and delivery of
         individual Debt Securities of such series in exchange in whole or in
         part for such Global Security, will authenticate and deliver individual
         Debt Securities of such series of like tenor and terms in definitive
         form in an aggregate principal amount equal to the principal amount of
         such series or portion thereof in exchange for such Global Security or
         Securities.

                  (iii) If specified by the Partnership pursuant to Sections
         2.01 and 2.03 with respect to Debt Securities issued or issuable in the
         form of a Global Security, the Depositary for such Global Security may
         surrender such Global Security in exchange in whole or in part for
         individual Debt Securities of such series of like tenor and terms in
         definitive form on such terms as are acceptable to the Partnership, the
         Trustee and such Depositary. Thereupon the Partnership shall execute,
         and the Trustee or its agent upon receipt of a Partnership Order for
         the authentication and delivery of definitive Debt Securities of such
         series shall authenticate and deliver, without service charge, to each
         Person specified by such Depositary a new Debt Security or Securities
         of the same series of like tenor and terms and of any authorized
         denomination as requested by such Person in aggregate principal amount
         equal to and in exchange for such Person's beneficial interest in the
         Global Security; and to such Depositary a new Global Security of like
         tenor and terms and in an authorized denomination equal to the
         difference, if any,

                                       18
<PAGE>

         between the principal amount of the surrendered Global Security and the
         aggregate principal amount of Debt Securities delivered to Holders
         thereof.

                  (iv) In any exchange provided for in any of the preceding
         three paragraphs, the Partnership will execute and the Trustee or its
         agent will authenticate and deliver individual Debt Securities. Upon
         the exchange of the entire principal amount of a Global Security for
         individual Debt Securities, such Global Security shall be canceled by
         the Trustee or its agent. Except as provided in the preceding
         paragraph, Debt Securities issued in exchange for a Global Security
         pursuant to this Section 2.15 shall be registered in such names and in
         such authorized denominations as the Depositary for such Global
         Security, pursuant to instructions from its direct or indirect
         participants or otherwise, shall instruct the Trustee or the Registrar.
         The Trustee or the Registrar shall deliver such Debt Securities to the
         Persons in whose names such Debt Securities are so registered.

                  (v) Payments in respect of the principal of and interest on
         any Debt Securities registered in the name of the Depositary or its
         nominee will be payable to the Depositary or such nominee in its
         capacity as the registered owner of such Global Security. The
         Partnership and the Trustee may treat the Person in whose name the Debt
         Securities, including the Global Security, are registered as the owner
         thereof for the purpose of receiving such payments and for any and all
         other purposes whatsoever. None of the Partnership, the Trustee, any
         Registrar, the Paying Agent or any agent of the Partnership or the
         Trustee will have any responsibility or liability for any aspect of the
         records relating to or payments made on account of the beneficial
         ownership interests of the Global Security by the Depositary or its
         nominee or any of the Depositary's direct or indirect participants, or
         for maintaining, supervising or reviewing any records of the
         Depositary, its nominee or any of its direct or indirect participants
         relating to the beneficial ownership interests of the Global Security,
         the payments to the beneficial owners of the Global Security of amounts
         paid to the Depositary or its nominee, or any other matter relating to
         the actions and practices of the Depositary, its nominee or any of its
         direct or indirect participants. None of the Partnership, the Trustee
         or any such agent will be liable for any delay by the Depositary, its
         nominee, or any of its direct or indirect participants in identifying
         the beneficial owners of the Debt Securities, and the Partnership and
         the Trustee may conclusively rely on, and will be protected in relying
         on, instructions from the Depositary or its nominee for all purposes
         (including with respect to the registration and delivery, and the
         respective principal amounts, of the Debt Securities to be issued).

         Section 2.16. Medium Term Securities. Notwithstanding any contrary
provision herein, if all Debt Securities of a series are not to be originally
issued at one time, it shall not be necessary for the Partnership to deliver to
the Trustee an Officers' Certificate, resolutions of the Partnership Policy
Committee, a supplemental Indenture, an Opinion of Counsel or a written order or
any other document otherwise required pursuant to Section 2.01, 2.03, 2.05 or
13.05 at or prior to the time of authentication of each Debt Security of such
series if such documents are delivered to the Trustee or its agent at or prior
to the authentication upon original issuance of the first such Debt Security of
such series to be issued; provided, that any subsequent request by the
Partnership to the Trustee to authenticate Debt Securities of such series upon
original issuance shall constitute a representation and warranty by the
Partnership that, as of the date of such

                                       19
<PAGE>

request, the statements made in the Officers' Certificate delivered pursuant to
Section 2.05 or 13.05 shall be true and correct as if made on such date and that
the Opinion of Counsel delivered at or prior to such time of authentication of
an original issuance of Debt Securities shall specifically state that it shall
relate to all subsequent issuances of Debt Securities of such series that are
identical to the Debt Securities issued in the first issuance of Debt Securities
of such series.

         A Partnership Order delivered by the Partnership to the Trustee in the
circumstances set forth in the preceding paragraph, may provide that Debt
Securities which are the subject thereof will be authenticated and delivered by
the Trustee or its agent on original issue from time to time upon the telephonic
or written order of Persons designated in such written order (any such
telephonic instructions to be promptly confirmed in writing by such Person) and
that such Persons are authorized to determine, consistent with the Officers'
Certificate, supplemental Indenture or resolution of the Partnership Policy
Committee relating to such written order, such terms and conditions of such Debt
Securities as are specified in such Officers' Certificate, supplemental
Indenture or such resolution.

         Section 2.17. Defaulted Interest. Any interest on any Debt Security of
a particular series which is payable, but is not punctually paid or duly
provided for, on the dates and in the manner provided in the Debt Securities of
such series and in this Indenture (herein called "Defaulted Interest") shall
forthwith cease to be payable to the Holder thereof on the relevant record date
by virtue of having been such Holder, and such Defaulted Interest may be paid by
the Partnership, at its election in each case, as provided in clause (a) or (b)
below:

         (a) The Partnership may elect to make payment of any Defaulted Interest
to the Persons in whose names the Debt Securities of such series are registered
at the close of business on a special record date for the payment of such
Defaulted Interest, which shall be fixed in the following manner. The
Partnership shall notify the Trustee in writing of the amount of Defaulted
Interest proposed to be paid on each such Debt Security of such series and the
date of the proposed payment, and at the same time the Partnership shall deposit
with the Trustee an amount of money equal to the aggregate amount proposed to be
paid in respect of such Defaulted Interest or shall make arrangements
satisfactory to the Trustee for such deposit prior to the date of the proposed
payment, such money when deposited to be held in trust for the benefit of the
Persons entitled to such Defaulted Interest as in this clause provided.
Thereupon the Trustee shall fix a special record date for the payment of such
Defaulted Interest which shall be not more than 15 days and not less than 10
days prior to the date of the proposed payment and not less than 10 days after
the receipt by the Trustee of the notice of the proposed payment. The Trustee
shall promptly notify the Partnership of such special record date and, in the
name and at the expense of the Partnership, shall cause notice of the proposed
payment of such Defaulted Interest and the special record date therefor to be
mailed, first class postage pre-paid, to each Holder thereof at its address as
it appears in the Debt Security Register, not less than 10 days prior to such
special record date. Notice of the proposed payment of such Defaulted Interest
and the special record date therefor having been so mailed, such Defaulted
Interest shall be paid to the Persons in whose names the Debt Securities of such
series are registered at the close of business on such special record date.

                                       20
<PAGE>

         (b) The Partnership may make payment of any Defaulted Interest on the
Debt Securities of such series in any other lawful manner not inconsistent with
the requirements of any securities exchange on which the Debt Securities of such
series may be listed, and upon such notice as may be required by such exchange,
if, after notice given by the Partnership to the Trustee of the proposed payment
pursuant to this clause, such manner of payment shall be deemed practicable by
the Trustee.

         Section 2.18. CUSIP Numbers. The Partnership in issuing the Debt
Securities may use "CUSIP" numbers (if then generally in use), and, if so, the
Trustee shall use "CUSIP" numbers in notices of redemption as a convenience to
Holders; provided that any such notice may state that no representation is made
as to the accuracy of such numbers either as printed on the Debt Securities or
as contained in any notice of a redemption and that reliance may be placed only
on the other identification numbers printed on the Debt Securities, and any such
redemption shall not be affected by any defect in or omission of such numbers.
The Partnership will promptly notify the Trustee in writing of any change in the
"CUSIP" numbers.

                                  ARTICLE III
                          REDEMPTION OF DEBT SECURITIES

         Section 3.01. Applicability of Article. The provisions of this Article
shall be applicable to the Debt Securities of any series which are redeemable
before their Stated Maturity except as otherwise specified as contemplated by
Section 2.03 for Debt Securities of such series.

         Section 3.02. Notice of Redemption; Selection of Debt Securities. In
case the Partnership shall desire to exercise the right to redeem all or, as the
case may be, any part of the Debt Securities of any series in accordance with
their terms, pursuant to a resolution of the Partnership Policy Committee or a
supplemental Indenture, the Partnership shall fix a date for redemption and
shall give notice of such redemption at least 30 and not more than 60 days prior
to the date fixed for redemption to the Holders of Debt Securities of such
series so to be redeemed as a whole or in part, in the manner provided in
Section 13.03. The notice if given in the manner herein provided shall be
conclusively presumed to have been duly given, whether or not the Holder
receives such notice. In any case, failure to give such notice or any defect in
the notice to the Holder of any Debt Security of a series designated for
redemption as a whole or in part shall not affect the validity of the
proceedings for the redemption of any other Debt Security of such series.

         Each such notice of redemption shall specify the date fixed for
redemption, the redemption price at which Debt Securities of such series are to
be redeemed (or the method of calculating such redemption price), the Place or
Places of Payment that payment will be made upon presentation and surrender of
such Debt Securities, that any interest accrued to the date fixed for redemption
will be paid as specified in said notice, that the redemption is for a sinking
fund payment (if applicable), that, unless otherwise specified in such notice,
that, if the Partnership defaults in making such redemption payment, the Paying
Agent is prohibited from making such payment pursuant to the terms of this
Indenture, that on and after said date any interest thereon or on the portions
thereof to be redeemed will cease to accrue, that in the case of Original Issue
Discount Securities original issue discount accrued after the date fixed for
redemption will cease to accrue, the terms of the Debt Securities of that series
pursuant to which

                                       21
<PAGE>

the Debt Securities of that series are being redeemed and that no representation
is made as to the correctness or accuracy of the CUSIP number, if any, listed in
such notice or printed on the Debt Securities of that series. If less than all
the Debt Securities of a series are to be redeemed the notice of redemption
shall specify the certificate numbers of the Debt Securities of that series to
be redeemed. In case any Debt Security of a series is to be redeemed in part
only, the notice of redemption shall state the portion of the principal amount
thereof to be redeemed and shall state that on and after the date fixed for
redemption, upon surrender of such Debt Security, a new Debt Security or Debt
Securities of that series in principal amount equal to the unredeemed portion
thereof, will be issued.

         At least 45 days but not more than 60 days before the Redemption Date
(unless the Trustee consents to a shorter period), the Partnership shall give
written notice to the Trustee of the Redemption Date, the principal amount of
Debt Securities to be redeemed and the series and terms of the Debt Securities
pursuant to which such redemption will occur. Such notice shall be accompanied
by an Officers' Certificate and an Opinion of Counsel from the Partnership to
the effect that such redemption will comply with the conditions herein. If fewer
than all the Debt Securities of a series are to be redeemed, the record date
relating to such redemption shall be selected by the Partnership and given in
writing to the Trustee, which record date shall be not less than 15 days after
the date of notice to the Trustee.

         By 11:00 a.m., New York City time, on the Redemption Date for any Debt
Securities, the Partnership shall deposit with the Trustee or with a Paying
Agent (or, if the Partnership is acting as its own Paying Agent, segregate and
hold in trust) an amount of money in Dollars (except as provided pursuant to
Section 2.03) sufficient to pay the redemption price of such Debt Securities or
any portions thereof that are to be redeemed on that date, together with any
interest accrued to the Redemption Date.

         If less than all the Debt Securities of like tenor and terms of a
series are to be redeemed, the Trustee shall select, on a pro rata basis, by lot
or by such other method as in its sole discretion it shall deem appropriate and
fair, the Debt Securities of that series or portions thereof (in multiples of
$1,000) to be redeemed. In any case where more than one Debt Security of such
series is registered in the same name, the Trustee in its discretion may treat
the aggregate principal amount so registered as if it were represented by one
Debt Security of such series. The Trustee shall promptly notify the Partnership
in writing of the Debt Securities selected for redemption and, in the case of
any Debt Securities selected for partial redemption, the principal amount
thereof to be redeemed. If any Debt Security called for redemption shall not be
so paid upon surrender thereof on such Redemption Date, the principal, premium,
if any, and interest shall bear interest until paid from the Redemption Date at
the rate borne by the Debt Securities of that series. If less than all the Debt
Securities of unlike tenor and terms of a series are to be redeemed, the
particular Debt Securities to be redeemed shall be selected by the Partnership.
Provisions of this Indenture that apply to Debt Securities called for redemption
also apply to portions of Debt Securities called for redemption.

         Section 3.03. Payment of Debt Securities Called for Redemption. If
notice of redemption has been given as provided in Section 3.02, the Debt
Securities or portions of Debt Securities of the series with respect to which
such notice has been given shall become due and payable on the date and at the
Place or Places of Payment stated in such notice at the applicable

                                       22
<PAGE>

redemption price, together with any interest accrued to the date fixed for
redemption, and on and after said date (unless the Partnership shall default in
the payment of such Debt Securities at the applicable redemption price, together
with any interest accrued to said date) any interest on the Debt Securities or
portions of Debt Securities of any series so called for redemption shall cease
to accrue, any original issue discount in the case of Original Issue Discount
Securities shall cease to accrue. On presentation and surrender of such Debt
Securities at the Place or Places of Payment in said notice specified, the said
Debt Securities or the specified portions thereof shall be paid and redeemed by
the Partnership at the applicable redemption price, together with any interest
accrued thereon to the date fixed for redemption.

         Any Debt Security that is to be redeemed only in part shall be
surrendered at the corporate trust office or such other office or agency of the
Partnership as is specified pursuant to Section 2.03 with, if the Partnership,
the Registrar or the Trustee so requires, due endorsement by, or a written
instrument of transfer in form satisfactory to the Partnership, the Registrar
and the Trustee duly executed by, the Holder thereof or his attorney duly
authorized in writing, and the Partnership shall execute, and the Trustee shall
authenticate and deliver to the Holder of such Debt Security without service
charge, a new Debt Security or Debt Securities of the same series, of like tenor
and form, of any authorized denomination as requested by such Holder in
aggregate principal amount equal to and in exchange for the unredeemed portion
of the principal of the Debt Security so surrendered; except that if a Global
Security is so surrendered, the Partnership shall execute, and the Trustee shall
authenticate and deliver to the Depositary for such Global Security, without
service charge, a new Global Security in a denomination equal to and in exchange
for the unredeemed portion of the principal of the Global Security so
surrendered. In the case of a Debt Security providing appropriate space for such
notation, at the option of the Holder thereof, the Trustee, in lieu of
delivering a new Debt Security or Debt Securities as aforesaid, may make a
notation on such Debt Security of the payment of the redeemed portion thereof.

         Section 3.04. Mandatory and Optional Sinking Funds. The minimum amount
of any sinking fund payment provided for by the terms of Debt Securities of any
series, a resolution of the Partnership Policy Committee or a supplemental
Indenture is herein referred to as a "mandatory sinking fund payment," and any
payment in excess of such minimum amount provided for by the terms of Debt
Securities of any series, a resolution of the Partnership Policy Committee or a
supplemental Indenture is herein referred to as an "optional sinking fund
payment."

         In lieu of making all or any part of any mandatory sinking fund payment
with respect to any Debt Securities of a series in cash, the Partnership may at
its option (a) deliver to the Trustee Debt Securities of that series theretofore
purchased or otherwise acquired by the Partnership or (b) receive credit for the
principal amount of Debt Securities of that series which have been redeemed
either at the election of the Partnership pursuant to the terms of such Debt
Securities or through the application of permitted optional sinking fund
payments pursuant to the terms of such Debt Securities, resolution or
supplemental Indenture; provided, that such Debt Securities have not been
previously so credited. Such Debt Securities shall be received and credited for
such purpose by the Trustee at the redemption price specified in such Debt
Securities, resolution or supplemental Indenture for redemption through
operation of the sinking fund and the amount of such mandatory sinking fund
payment shall be reduced accordingly.

                                       23
<PAGE>

         Section 3.05. Redemption of Debt Securities for Sinking Fund. Not less
than 60 days prior to each sinking fund payment date for any series of Debt
Securities, the Partnership will deliver to the Trustee an Officers' Certificate
specifying the amount of the next ensuing sinking fund payment for that series
pursuant to the terms of that series, any resolution or supplemental Indenture,
the portion thereof, if any, which is to be satisfied by payment of cash and the
portion thereof, if any, which is to be satisfied by delivering and crediting
Debt Securities of that series pursuant to this Section 3.05 (which Debt
Securities, if not previously redeemed, will accompany such certificate) and
whether the Partnership intends to exercise its right to make any permitted
optional sinking fund payment with respect to such series. Such certificate
shall also state that no Event of Default has occurred and is continuing with
respect to such series. Such certificate shall be irrevocable and upon its
delivery the Partnership shall be obligated to make the cash payment or payments
therein referred to, if any, by 11 a.m., New York City time, on the next
succeeding sinking fund payment date. Failure of the Partnership to deliver such
certificate (or to deliver the Debt Securities specified in this paragraph)
shall not constitute a Default, but such failure shall require that the sinking
fund payment due on the next succeeding sinking fund payment date for that
series shall be paid entirely in cash and shall be sufficient to redeem the
principal amount of such Debt Securities subject to a mandatory sinking fund
payment without the option to deliver or credit Debt Securities as provided in
this Section 3.05 and without the right to make any optional sinking fund
payment, if any, with respect to such series.

         Any sinking fund payment or payments (mandatory or optional) made in
cash plus any unused balance of any preceding sinking fund payments made in cash
which shall equal or exceed $100,000 (or a lesser sum if the Partnership shall
so request) with respect to the Debt Securities of any particular series shall
be applied by the Trustee on the sinking fund payment date on which such payment
is made (or, if such payment is made before a sinking fund payment date, on the
sinking fund payment date following the date of such payment) to the redemption
of such Debt Securities at the redemption price specified in such Debt
Securities, resolution or supplemental Indenture for operation of the sinking
fund together with any accrued interest to the date fixed for redemption. Any
sinking fund moneys not so applied or allocated by the Trustee to the redemption
of Debt Securities shall be added to the next cash sinking fund payment received
by the Trustee for such series and, together with such payment, shall be applied
in accordance with the provisions of this Section 3.05. Any and all sinking fund
moneys with respect to the Debt Securities of any particular series held by the
Trustee on the last sinking fund payment date with respect to Debt Securities of
such series and not held for the payment or redemption of particular Debt
Securities shall be applied by the Trustee, together with other moneys, if
necessary, to be deposited sufficient for the purpose, to the payment of the
principal of the Debt Securities of that series at its Stated Maturity.

         The Trustee shall select the Debt Securities to be redeemed upon such
sinking fund payment date in the manner specified in the last paragraph of
Section 3.02 and the Partnership shall cause notice of the redemption thereof to
be given in the manner provided in Section 3.02 except that the notice of
redemption shall also state that the Debt Securities are being redeemed by
operation of the sinking fund. Such notice having been duly given, the
redemption of such Debt Securities shall be made upon the terms and in the
manner stated in Section 3.03.

         The Trustee shall not redeem any Debt Securities of a series with
sinking fund moneys or mail any notice of redemption of such Debt Securities by
operation of the sinking fund for such

                                       24
<PAGE>

series during the continuance of a Default in payment of interest on such Debt
Securities or of any Event of Default (other than an Event of Default occurring
as a consequence of this paragraph) with respect to such Debt Securities, except
that if the notice of redemption of any such Debt Securities shall theretofore
have been mailed in accordance with the provisions hereof, the Trustee shall
redeem such Debt Securities if cash sufficient for that purpose shall be
deposited with the Trustee for that purpose in accordance with the terms of this
Article III. Except as aforesaid, any moneys in the sinking fund for such series
at the time when any such Default or Event of Default shall occur and any moneys
thereafter paid into such sinking fund shall, during the continuance of such
Default or Event of Default, be held as security for the payment of such Debt
Securities; provided, however, that in case such Default or Event of Default
shall have been cured or waived as provided herein, such moneys shall thereafter
be applied on the next sinking fund payment date for such Debt Securities on
which such moneys may be applied pursuant to the provisions of this Section
3.05.

                                   ARTICLE IV
                     PARTICULAR COVENANTS OF THE PARTNERSHIP

         Section 4.01. Payment of Principal of, and Premium, If Any, and
Interest on, Debt Securities. The Partnership, for the benefit of each series of
Debt Securities, will duly and punctually pay or cause to be paid the principal
of, and premium, if any, and interest on, each of the Debt Securities at the
place, at the respective times and in the manner provided herein or in the Debt
Securities. Each installment of interest on the Debt Securities may at the
Partnership's option be paid by mailing checks for such interest payable to the
Person entitled thereto pursuant to Section 2.07(a) to the address of such
Person as it appears on the Debt Security Register.

         Principal, premium and interest of Debt Securities of any series shall
be considered paid on the date due if, by 11:00 a.m., New York City time, on
such date the Trustee or any Paying Agent holds in accordance with this
Indenture money sufficient to pay all principal, premium and interest then due
and the Trustee or such Paying Agent, as the case may be, is not prohibited from
paying such money to the Holders on that date pursuant to the terms of this
Indenture.

         The Partnership shall pay interest on overdue principal or premium, if
any, at the rate specified therefor in the Debt Securities and it shall pay
interest on overdue installments of interest at the same rate to the extent
lawful.

         Section 4.02. Maintenance of Offices or Agencies for Registration of
Transfer, Exchange and Payment of Debt Securities. For the benefit of each
series of Debt Securities, the Partnership will maintain in the Borough of
Manhattan, the City of New York and in each other Place of Payment for such
series of Debt Securities, an office or agency where Debt Securities of such
series may be presented or surrendered for payment, and it shall also maintain
(in or outside such Place of Payment) an office or agency where Debt Securities
of such series may be surrendered for transfer or exchange and where notices and
demands to or upon the Partnership in respect of the Debt Securities of such
series and this Indenture may be served. The Partnership will give prompt
written notice to the Trustee of the location, and any change in the location,
of such office or agency. If at any time the Partnership shall fail to maintain
any such required office or agency or shall fail to furnish the Trustee with the
address thereof, such presentations, surrenders, notices and demands may be made
or served at the office of the

                                       25
<PAGE>

Trustee where its corporate trust business is principally administered in the
United States of America, and the Partnership hereby appoints the Trustee as its
agent to receive all presentations, surrenders, notices and demands.

         The Partnership may also from time to time designate different or
additional offices or agencies to be maintained for such purposes (in or outside
of such Place of Payment), and may from time to time rescind any such
designation; provided, however, that no such designation or rescission shall in
any manner relieve the Partnership of its obligations described in the preceding
paragraph, including without limitation its obligation to maintain an office or
agency in the Borough of Manhattan, the City of New York where Debt Securities
of each series may be presented or surrendered for payment. The Partnership
hereby designates the office of the Trustee at [__________________________], New
York, New York [_____], as its initial office or agency for such purpose. The
Partnership will give prompt written notice to the Trustee of any such
additional designation or rescission of designation and any change in the
location of any such different or additional office or agency.

         Section 4.03. Appointment to Fill a Vacancy in the Office of Trustee.
The Partnership, whenever necessary to avoid or fill a vacancy in the office of
Trustee, will appoint, in the manner provided in Section 7.08, a Trustee, so
that there shall at all times be a Trustee hereunder with respect to each series
of Debt Securities.

         Section 4.04. Duties of Paying Agents, etc.

         (a) The Partnership shall cause each Paying Agent, if any, other than
the Trustee, to execute and deliver to the Trustee an instrument in which such
Paying Agent shall agree with the Trustee, subject to the provisions of this
Section 4.04, that:

                  (i) it will hold all sums held by it as such agent for the
         payment of the principal of, and premium, if any, or interest on, the
         Debt Securities of any series (whether such sums have been paid to it
         by the Partnership or by any other obligor on the Debt Securities of
         such series) in trust for the benefit of the Holders of the Debt
         Securities of such series;

                  (ii) it will give the Trustee notice of any failure by the
         Partnership (or by any other obligor on the Debt Securities of such
         series) to make any payment of the principal of, and premium, if any,
         or interest on, the Debt Securities of such series when the same shall
         be due and payable; and

                  (iii) it will at any time during the continuance of an Event
         of Default, upon the written request of the Trustee, forthwith pay to
         the Trustee all sums so held by it as such agent.

         (b) If the Partnership shall act as its own Paying Agent, it will, on
or before each due date of the principal of, and premium, if any, or interest
on, the Debt Securities of any series, set aside, segregate and hold in trust
for the benefit of the Holders of the Debt Securities of such series a sum
sufficient to pay such principal, premium, if any, or interest so becoming due.
The Partnership will promptly notify the Trustee of any failure by the
Partnership to take such action or the failure by any other obligor on such Debt
Securities to make any payment of the principal

                                       26
<PAGE>

of, and premium, if any, or interest on, such Debt Securities when the same
shall be due and payable.

         (c) Anything in this Section 4.04 to the contrary notwithstanding, the
Partnership may, at any time, for the purpose of obtaining a satisfaction and
discharge of this Indenture, or for any other reason, pay or cause to be paid to
the Trustee all sums held in trust by it or any Paying Agent, as required by
this Section 4.04, such sums to be held by the Trustee upon the same trusts as
those upon which such sums were held by the Partnership or such Paying Agent.

         (d) Whenever the Partnership shall have one or more Paying Agents with
respect to any series of Debt Securities, it will, prior to each due date of the
principal of, and premium, if any, or interest on, any Debt Securities of such
series, deposit with any such Paying Agent a sum sufficient to pay the
principal, premium or interest so becoming due, such sum to be held in trust for
the benefit of the Persons entitled thereto, and (unless any such Paying Agent
is the Trustee) the Partnership will promptly notify the Trustee of its action
or failure so to act.

         Anything in this Section 4.04 to the contrary notwithstanding, the
agreement to hold sums in trust as provided in this Section 4.04 is subject to
the provisions of Section 11.05.

         Section 4.05. SEC Reports; Financial Statements. The Partnership shall,
so long as any of the Debt Securities are Outstanding:

                  (i) file with the Trustee, within 15 days after it files the
         same with the SEC, copies of the annual reports and of the information,
         documents and other reports which the Partnership may be required to
         file with the SEC pursuant to the Exchange Act; or if the Partnership
         is not required to file information with the SEC pursuant to the
         Exchange Act, file with the Trustee and the SEC in accordance with
         rules and regulations prescribed from time to time by the SEC any
         supplementary and periodic information, documents and reports which may
         be required pursuant to the Exchange Act, in respect of a security
         listed and registered on a national securities exchange as may be
         prescribed in such rules and regulations; and

                  (ii) transmit within 30 days after the filing thereof with the
         Trustee, in the manner and to the extent provided in Section 313(c) of
         the Trust Indenture Act, such summaries of any information, documents
         and reports required to be filed by the Partnership pursuant to
         paragraph (i) of this Section as may be required by rules and
         regulations prescribed from time to time by the SEC.

         (b) The Partnership shall also comply with the provisions of TIA
Section 314(a).

         (c) The Partnership shall provide the Trustee with a sufficient number
of copies of all reports and other documents and information that the Trustee
may be required to deliver to Holders under this Section. Delivery of such
reports, information and documents to the Trustee is for informational purposes
only and the Trustee's receipt of such shall not constitute constructive notice
of any information contained therein or determinable from information contained
therein, including the Partnership's compliance with any of its covenants
hereunder (as to which the Trustee is entitled to rely exclusively on Officers'
Certificates).

                                       27
<PAGE>

         Section 4.06. Compliance Certificate.

         (a) The Partnership shall, so long as any of the Debt Securities are
outstanding, deliver to the Trustee, within 150 days after the end of each
fiscal year of the Partnership, an Officers' Certificate stating that a review
of the activities of the Partnership and its Subsidiaries during the preceding
fiscal year has been made under the supervision of the signing Officers of the
Partnership with a view to determining whether the Partnership has kept,
observed, performed and fulfilled its obligations under this Indenture, and
further stating, as to each such Officer signing such certificate, that to the
best of his knowledge the Partnership has kept, observed, performed and
fulfilled each and every covenant contained in this Indenture and is not in
default in the performance or observance of any of the terms, provisions and
conditions hereof, without regard to any grace period or requirement of notice
required by this Indenture (or, if a Default or Event of Default shall have
occurred, describing all such Defaults or Events of Default of which such
Officer may have knowledge and what action the Partnership is taking or proposes
to take with respect thereto).

         (b) The Partnership shall, so long as any of the Debt Securities are
outstanding, deliver to the Trustee within 30 days after the occurrence of any
Default or Event of Default under this Indenture, an Officers' Certificate
specifying such Default or Event of Default, the status thereof and what action
the Partnership is taking or proposes to take with respect thereto.

         Section 4.07. Further Instruments and Acts. The Partnership will, upon
request of the Trustee, execute and deliver such further instruments and do such
further acts as may reasonably be necessary or proper to carry out more
effectually the purposes of this Indenture.

         Section 4.08. Existence. Subject to Article X, the Partnership will do
or cause to be done all things necessary to preserve and keep in full force and
effect its existence, rights (charter and statutory) and franchises; provided,
however, that the Partnership shall not be required to preserve any such right
or franchise if it shall determine that the preservation thereof is no longer
desirable in the conduct of the business of the Partnership.

         Section 4.09. Waiver of Usury, Stay or Extension Laws. The Partnership
covenants (to the extent that it may lawfully do so) that it will not at any
time insist upon, or plead, or in any manner whatsoever claim or take the
benefit or advantage of, any usury, stay or extension law wherever enacted, now
or at any time hereafter in force, which may affect the covenants or the
performance of this Indenture; and the Partnership (to the extent that it may
lawfully do so) hereby expressly waives all benefit or advantage of any such law
and covenants that it will not hinder, delay or impede the execution of any
power herein granted to the Trustee, but will suffer and permit the execution of
every such power as though no such law had been enacted.

         Section 4.10. Waiver of Certain Covenants. The Partnership may, with
respect to the Debt Securities of any series, omit in any particular instance to
comply with any covenant set forth in this Article IV (except Sections 4.01
through 4.08) or made applicable to such Debt Securities pursuant to Section
2.03, if, before or after the time for such compliance, the Holders of at least
a majority in principal amount of the Outstanding Debt Securities of each series
affected, waive such compliance in such instance with such covenant, but no such
waiver shall extend to or affect such covenant except to the extent so expressly
waived, and, until such waiver

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<PAGE>

shall become effective, the obligations of the Partnership and the duties of the
Trustee in respect of any such covenant shall remain in full force and effect.

                                   ARTICLE V
                    HOLDERS' LISTS AND REPORTS BY THE TRUSTEE

         Section 5.01. Partnership to Furnish Trustee Information as to Names
and Addresses of Holders; Preservation of Information. The Partnership covenants
and agrees that it will furnish or cause to be furnished to the Trustee with
respect to the Debt Securities of each series:

         (a) not more than 10 days after each record date with respect to the
payment of interest, if any, a list, in such form as the Trustee may reasonably
require, of the names and addresses of the Holders as of such record date, and

         (b) at such other times as the Trustee may request in writing, within
30 days after the receipt by the Partnership of any such request, a list of
similar form and contents as of a date not more than 15 days prior to the time
such list is furnished;

provided, however, that so long as the Trustee shall be the Registrar, such
lists shall not be required to be furnished.

         The Trustee shall preserve, in as current a form as is reasonably
practicable, all information as to the names and addresses of the Holders (i)
contained in the most recent list furnished to it as provided in this Section
5.01 or (ii) received by it in the capacity of Paying Agent or Registrar (if so
acting) hereunder.

         The Trustee may destroy any list furnished to it as provided in this
Section 5.01 upon receipt of a new list so furnished.

         Section 5.02. Communications to Holders. Holders may communicate
pursuant to Section 312(b) of the TIA with other Holders with respect to their
rights under this Indenture or the Debt Securities. The Partnership, the
Trustee, the Registrar and anyone else shall have the protection of Section
312(c) of the TIA.

         Section 5.03. Reports by Trustee. Within 60 days after each May 15
(beginning with the first May 15 following the first issuance of the first
series of Debt Securities hereunder) the Trustee shall mail to Holders a brief
report dated as of such May 15 that complies with TIA Section 313(a); provided,
however, that if no event described in TIA Section 313(a) has occurred within
the twelve months preceding the reporting date, no report need be transmitted.
The Trustee also shall comply with TIA Section 313(b). Reports pursuant to this
Section 5.03 shall be transmitted by mail (a) to all Holders, as the names and
addresses of such Holders appear in the Debt Security Register, and (b) except
in the cases of reports under Section 313(b)(2) of the TIA, to each Holder of a
Debt Security of any series whose name and address appear in the information
preserved at the time by the Trustee in accordance with Section 5.01.

         A copy of each report at the time of its mailing to Holders shall be
filed by the Trustee with the Partnership, the SEC and each stock exchange (if
any) on which the Debt Securities of

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<PAGE>

any series are listed. The Partnership agrees to notify promptly the Trustee
whenever the Debt Securities of any series become listed on any stock exchange
and of any delisting thereof.

         Section 5.04. Record Dates for Action by Holders. If the Partnership
shall solicit from the Holders of Debt Securities of any series any action
(including the making of any demand or request, the giving of any direction,
notice, consent or waiver or the taking of any other action), the Partnership
may, at its option, fix in advance a record date for the determination of
Holders of Debt Securities entitled to take such action, but the Partnership
shall have no obligation to do so. Any such record date shall be fixed at the
Partnership's discretion. If such a record date is fixed, such action may be
sought or given before or after the record date, but only the Holders of Debt
Securities of record at the close of business on such record date shall be
deemed to be Holders of Debt Securities for the purpose of determining whether
Holders of the requisite proportion of Debt Securities of such series
Outstanding have authorized or agreed or consented to such action, and for that
purpose the Debt Securities of such series Outstanding shall be computed as of
such record date.

                                   ARTICLE VI
             REMEDIES OF THE TRUSTEE AND HOLDERS IN EVENT OF DEFAULT

         Section 6.01. Events of Default. If any one or more of the following
shall have occurred and be continuing with respect to Debt Securities of any
series (each of the following, an "Event of Default"):

         (a) default in the payment of any installment of interest upon any Debt
Securities of that series as and when the same shall become due and payable,
whether or not such payment shall be prohibited by Article XII, and continuance
of such default for a period of 30 days; or

         (b) default in the payment of the principal of or premium, if any, on
any Debt Securities of that series as and when the same shall become due and
payable, whether at Stated Maturity, upon redemption, by declaration, upon
required repurchase or otherwise, whether or not such payment shall be
prohibited by Article XII; or

         (c) default in the payment of any sinking fund payment with respect to
any Debt Securities of that series as and when the same shall become due and
payable; or

         (d) failure on the part of the Partnership duly to observe or perform
any other of the covenants or agreements on the part of the Partnership in the
Debt Securities of that series, in any resolution of the Partnership Policy
Committee authorizing the issuance of that series of Debt Securities, in this
Indenture with respect to such series or in any supplemental Indenture with
respect to such series (other than a covenant a default in the performance of
which is elsewhere in this Section specifically dealt with), continuing for a
period of 90 days after the date on which written notice specifying such failure
and requiring the Partnership, to remedy the same shall have been given, by
registered or certified mail, to the Partnership, by the Trustee or to the
Partnership and the Trustee by the Holders of at least 25% in aggregate
principal amount of the Debt Securities of that series at the time Outstanding;
or

         (e) the Partnership, pursuant to or within the meaning of any
Bankruptcy Law,

                                       30
<PAGE>

                  (i) commences a voluntary case,

                  (ii) consents to the entry of an order for relief against it
         in an involuntary case,

                  (iii) consents to the appointment of a Custodian of it or for
         all or substantially all of its property; or

                  (iv) makes a general assignment for the benefit of its
         creditors;

         (f) a court of competent jurisdiction enters an order or decree under
any Bankruptcy Law that:

                  (i) is for relief against the Partnership as debtor in an
         involuntary case,

                  (ii) appoints a Custodian of the Partnership or a Custodian
         for all or substantially all of the property of the Partnership, or

                  (iii) orders the liquidation of the Partnership,

and the order or decree remains unstayed and in effect for 90 days;

         (g) any default by the Partnership or any of its Subsidiaries in the
payment, at the final maturity date and after the expiration of any applicable
grace period, of principal of, premium, if any, or interest on indebtedness for
money borrowed in the principal amount then outstanding of $25,000,000 or more,
or acceleration of any indebtedness for borrowed money of such amount, such that
the indebtedness becomes due and payable prior to its maturity date and such
acceleration is not rescinded within 60 days after notice to the Partnership in
accordance with this Indenture; or

         (h) any other Event of Default provided with respect to Debt Securities
of that series;

then and in each and every case that an Event of Default described in clause
(a), (b), (c), (d), (g) or (h) with respect to Debt Securities of that series at
the time Outstanding occurs and is continuing, unless the principal of, premium,
if any, and interest on all the Debt Securities of that series shall have
already become due and payable, either the Trustee or the Holders of not less
than 25% in aggregate principal amount of the Debt Securities of that series
then Outstanding hereunder, by notice in writing to the Partnership (and to the
Trustee if given by Holders), may declare the principal of (or, if the Debt
Securities of that series are Original Issue Discount Debt Securities, such
portion of the principal amount as may be specified in the terms of that
series), premium, if any, and interest on all the Debt Securities of that series
to be due and payable immediately, and upon any such declaration the same shall
become and shall be immediately due and payable, anything in this Indenture or
in the Debt Securities of that series contained to the contrary notwithstanding.
If an Event of Default described in clause (e) or (f) occurs, then and in each
and every such case, unless the principal of and interest on all the Debt
Securities shall have become due and payable, the principal of (or, if any Debt
Securities are Original Issue Discount Debt Securities, such portion of the
principal amount as may be specified in the terms thereof), premium, if any, and
interest on all the Debt Securities then Outstanding hereunder shall ipso facto
become and be immediately due and payable without any declaration or other act
on the

                                       31
<PAGE>

part of the Trustee or any Holders, anything in this Indenture or in the Debt
Securities contained to the contrary notwithstanding.

         The Holders of a majority in aggregate principal amount of the Debt
Securities of a particular series by written notice to the Trustee may waive all
past Defaults (except with respect to the nonpayment of principal, premium, if
any, or interest) and rescind an acceleration and its consequences if the
rescission would not conflict with any judgment or decree of a court of
competent jurisdiction already rendered and if all existing Events of Default
have been cured or waived except nonpayment of principal, premium, if any, or
interest that has become due solely because of acceleration. Upon any such
rescission, the parties hereto shall be restored respectively to their several
positions and rights hereunder, and all rights, remedies and powers of the
parties hereto shall continue as though no such proceeding had been taken.

         Section 6.02. Collection of Debt by Trustee, etc. If an Event of
Default occurs and is continuing, the Trustee, in its own name and as trustee of
an express trust, shall be entitled and empowered to institute any action or
proceedings at law or in equity for the collection of the sums so due and unpaid
or enforce the performance of any provision of the Debt Securities of the
affected series or this Indenture, and may prosecute any such action or
proceedings to judgment or final decree, and may enforce any such judgment or
final decree against the Partnership or any other obligor upon the Debt
Securities of such series (and collect the moneys adjudged or decreed to be
payable in the manner provided by law out of the property of the Partnership or
any other obligor upon the Debt Securities of such series, wherever situated).

         In case there shall be pending proceedings for the bankruptcy or for
the reorganization of the Partnership or any other obligor upon the Debt
Securities of any series under any Bankruptcy Law, or in case a Custodian shall
have been appointed for its property, or in case of any other similar judicial
proceedings relative to the Partnership or any other obligor upon the Debt
Securities of any series, its creditors or its property, the Trustee,
irrespective of whether the principal of Debt Securities of any series shall
then be due and payable as therein expressed or by declaration or otherwise and
irrespective of whether the Trustee shall have made any demand pursuant to the
provisions of this Section 6.02, shall be entitled and empowered, by
intervention in such proceedings or otherwise, to file and prove a claim or
claims for the whole amount of principal, premium, if any, and interest (or, if
the Debt Securities of such series are Original Issue Discount Debt Securities,
such portion of the principal amount as may be specified in the terms of such
series) owing and unpaid in respect of the Debt Securities of such series, and
to file such other papers or documents as may be necessary or advisable in order
to have the claims of the Trustee (including any claim for reasonable
compensation to the Trustee, its agents, attorneys and counsel, and for
reimbursement of all expenses and liabilities incurred, and all advances made,
by the Trustee except as a result of its negligence or bad faith) and of the
Holders thereof allowed in any such judicial proceedings relative to the
Partnership, or any other obligor upon the Debt Securities of such series, its
creditors or its property, and to collect and receive any moneys or other
property payable or deliverable on any such claims, and to distribute all
amounts received with respect to the claims of such Holders and of the Trustee
on their behalf, and any receiver, assignee or trustee in bankruptcy or
reorganization is hereby authorized by each of such Holders to make payments to
the Trustee, and, in the event that the Trustee shall consent to the making of
payments directly to such Holders, to pay to the Trustee such amount as shall be
sufficient to cover reasonable compensation to the Trustee, its agents,
attorneys and

                                       32
<PAGE>

counsel, and all other reasonable expenses and liabilities incurred, and all
advances made, by the Trustee except as a result of its negligence or bad faith.

         All rights of action and of asserting claims under this Indenture, or
under any of the Debt Securities of any series, may be enforced by the Trustee
without the possession of any such Debt Securities, or the production thereof in
any trial or other proceedings relative thereto, and any such action or
proceedings instituted by the Trustee shall be brought in its own name as
trustee of an express trust, and any recovery of judgment (except for any
amounts payable to the Trustee pursuant to Section 7.06) shall be for the
ratable benefit of the Holders of all the Debt Securities in respect of which
such action was taken.

         In case of an Event of Default hereunder the Trustee may in its
discretion proceed to protect and enforce the rights vested in it by this
Indenture by such appropriate judicial proceedings as the Trustee shall deem
most effectual to protect and enforce any of such rights, either at law or in
equity or in bankruptcy or otherwise, whether for the specific enforcement of
any covenant or agreement contained in this Indenture or in aid of the exercise
of any power granted in this Indenture, or to enforce any other legal or
equitable right vested in the Trustee by this Indenture or by law.

         Section 6.03. Application of Moneys Collected by Trustee. Any moneys or
other property collected by the Trustee pursuant to Section 6.02 with respect to
Debt Securities of any series shall be applied, after giving effect to the
provisions of Article XII, in the order following, at the date or dates fixed by
the Trustee for the distribution of such moneys or other property, upon
presentation of the several Debt Securities of such series in respect of which
moneys or other property have been collected, and the notation thereon of the
payment, if only partially paid, and upon surrender thereof if fully paid:

         FIRST: To the payment of all money due the Trustee pursuant to Section
7.06;

         SECOND: In case the principal of the Outstanding Debt Securities in
respect of which such moneys have been collected shall not have become due, to
the payment of interest on the Debt Securities of such series in the order of
the maturity of the installments of such interest, with interest (to the extent
that such interest has been collected by the Trustee) upon the overdue
installments of interest at the rate or Yield to Maturity (in the case of
Original Issue Discount Debt Securities) borne by the Debt Securities of such
series, such payments to be made ratably to the Persons entitled thereto,
without discrimination or preference;

         THIRD: In case the principal of the Outstanding Debt Securities in
respect of which such moneys have been collected shall have become due, by
declaration or otherwise, to the payment of the whole amount then owing and
unpaid upon the Debt Securities of such series for principal and premium, if
any, and interest, with interest on the overdue principal and premium, if any,
and (to the extent that such interest has been collected by the Trustee) upon
overdue installments of interest at the rate or Yield to Maturity (in the case
of Original Issue Discount Debt Securities) borne by the Debt Securities of such
series; and, in case such moneys shall be insufficient to pay in full the whole
amount so due and unpaid upon the Debt Securities of such series, then to the
payment of such principal and premium, if any, and interest, without preference
or priority of principal and premium, if any, over interest, or of interest over
principal and premium, if any, or

                                       33
<PAGE>

of any installment of interest over any other installment of interest, or of any
Debt Security of such series over any Debt Security of such series, ratably to
the aggregate of such principal and premium, if any, and interest; and

         FOURTH: The remainder, if any, shall be paid to the Partnership, its
successors or assigns, or to whomsoever may be lawfully entitled to receive the
same, or as a court of competent jurisdiction may direct.

         The Trustee may fix a record date and payment date for any payment to
Holders pursuant to this Section 6.03. At least 15 days before such record date,
the Partnership shall mail to each Holder and the Trustee a notice that states
the record date, the payment date and amount to be paid.

         Section 6.04. Limitation on Suits by Holders. No Holder of any Debt
Security of any series shall have any right by virtue or by availing of any
provision of this Indenture to institute any action or proceeding at law or in
equity or in bankruptcy or otherwise, upon or under or with respect to this
Indenture, or for the appointment of a receiver or trustee, or for any other
remedy hereunder, unless such Holder previously shall have given to the Trustee
written notice of an Event of Default with respect to Debt Securities of that
same series and of the continuance thereof and unless the Holders of not less
than 25% in aggregate principal amount of the Outstanding Debt Securities of
that series shall have made written request upon the Trustee to institute such
action or proceedings in respect of such Event of Default in its own name as
Trustee hereunder and shall have offered to the Trustee such reasonable
indemnity or security as it may require against the costs, expenses and
liabilities to be incurred therein or thereby, and the Trustee, for 60 days
after its receipt of such notice, request and offer of indemnity or security
shall have failed to institute any such action or proceedings and no direction
inconsistent with such written request shall have been given to the Trustee
pursuant to Section 6.06; it being understood and intended, and being expressly
covenanted by the Holder of every Debt Security with every other Holder and the
Trustee, that no one or more Holders shall have any right in any manner whatever
by virtue or by availing of any provision of this Indenture to affect, disturb
or prejudice the rights of any Holders, or to obtain or seek to obtain priority
over or preference to any other such Holder, or to enforce any right under this
Indenture, except in the manner herein provided and for the equal, ratable and
common benefit of all such Holders. For the protection and enforcement of the
provisions of this Section 6.04, each and every Holder and the Trustee shall be
entitled to such relief as can be given either at law or in equity.

         Notwithstanding any other provision in this Indenture, however, the
right of any Holder of any Debt Security to receive payment of the principal of,
and premium, if any, and (subject to Section 2.12) interest on, such Debt
Security, on or after the respective due dates expressed in such Debt Security,
and to institute suit for the enforcement of any such payment on or after such
respective dates, shall not be impaired or affected without the consent of such
Holder.

         Section 6.05. Remedies Cumulative; Delay or Omission in Exercise of
Rights Not a Waiver of Default. All powers and remedies given by this Article VI
to the Trustee or to the Holders shall, to the extent permitted by law, be
deemed cumulative and not exclusive of any thereof or of any other powers and
remedies available to the Trustee or the Holders, by judicial proceedings or
otherwise, to enforce the performance or observance of the covenants and

                                       34
<PAGE>

agreements contained in this Indenture, and to the extent permitted by law, no
delay or omission of the Trustee or of any Holder to exercise any right or power
accruing upon any Default occurring and continuing as aforesaid, shall impair
any such right or power, or shall be construed to be a waiver of any such
Default or an acquiescence therein; and, subject to the provisions of Section
6.04, to the extent permitted by law, every power and remedy given by this
Article VI or by law to the Trustee or to the Holders may be exercised from time
to time, and as often as shall be deemed expedient, by the Trustee or by the
Holders.

         Section 6.06. Rights of Holders of Majority in Principal Amount of Debt
Securities to Direct Trustee and to Waive Default. The Holders of a majority in
aggregate principal amount of the Debt Securities of any series at the time
Outstanding shall have the right to direct the time, method, and place of
conducting any proceeding for any remedy available to the Trustee, or exercising
any right, trust or power conferred on the Trustee, with respect to the Debt
Securities of such series; provided, however, that such direction shall not be
otherwise than in accordance with law and the provisions of this Indenture, and
that subject to the provisions of Section 7.01, the Trustee shall have the right
to decline to follow any such direction if the Trustee being advised by counsel
shall determine that the action so directed may not lawfully be taken, or if the
Trustee shall by a responsible officer or officers determine that the action so
directed would involve it in personal liability or would be unduly prejudicial
to Holders of Debt Securities of such series not taking part in such direction;
and provided, further, however, that nothing in this Indenture contained shall
impair the right of the Trustee to take any action deemed proper by the Trustee
and which is not inconsistent with such direction by such Holders. Prior to the
acceleration of the maturity of the Debt Securities of any series, as provided
in Section 6.01, the Holders of a majority in aggregate principal amount of the
Debt Securities of that series at the time Outstanding may on behalf of the
Holders of all the Debt Securities of that series waive any past Default or
Event of Default and its consequences for that series, except a Default in the
payment of the principal of, and premium, if any, or interest on, any of the
Debt Securities and a Default in respect of a provision that under Section 9.02
cannot be amended without the consent of each Holder affected thereby. In case
of any such waiver, such Default shall cease to exist, any Event of Default
arising therefrom shall be deemed to have been cured for every purpose of this
Indenture, and the Partnership, the Trustee and the Holders of the Debt
Securities of that series shall be restored to their former positions and rights
hereunder, respectively; but no such waiver shall extend to any subsequent or
other Default or impair any right consequent thereon.

         Section 6.07. Trustee to Give Notice of Defaults Known to It, but May
Withhold Such Notice in Certain Circumstances. The Trustee shall, within 90 days
after the occurrence of a Default known to it, or if later, within 30 days after
the Trustee obtains actual knowledge of the Default, with respect to a series of
Debt Securities give to the Holders thereof, in the manner provided in Section
13.03, notice of all Defaults with respect to such series known to the Trustee,
unless such Defaults shall have been cured or waived before the giving of such
notice; provided, that, except in the case of Default in the payment of the
principal of, or premium, if any, or interest on, any of the Debt Securities of
such series or in the making of any sinking fund payment with respect to the
Debt Securities of such series, the Trustee shall be protected in withholding
such notice if and so long as the board of directors, the executive committee or
a committee of directors or responsible officers of the Trustee in good faith
determine that the withholding of such notice is in the interests of the Holders
thereof.

                                       35
<PAGE>

         Section 6.08. Requirement of an Undertaking to Pay Costs in Certain
Suits under the Indenture or Against the Trustee. All parties to this Indenture
agree, and each Holder of any Debt Security by his acceptance thereof shall be
deemed to have agreed, that any court may in its discretion require, in any suit
for the enforcement of any right or remedy under this Indenture, or in any suit
against the Trustee for any action taken or omitted by it as Trustee, the filing
by any party litigant in such suit of an undertaking to pay the costs of such
suit in the manner and to the extent provided in the TIA, and that such court
may in its discretion assess reasonable costs, including reasonable attorneys'
fees and expenses, against any party litigant in such suit, having due regard to
the merits and good faith of the claims or defenses made by such party litigant;
but the provisions of this Section 6.08 shall not apply to any suit instituted
by the Trustee, to any suit instituted by any Holder, or group of Holders,
holding in the aggregate more than 25 percent in principal amount of the
Outstanding Debt Securities of that series or to any suit instituted by any
Holder for the enforcement of the payment of the principal of, or premium, if
any, or interest on, any Debt Security on or after the due date for such payment
expressed in such Debt Security.

                                  ARTICLE VII
                             CONCERNING THE TRUSTEE

         Section 7.01. Certain Duties and Responsibilities. The Trustee, prior
to the occurrence of an Event of Default and after the curing or waiving of all
Events of Default which may have occurred, undertakes to perform such duties and
only such duties as are specifically set forth in this Indenture. In case an
Event of Default has occurred (which has not been cured or waived), the Trustee
shall exercise such of the rights and powers vested in it by this Indenture, and
use the same degree of care and skill in their exercise, as a prudent man would
exercise or use under the circumstances in the conduct of his own affairs.

         No provision of this Indenture shall be construed to relieve the
Trustee from liability for its own negligent action, its own negligent failure
to act, its own bad faith or its own willful misconduct, except that:

         (a) this paragraph shall not be construed to limit the effect of the
first paragraph of this Section 7.01;

         (b) prior to the occurrence of an Event of Default with respect to the
Debt Securities of a series and after the curing or waiving of all Events of
Default with respect to such series which may have occurred:

                  (i) the duties and obligations of the Trustee with respect to
         Debt Securities of any series shall be determined solely by the express
         provisions of this Indenture, and the Trustee shall not be liable
         except for the performance of such duties and obligations with respect
         to such series as are specifically set forth in this Indenture, and no
         implied covenants or obligations with respect to such series shall be
         read into this Indenture against the Trustee;

                  (ii) in the absence of bad faith on the part of the Trustee,
         the Trustee may conclusively rely, as to the truth of the statements
         and the correctness of the opinions expressed therein, upon any
         certificates or opinions furnished to the Trustee and

                                       36
<PAGE>

         conforming to the requirements of this Indenture; but in the case of
         any such certificates or opinions which by any provision hereof are
         specifically required to be furnished to the Trustee, the Trustee shall
         be under a duty to examine the same to determine whether or not they
         conform to the requirements of this Indenture; but the Trustee shall
         examine the evidence furnished to it pursuant to Sections 4.05 and 4.06
         to determine whether or not such evidence conforms to the requirement
         of this Indenture;

                  (iii) the Trustee shall not be liable for an error of judgment
         made in good faith by a responsible officer, unless it shall be proved
         that the Trustee was negligent in ascertaining the pertinent facts; and

                  (iv) the Trustee shall not be liable with respect to any
         action taken or omitted to be taken by it with respect to Debt
         Securities of any series in good faith in accordance with the direction
         of the Holders of not less than a majority in aggregate principal
         amount of the Outstanding Debt Securities of that series relating to
         the time, method and place of conducting any proceeding for any remedy
         available to the Trustee, or exercising any trust or power conferred
         upon the Trustee, under this Indenture with respect to Debt Securities
         of such series.

         None of the provisions of this Indenture shall require the Trustee to
expend or risk its own funds or otherwise incur any personal financial liability
in the performance of any of its duties hereunder, or in the exercise of any of
its rights or powers, if there shall be reasonable grounds for believing that
repayment of such funds or adequate indemnity against such risk or liability is
not reasonably assured to it.

         Whether or not therein expressly so provided, every provision of this
Indenture relating to the conduct or affecting the liability of or affording
protection to the Trustee shall be subject to the provisions of this Section.

         Section 7.02. Certain Rights of Trustee. Except as otherwise provided
in Section 7.01:

         (a) the Trustee may rely and shall be protected in acting or refraining
from acting upon any resolution, certificate, statement, instrument, opinion,
report, notice, request, direction, consent, order, bond, debenture, note or
other paper or document (whether in its original or facsimile form) believed by
it to be genuine and to have been signed or presented by the proper party or
parties;

         (b) any request, direction, order or demand of the Partnership
mentioned herein shall be sufficiently evidenced by a Partnership Request or
Partnership Order (unless other evidence in respect thereof be herein
specifically prescribed); and any resolution of the Partnership Policy Committee
may be evidenced to the Trustee by a copy thereof certified by the Secretary or
an Assistant Secretary of the Partnership or a General Partner;

         (c) the Trustee may consult with counsel, and the advice of such
counsel or any Opinion of Counsel shall be full and complete authorization and
protection in respect of any action taken or suffered or omitted by it hereunder
in good faith and in accordance with such advice or Opinion of Counsel;

                                       37
<PAGE>

         (d) the Trustee shall be under no obligation to exercise any of the
rights or powers vested in it by this Indenture at the request, order or
direction of any of the Holders of Debt Securities of any series pursuant to the
provisions of this Indenture, unless such Holders shall have offered to the
Trustee reasonable security or indemnity against the costs, expenses and
liabilities which may be incurred therein or thereby;

         (e) the Trustee shall not be liable for any action taken or omitted by
it in good faith and reasonably believed by it to be authorized or within the
discretion or rights or powers conferred upon it by this Indenture;

         (f) prior to the occurrence of an Event of Default and after the curing
of all Events of Default which may have occurred, the Trustee shall not be bound
to make any investigation into the facts or matters stated in any resolution,
certificate, statement, instrument, opinion, report, notice, request, direction,
consent, order, approval or other paper or document, unless requested in writing
to do so by the Holders of a majority in aggregate principal amount of the then
Outstanding Debt Securities of a series affected by such matter; provided,
however, that if the payment within a reasonable time to the Trustee of the
costs, expenses or liabilities likely to be incurred by it in the making of such
investigation is not, in the opinion of the Trustee, reasonably assured to the
Trustee by the security afforded to it by the terms of this Indenture, the
Trustee may require reasonable indemnity against such costs, expenses or
liabilities as a condition to so proceeding, and the reasonable expense of every
such investigation shall be paid by the Partnership or, if paid by the Trustee,
shall be repaid by the Partnership upon demand;

         (g) the Trustee may execute any of the trusts or powers hereunder or
perform any duties hereunder either directly or by or through agents or
attorneys and the Trustee shall not be responsible for any misconduct or
negligence on the part of any agent or attorney appointed by it with due care
hereunder; and

         (h) if any property other than cash shall at any time be subject to a
Lien in favor of the Holders, the Trustee, if and to the extent authorized by a
receivership or bankruptcy court of competent jurisdiction or by the
supplemental instrument subjecting such property to such Lien, shall be entitled
to make advances for the purpose of preserving such property or of discharging
tax Liens or other prior Liens or encumbrances thereon.

         Section 7.03. Trustee Not Liable for Recitals in Indenture or in Debt
Securities. The recitals contained herein, in the Debt Securities (except the
Trustee's certificate of authentication) shall be taken as the statements of the
Partnership, and the Trustee assumes no responsibility for the correctness of
the same. The Trustee makes no representations as to the validity or sufficiency
of this Indenture or of the Debt Securities of any series, except that the
Trustee represents that it is duly authorized to execute and deliver this
Indenture, authenticate the Debt Securities and perform its obligations
hereunder, and that the statements made by it or to be made by it in a Statement
of Eligibility and Qualification on Form T-1 supplied to the Partnership are
true and accurate. The Trustee shall not be accountable for the use or
application by the Partnership of any of the Debt Securities or of the proceeds
thereof.

         Section 7.04. Trustee, Paying Agent or Registrar May Own Debt
Securities. The Trustee or any Paying Agent or Registrar, in its individual or
any other capacity, may become the

                                       38
<PAGE>

owner or pledgee of Debt Securities and subject to the provisions of the TIA
relating to conflicts of interest and preferential claims may otherwise deal
with the Partnership with the same rights it would have if it were not Trustee,
Paying Agent or Registrar.

         Section 7.05. Moneys Received by Trustee to Be Held in Trust. Subject
to the provisions of Section 11.05, all moneys received by the Trustee shall,
until used or applied as herein provided, be held in trust for the purposes for
which they were received, but need not be segregated from other funds except to
the extent required by law. The Trustee shall be under no liability for interest
on any moneys received by it hereunder. So long as no Event of Default shall
have occurred and be continuing, all interest allowed on any such moneys shall
be paid from time to time to the Partnership upon a Partnership Order.

         Section 7.06. Compensation and Reimbursement. The Partnership covenants
and agrees to pay in Dollars to the Trustee from time to time, and the Trustee
shall be entitled to, reasonable compensation for all services rendered by it
hereunder (which shall not be limited by any provision of law in regard to the
compensation of a trustee of an express trust), and, except as otherwise
expressly provided herein, the Partnership will pay or reimburse in Dollars the
Trustee upon its request for all reasonable expenses, disbursements and advances
incurred or made by the Trustee in accordance with any of the provisions of this
Indenture (including the reasonable compensation and the expenses and
disbursements of its agents, attorneys and counsel and of all Persons not
regularly in its employ), including without limitation, Section 6.02, except any
such expense, disbursement or advances as may arise from its negligence, willful
misconduct or bad faith. The Partnership also covenants to indemnify in Dollars
the Trustee for, and to hold it harmless against, any loss, liability or expense
incurred without negligence, willful misconduct or bad faith on the part of the
Trustee, arising out of or in connection with the acceptance or administration
of this trust or trusts hereunder, including the reasonable costs and expenses
of defending itself against any claim of liability in connection with the
exercise or performance of any of its powers or duties hereunder. The
obligations of the Partnership under this Section 7.06 to compensate and
indemnify the Trustee and to pay or reimburse the Trustee for expenses,
disbursements and advances shall constitute additional Debt hereunder and shall
survive the satisfaction and discharge of this Indenture. The Partnership and
the Holders agree that such additional Debt shall be secured by a Lien prior to
that of the Debt Securities upon all property and funds held or collected by the
Trustee, as such, except funds held in trust for the payment of principal of,
and premium, if any, or interest on, particular Debt Securities.

         When the Trustee incurs expenses or renders services after an Event of
Default specified in Section 6.01(e) or (f) occurs, the expenses and the
compensation for the services are intended to constitute expenses of
administration under any bankruptcy, insolvency, reorganization or other similar
law.

         Section 7.07. Right of Trustee to Rely on an Officers' Certificate
Where No Other Evidence Specifically Prescribed. Except as otherwise provided in
Section 7.01, whenever in the administration of the provisions of this Indenture
the Trustee shall deem it necessary or desirable that a matter be proved or
established prior to taking or suffering or omitting any action hereunder, such
matter (unless other evidence in respect thereof be herein specifically
prescribed) may, in the absence of negligence or bad faith on the part of the
Trustee, be deemed to be conclusively proved and established by an Officers'
Certificate delivered to the Trustee and

                                       39
<PAGE>

such certificate, in the absence of negligence or bad faith on the part of the
Trustee, shall be full warrant to the Trustee for any action taken, suffered or
omitted by it under the provisions of this Indenture upon the faith thereof.

         Section 7.08. Separate Trustee; Replacement of Trustee. The Partnership
may, but need not, appoint a separate Trustee for any one or more series of Debt
Securities. The Trustee may resign with respect to one or more or all series of
Debt Securities at any time by giving notice to the Partnership. The Holders of
a majority in principal amount of the Debt Securities of a particular series may
remove the Trustee for such series and only such series by so notifying the
Trustee and may appoint a successor Trustee. The Partnership shall remove the
Trustee if:

         (a) the Trustee fails to comply with Section 7.10;

         (b) the Trustee is adjudged bankrupt or insolvent;

         (c) a Custodian takes charge of the Trustee or its property; or

         (d) the Trustee otherwise becomes incapable of acting.

If the Trustee resigns, is removed by the Partnership or by the Holders of a
majority in principal amount of the Debt Securities of a particular series and
such Holders do not reasonably promptly appoint a successor Trustee, or if a
vacancy exists in the office of Trustee for any reason (the Trustee in such
event being referred to herein as the retiring Trustee), the Partnership shall
promptly appoint a successor Trustee. No resignation or removal of the Trustee
and no appointment of a successor Trustee shall become effective until the
acceptance of appointment by the successor Trustee in accordance with the
applicable requirements of this Section 7.08.

         A successor Trustee shall deliver a written acceptance of its
appointment to the retiring Trustee and to the Partnership. Thereupon the
resignation or removal of the retiring Trustee shall become effective, and the
successor Trustee shall have all the rights, powers and duties of the Trustee
under this Indenture. The successor Trustee shall mail a notice of its
succession to Holders of Debt Securities of each applicable series. The retiring
Trustee shall promptly transfer all property held by it as Trustee to the
successor Trustee, subject to the Lien provided for in Section 7.06.

         If a successor Trustee does not take office within 60 days after the
retiring Trustee gives notice of resignation or is removed, the retiring Trustee
or the Holders of 25% in principal amount of the Debt Securities of any
applicable series may petition any court of competent jurisdiction for the
appointment of a successor Trustee for the Debt Securities of such series.

         If the Trustee fails to comply with Section 7.10, any Holder of Debt
Securities of any applicable series may petition any court of competent
jurisdiction for the removal of the Trustee and the appointment of a successor
Trustee for the Debt Securities of such series.

         Notwithstanding the replacement of the Trustee pursuant to this Section
7.08, the Partnership's obligations under Section 7.06 shall continue for the
benefit of the retiring Trustee.

                                       40
<PAGE>

         In the case of the appointment hereunder of a separate or successor
trustee with respect to the Debt Securities of one or more series, the
Partnership, any retiring Trustee and each successor or separate Trustee with
respect to the Debt Securities of any applicable series shall execute and
deliver an Indenture supplemental hereto (i) which shall contain such provisions
as shall be deemed necessary or desirable to confirm that all the rights,
powers, trusts and duties of any retiring Trustee with respect to the Debt
Securities of any series as to which any such retiring Trustee is not retiring
shall continue to be vested in such retiring Trustee and (ii) that shall add to
or change any of the provisions of this Indenture as shall be necessary to
provide for or facilitate the administration of the trusts hereunder by more
than one trustee, it being understood that nothing herein or in such
supplemental Indenture shall constitute such Trustees co-trustees of the same
trust and that each such separate, retiring or successor Trustee shall be
Trustee of a trust or trusts hereunder separate and apart from any trust or
trusts hereunder administered by any other such Trustee.

         Section 7.09. Successor Trustee by Merger. If the Trustee consolidates
with, merges or converts into, or transfers all or substantially all its
corporate trust business or assets to, another corporation or banking
association, the resulting, surviving or transferee corporation or banking
association without any further act shall be the successor Trustee.

         In case at the time such successor or successors by merger, conversion
or consolidation to the Trustee shall succeed to the trusts created by this
Indenture any of the Debt Securities shall have been authenticated but not
delivered, any such successor to the Trustee may adopt the certificate of
authentication of any predecessor trustee, and deliver such Debt Securities so
authenticated; and in case at that time any of the Debt Securities shall not
have been authenticated, any successor to the Trustee may authenticate such Debt
Securities either in the name of any predecessor hereunder or in the name of the
successor to the Trustee; and in all such cases such certificates shall have the
full force which it is anywhere in the Debt Securities or in this Indenture
provided that the certificate of the Trustee shall have.

         Section 7.10. Eligibility; Disqualification. The Trustee shall at all
times satisfy the requirements of Section 310(a) of the TIA. The Trustee shall
have a combined capital and surplus of at least $50,000,000 as set forth in its
most recent published annual report of condition. No obligor upon the Debt
Securities of a particular series or Person directly or indirectly controlling,
controlled by or under common control with such obligor shall serve as Trustee
upon the Debt Securities of such series. The Trustee shall comply with Section
310(b) of the TIA; provided, however, that there shall be excluded from the
operation of Section 310(b)(1) of the TIA this Indenture or any indenture or
indentures under which other securities or certificates of interest or
participation in other securities of the Partnership are outstanding if the
requirements for such exclusion set forth in Section 310(b)(1) of the TIA are
met.

         Section 7.11. Preferential Collection of Claims Against Partnership.
The Trustee shall comply with Section 311(a) of the TIA, excluding any creditor
relationship listed in Section 311(b) of the TIA. A Trustee who has resigned or
been removed shall be subject to Section 311(a) of the TIA to the extent
indicated therein.

         Section 7.12. Compliance with Tax Laws. The Trustee hereby agrees to
comply with all U.S. Federal income tax information reporting and withholding
requirements applicable to it

                                       41
<PAGE>

with respect to payments of premium (if any) and interest on the Debt
Securities, whether acting as Trustee, Registrar, Paying Agent or otherwise with
respect to the Debt Securities.

         Section 7.13. Administration of Trust. The Trustee shall administer the
trust of the Indenture and shall perform a substantial part of its obligations
relating to each series of Debt Securities and this Indenture at its corporate
trust office in the City of New York.

                                  ARTICLE VIII
                             CONCERNING THE HOLDERS

         Section 8.01. Evidence of Action by Holders. Whenever in this Indenture
it is provided that the Holders of a specified percentage in aggregate principal
amount of the Debt Securities of any or all series may take action (including
the making of any demand or request, the giving of any direction, notice,
consent or waiver or the taking of any other action) the fact that at the time
of taking any such action the Holders of such specified percentage have joined
therein may be evidenced by any instrument or any number of instruments of
similar tenor executed by Holders in Person or by agent or proxy appointed in
writing, by the record of the Holders voting in favor thereof at any meeting of
Holders duly called and held in accordance with the provisions of Section 5.02
or by a combination of such instrument or instruments and any such record of
such a meeting of Holders.

         Section 8.02. Proof of Execution of Instruments and of Holding of Debt
Securities. Subject to the provisions of Sections 7.01, 7.02 and 13.09, proof of
the execution of any instrument by a Holder or his agent or proxy shall be
sufficient if made in accordance with such reasonable rules and regulations as
may be prescribed by the Trustee or in such manner as shall be satisfactory to
the Trustee. The ownership of Debt Securities of any series shall be proved by
the Debt Security Register or by a certificate of the Registrar for such series.
The Trustee may require such additional proof of any matter referred to in this
Section 8.02 as it shall deem necessary.

         Section 8.03. Who May Be Deemed Owner of Debt Securities. Prior to due
presentment for registration of transfer of any Debt Security, the Partnership,
the Trustee, any Paying Agent and any Registrar may deem and treat the Person in
whose name any Debt Security shall be registered upon the books of the
Partnership as the absolute owner of such Debt Security (whether or not such
Debt Security shall be overdue and notwithstanding any notation of ownership or
other writing thereon) for the purpose of receiving payment of or on account of
the principal of and premium, if any, and (subject to Section 2.12) interest on
such Debt Security and for all other purposes, and neither the Partnership nor
the Trustee nor any Paying Agent nor any Registrar shall be affected by any
notice to the contrary; and all such payments so made to any such Holder for the
time being, or upon his order, shall be valid and, to the extent of the sum or
sums so paid, effectual to satisfy and discharge the liability for moneys
payable upon any such Debt Security.

         None of the Partnership, the Trustee, any agent of the Trustee, any
Paying Agent or any Registrar will have any responsibility or liability for any
aspect of the records relating to or payments made on account of beneficial
ownership interests in a Global Security or for maintaining, supervising or
reviewing any records relating to such beneficial ownership interests.

                                       42
<PAGE>

         Section 8.04. Instruments Executed by Holders Bind Future Holders. At
any time prior to (but not after) the evidencing to the Trustee, as provided in
Section 8.01, of the taking of any action by the Holders of the percentage in
aggregate principal amount of the Debt Securities of any series specified in
this Indenture in connection with such action and subject to the following
paragraph, any Holder of a Debt Security which is shown by the evidence to be
included in the Debt Securities the Holders of which have consented to such
action may, by filing written notice with the Trustee at its corporate trust
office and upon proof of holding as provided in Section 8.02, revoke such action
so far as concerns such Debt Security. Except as aforesaid any such action taken
by the Holder of any Debt Security shall be conclusive and binding upon such
Holder and upon all future Holders and owners of such Debt Security and of any
Debt Security issued upon transfer thereof or in exchange or substitution
therefor, irrespective of whether or not any notation in regard thereto is made
upon such Debt Security or such other Debt Securities. Any action taken by the
Holders of the percentage in aggregate principal amount of the Debt Securities
of any series specified in this Indenture in connection with such action shall
be conclusively binding upon the Partnership, the Trustee and the Holders of all
the Debt Securities of such series.

         The Partnership may, but shall not be obligated to, fix a record date
for the purpose of determining the Holders of Debt Securities entitled to give
their consent or take any other action required or permitted to be taken
pursuant to this Indenture. If a record date is fixed, then notwithstanding the
immediately preceding paragraph, those Persons who were Holders of Debt
Securities at such record date (or their duly designated proxies), and only
those Persons, shall be entitled to give such consent or to revoke any consent
previously given or to take any such action, whether or not such Persons
continue to be Holders of Debt Securities after such record date. No such
consent shall be valid or effective for more than 120 days after such record
date unless the consent of the Holders of the percentage in aggregate principal
amount of the Debt Securities of such series specified in this Indenture shall
have been received within such 120-day period.

                                   ARTICLE IX
                             SUPPLEMENTAL INDENTURES

         Section 9.01. Purposes for Which Supplemental Indenture May Be Entered
into Without Consent of Holders. The Partnership, when authorized by resolutions
of the Partnership Policy Committee, and the Trustee may from time to time and
at any time, without the consent of Holders, enter into an Indenture or
Indentures supplemental hereto (which shall conform to the provisions of the TIA
as in force at the date of the execution thereof) for one or more of the
following purposes:

         (a) to evidence the succession pursuant to Article X of another Person
to the Partnership, or successive successions, and the assumption by the
Successor Partnership (as defined in Section 10.01) of the covenants, agreements
and obligations of the Partnership in this Indenture and in the Debt Securities;

         (b) to surrender any right or power herein conferred upon the
Partnership, to add to the covenants of the Partnership such further covenants,
restrictions, conditions or provisions for the protection of the Holders of all
or any series of Debt Securities (and if such covenants are to

                                       43
<PAGE>

be for the benefit of less than all series of Debt Securities, stating that such
covenants are expressly being included solely for the benefit of such series) as
the Partnership Policy Committee shall consider to be for the protection of the
Holders of such Debt Securities, and to make the occurrence, or the occurrence
and continuance, of a Default in any of such additional covenants, restrictions,
conditions or provisions a Default or an Event of Default permitting the
enforcement of all or any of the several remedies provided in this Indenture;
provided, that in respect of any such additional covenant, restriction,
condition or provision such supplemental Indenture may provide for a particular
period of grace after Default (which period may be shorter or longer than that
allowed in the case of other Defaults) or may provide for an immediate
enforcement upon such Default or may limit the remedies available to the Trustee
upon such Default or may limit the right of the Holders of a majority in
aggregate principal amount of any or all series of Debt Securities to waive such
default;

         (c) to cure any ambiguity or omission or to correct or supplement any
provision contained herein, in any supplemental Indenture or in any Debt
Securities of any series that may be defective or inconsistent with any other
provision contained herein, in any supplemental Indenture or in the Debt
Securities of such series;

         (d) to convey, transfer, assign, mortgage or pledge any property to or
with the Trustee, or to make such other provisions in regard to matters or
questions arising under this Indenture as shall not adversely affect the
interests of any Holders of Debt Securities of any series;

         (e) to modify or amend this Indenture in such a manner as to permit the
qualification of this Indenture or any Indenture supplemental hereto under the
TIA as then in effect, except that nothing herein contained shall permit or
authorize the inclusion in any Indenture supplemental hereto of the provisions
referred to in Section 316(a)(2) of the TIA;

         (f) to add to or change any of the provisions of this Indenture to
change or eliminate any restrictions on the payment of principal of, or premium,
if any, on, Debt Securities; provided, that any such action shall not adversely
affect the interests of the Holders of Debt Securities of any series in any
material respect or permit or facilitate the issuance of Debt Securities of any
series in uncertificated form;

         (g) to secure any or all of the Debt Securities;

         (h) to make any change in Article XII that would limit or terminate the
benefits available to any holder of Senior Indebtedness (or Representatives
therefor) under Article XII; provided, however, that an amendment under this
Section 9.01 may not make any change that adversely affects the rights under
Article XII of any holder of Senior Indebtedness then outstanding, unless the
holders of the requisite percentage of such Senior Indebtedness (or any group or
Representative thereof authorized to give a consent) consent to such change, as
provided in the agreements under which such Senior Indebtedness is outstanding;

         (i) to make any change that does not adversely affect the rights of any
Holder;

         (j) to add to, change or eliminate any of the provisions of this
Indenture in respect of one or more series of Debt Securities; provided,
however, that any such addition, change or

                                       44
<PAGE>

elimination not otherwise permitted under this Section 9.01 shall neither apply
to any Debt Security of any series created prior to the execution of such
supplemental Indenture and entitled to the benefit of such provision nor modify
the rights of the Holder of any such Debt Security with respect to such
provision or shall become effective only when there is no such Debt Security
Outstanding;

         (k) to evidence and provide for the acceptance of appointment hereunder
by a successor or separate Trustee with respect to the Debt Securities of one or
more series and to add to or change any of the provisions of this Indenture as
shall be necessary to provide for or facilitate the administration of the trusts
hereunder by more than one Trustee; and

         (l) to establish the form or terms of Debt Securities of any series as
permitted by Sections 2.01 and 2.03.

         The Trustee is hereby authorized to join with the Partnership in the
execution of any such supplemental Indenture, to make any further appropriate
agreements and stipulations which may be therein contained and to accept the
conveyance, transfer, assignment, mortgage or pledge of any property thereunder,
but the Trustee shall not be obligated to enter into any such supplemental
Indenture which affects the Trustee's own rights, duties or immunities under
this Indenture or otherwise.

         Any supplemental Indenture authorized by the provisions of this Section
9.01 may be executed by the Partnership and the Trustee without the consent of
the Holders of any of the Debt Securities at the time Outstanding,
notwithstanding any of the provisions of Section 9.02.

         Section 9.02. Modification of Indenture with Consent of Holders of Debt
Securities. Without notice to any Holder but with the consent (evidenced as
provided in Section 8.01) of the Holders of not less than a majority in
aggregate principal amount of the Outstanding Debt Securities of each series
affected by such supplemental Indenture (including consents obtained in
connection with a tender offer or exchange offer for any such series of Debt
Securities), the Partnership, when authorized by resolutions of the Partnership
Policy Committee, and the Trustee may from time to time and at any time enter
into an Indenture or Indentures supplemental hereto (which shall conform to the
provisions of the TIA as in force at the date of execution thereof) for the
purpose of adding any provisions to or changing in any manner or eliminating any
of the provisions of this Indenture or of any supplemental Indenture or of
modifying in any manner the rights of the Holders of the Debt Securities of such
series; provided, that no such supplemental Indenture, without the consent of
the Holders of each Debt Security so affected, shall: reduce the percentage in
principal amount of Debt Securities of any series whose Holders must consent to
an amendment; reduce the rate of or extend the time for payment of interest on
any Debt Security; reduce the principal of or extend the Stated Maturity of any
Debt Security; reduce the premium payable upon the redemption of any Debt
Security or change the time at which any Debt Security may or shall be redeemed
in accordance with Article III; make any Debt Security payable in currency other
than the Dollar; impair the right of any Holder to receive payment of premium,
if any, principal of and interest on such Holder's Debt Securities on or after
the due dates therefor or to institute suit for the enforcement of any payment
on or with respect to such Holder's Debt Securities; release any security that
may have

                                       45
<PAGE>

been granted in respect of the Debt Securities; make any change in Section 6.06
or this Section 9.02.

         A supplemental Indenture which changes or eliminates any covenant or
other provision of this Indenture which has been expressly included solely for
the benefit of one or more particular series of Debt Securities or which
modifies the rights of the Holders of Debt Securities of such series with
respect to such covenant or other provision, shall be deemed not to affect the
rights under this Indenture of the Holders of Debt Securities of any other
series.

         Upon the request of the Partnership, accompanied by a copy of
resolutions of the Partnership Policy Committee authorizing the execution of any
such supplemental Indenture, and upon the filing with the Trustee of evidence of
the consent of Holders as aforesaid, the Trustee shall join with the Partnership
in the execution of such supplemental Indenture unless such supplemental
Indenture affects the Trustee's own rights, duties or immunities under this
Indenture or otherwise, in which case the Trustee may in its discretion but
shall not be obligated to enter into such supplemental Indenture.

         It shall not be necessary for the consent of the Holders under this
Section 9.02 to approve the particular form of any proposed supplemental
Indenture, but it shall be sufficient if such consent shall approve the
substance thereof.

         An amendment under this Section 9.02 may not make any change that
adversely affects the rights under Article XII of any holder of Senior
Indebtedness then outstanding, unless the holders of the requisite percentage of
such Senior Indebtedness (or any group or Representative thereof authorized to
give a consent) consent to such change, as provided in the agreements under
which such Senior Indebtedness is outstanding.

         After an amendment under this Section 9.02 becomes effective, the
Partnership shall mail to Holders of Debt Securities of each series affected
thereby a notice briefly describing such amendment. The failure to give such
notice to all such Holders, or any defect therein, shall not impair or affect
the validity of an amendment under this Section 9.02.

         Section 9.03. Effect of Supplemental Indentures. Upon the execution of
any supplemental Indenture pursuant to the provisions of this Article IX, this
Indenture shall be and be deemed to be modified and amended in accordance
therewith and the respective rights, limitations of rights, obligations, duties
and immunities under this Indenture of the Trustee, the Partnership and the
Holders shall thereafter be determined, exercised and enforced hereunder subject
in all respects to such modifications and amendments, and all the terms and
conditions of any such supplemental Indenture shall be and be deemed to be part
of the terms and conditions of this Indenture for any and all purposes.

         The Trustee, subject to the provisions of Sections 7.01 and 7.02, may
receive an Officers' Certificate and an Opinion of Counsel as conclusive
evidence that any such supplemental Indenture complies with the provisions of
this Article IX.

         Section 9.04. Debt Securities May Bear Notation of Changes by
Supplemental Indentures. Debt Securities of any series authenticated and
delivered after the execution of any supplemental Indenture pursuant to the
provisions of this Article IX may, and shall if required by

                                       46
<PAGE>

the Trustee, bear a notation in form approved by the Trustee as to any matter
provided for in such supplemental Indenture. New Debt Securities of any series
so modified as to conform, in the opinion of the Trustee and the Partnership
Policy Committee, to any modification of this Indenture contained in any such
supplemental Indenture may be prepared and executed by the Partnership,
authenticated by the Trustee and delivered in exchange for the Debt Securities
of such series then Outstanding. Failure to make the appropriate notation or to
issue a new Debt Security of such series shall not affect the validity of such
amendment.

                                   ARTICLE X
                    CONSOLIDATION, MERGER, SALE OR CONVEYANCE

         Section 10.01. Consolidations and Mergers of the Partnership. The
Partnership shall not consolidate or amalgamate with or merge with or into any
Person, or sell, convey, transfer, lease or otherwise dispose of all or
substantially all its assets to any Person, whether in a single transaction or a
series of related transactions, except (1) in accordance with the provisions of
its partnership agreement, and (2) unless: (a) either (i) the Partnership shall
be the continuing Person in the case of a merger or (ii) the resulting,
surviving or transferee Person if other than the Partnership (the "Successor
Partnership"), shall be a partnership, limited liability company or corporation
organized and existing under the laws of the United States of America, any state
thereof or the District of Columbia and the Successor Partnership shall
expressly assume, by an Indenture supplemental hereto, executed and delivered to
the Trustee, in form satisfactory to the Trustee, all the obligations of the
Partnership under this Indenture and the Debt Securities according to their
tenor; (b) immediately after giving effect to such transaction (and treating any
Debt which becomes an obligation of the Successor Partnership or any Subsidiary
of the Successor Partnership as a result of such transaction as having been
incurred by the Successor Partnership or such Subsidiary at the time of such
transaction), no Default or Event of Default would occur or be continuing; and
(c) the Partnership shall have delivered to the Trustee an Officers' Certificate
and an Opinion of Counsel, each stating that such consolidation, amalgamation,
merger or disposition and such supplemental Indenture (if any) comply with this
Indenture.

         Section 10.02. Rights and Duties of Successor Partnership. In case of
any consolidation, amalgamation or merger where the Partnership is not the
continuing Person, or disposition of all or substantially all of the assets of
the Partnership in accordance with Section 10.01, the Successor Partnership
shall succeed to and be substituted for the Partnership with the same effect as
if it had been named herein as the respective party to this Indenture, and the
predecessor entity shall be released from all liabilities and obligations under
this Indenture and the Debt Securities, except that no such release will occur
in the case of a lease of all or substantially all of its assets. The Successor
Partnership thereupon may cause to be signed, and may issue either in its own
name or in the name of the Partnership, any or all the Debt Securities issuable
hereunder which theretofore shall not have been signed by the Partnership and
delivered to the Trustee; and, upon the order of the Successor Partnership,
instead of the Partnership, and subject to all the terms, conditions and
limitations in this Indenture prescribed, the Trustee shall authenticate and
shall deliver any Debt Securities which previously shall have been signed and
delivered by the Officers of the Partnership to the Trustee for authentication,
and any Debt Securities which the Successor Partnership thereafter shall cause
to be signed and delivered to the Trustee for that purpose. All the Debt
Securities so issued shall in all respects have the same legal rank and

                                       47
<PAGE>

benefit under this Indenture as the Debt Securities theretofore or thereafter
issued in accordance with the terms of this Indenture as though all such Debt
Securities had been issued at the date of the execution hereof.

         In case of any such consolidation, amalgamation, merger, sale or
disposition such changes in phraseology and form (but not in substance) may be
made in the Debt Securities thereafter to be issued as may be appropriate.

                                   ARTICLE XI
                          SATISFACTION AND DISCHARGE OF
                     INDENTURE; DEFEASANCE; UNCLAIMED MONEYS

         Section 11.01. Applicability of Article. The provisions of this Article
XI relating to defeasance of Debt Securities shall be applicable to each series
of Debt Securities except as otherwise specified pursuant to Section 2.03 for
Debt Securities of such series.

         Section 11.02. Satisfaction and Discharge of Indenture; Defeasance.

         (a) If at any time the Partnership shall have delivered to the Trustee
for cancellation all Debt Securities of any series theretofore authenticated and
delivered (other than any Debt Securities of such series which shall have been
destroyed, lost or stolen and which shall have been replaced or paid as provided
in Section 2.09 and Debt Securities for whose payment money has theretofore been
deposited in trust and thereafter repaid to the Partnership as provided in
Section 11.05) or all Debt Securities of such series not theretofore delivered
to the Trustee for cancellation shall have become due and payable, or are by
their terms to become due and payable within one year or are to be called for
redemption within one year under arrangements satisfactory to the Trustee for
the giving of notice of redemption, and the Partnership shall deposit with the
Trustee as trust funds the entire amount in cash sufficient to pay at maturity
or upon redemption all Debt Securities of such series not theretofore delivered
to the Trustee for cancellation, including principal and premium, if any, and
interest due or to become due on such date of Stated Maturity or redemption
date, as the case may be, and if in either case the Partnership shall also pay
or cause to be paid all other sums payable hereunder by the Partnership, then
this Indenture shall cease to be of further effect (except as to any surviving
rights of registration of transfer or exchange of such Debt Securities herein
expressly provided for) with respect to the Debt Securities of such series, and
the Trustee, on demand of the Partnership accompanied by an Officers'
Certificate and an Opinion of Counsel and at the cost and expense of the
Partnership, shall execute proper instruments acknowledging satisfaction of and
discharging this Indenture.

         (b) Subject to Sections 11.02(c), 11.03 and 11.07, the Partnership at
any time may terminate, with respect to Debt Securities of a particular series,
(i) all its obligations under the Debt Securities of such series and this
Indenture with respect to the Debt Securities of such series ("legal defeasance
option") or (ii) the operation of (x) Sections 4.05, 4.06, 4.07, 4.08 and 4.09
and Article X and any covenant made applicable to such Debt Securities pursuant
to Section 2.03 and (y) Sections 6.01(d), (g) and (h) ("covenant defeasance
option"). The Partnership may exercise its legal defeasance option
notwithstanding its prior exercise of its covenant defeasance option.

                                       48
<PAGE>

         If the Partnership exercises its legal defeasance option, payment of
the Debt Securities of the defeased series may not be accelerated because of an
Event of Default. If the Partnership exercises its covenant defeasance option,
payment of the Debt Securities of the defeased series may not be accelerated
because of an Event of Default specified in Sections 6.01(d), (g) or (h) (except
to the extent covenants or agreements referenced in such Sections remain
applicable).

         Upon satisfaction of the conditions set forth herein and upon request
of the Partnership, the Trustee shall acknowledge in writing the discharge of
those obligations that the Partnership terminates.

         (c) Notwithstanding clauses (a) and (b) above, the Partnership's
obligations in Sections 2.07, 2.09, 4.01, 4.02, 4.03, 4.04, 5.01, 7.06, 11.05,
11.06 and 11.07 shall survive until the Debt Securities of the defeased series
have been paid in full. Thereafter, the Partnership's obligations in Sections
7.06, 11.05 and 11.06 shall survive.

         Section 11.03. Conditions of Defeasance. The Partnership may exercise
its legal defeasance option or its covenant defeasance option with respect to
Debt Securities of a particular series only if:

         (a) the Partnership irrevocably deposits in trust with the Trustee
money or U.S. Government Obligations for the payment of principal of, and
premium, if any, and interest on, the Debt Securities of such series to Stated
Maturity or redemption, as the case may be;

         (b) the Partnership delivers to the Trustee a certificate from a
nationally recognized firm of independent accountants expressing their opinion
that the payments of principal and interest when due and without reinvestment on
the deposited U.S. Government Obligations plus any deposited money without
investment will provide cash at such times and in such amounts as will be
sufficient to pay the principal, premium and interest when due on all the Debt
Securities of such series to Stated Maturity or redemption, as the case may be;

         (c) 91 days pass after the deposit is made and during the 91-day period
no Default specified in Section 6.01(e) or (f) with respect to the Partnership
occurs which is continuing at the end of the period;

         (d) no Default has occurred and is continuing on the date of such
deposit and after giving effect thereto;

         (e) the deposit does not constitute a default under any other agreement
binding on the Partnership and is not prohibited by Article XII;

         (f) the Partnership delivers to the Trustee an Opinion of Counsel to
the effect that the trust resulting from the deposit does not constitute, or is
qualified as, a regulated investment company under the Investment Company Act of
1940;

         (g) in the event of the legal defeasance option, the Partnership shall
have delivered to the Trustee an Opinion of Counsel stating that the Partnership
has received from the Internal Revenue Service a ruling, or since the date of
this Indenture there has been a change in the applicable Federal income tax law,
in either case of the effect that, and based thereon such

                                       49
<PAGE>

Opinion of Counsel shall confirm that, the Holders of Debt Securities of such
series will not recognize income, gain or loss for Federal income tax purposes
as a result of such defeasance and will be subject to Federal income tax on the
same amounts, in the same manner and at the same times as would have been the
case if such defeasance had not occurred;

         (h) in the event of the covenant defeasance option, the Partnership
shall have delivered to the Trustee an Opinion of Counsel to the effect that the
Holders of Debt Securities of such series will not recognize income, gain or
loss for Federal income tax purposes as a result of such covenant defeasance and
will be subject to Federal income tax on the same amounts, in the same manner
and at the same times as would have been the case if such covenant defeasance
had not occurred; and

         (i) the Partnership delivers to the Trustee an Officers' Certificate
and an Opinion of Counsel, each stating that all conditions precedent to the
defeasance and discharge of the Debt Securities of such series as contemplated
by this Article XI have been complied with.

         Before or after a deposit, the Partnership may make arrangements
satisfactory to the Trustee for the redemption of Debt Securities of such series
at a future date in accordance with Article III.

         Section 11.04. Application of Trust Money. The Trustee shall hold in
trust money or U.S. Government Obligations deposited with it pursuant to this
Article XI. It shall apply the deposited money and the money from U.S.
Government Obligations through any Paying Agent and in accordance with this
Indenture to the payment of principal of, and premium, if any, and interest on,
the Debt Securities of the defeased series. Money and securities so held in
trust shall not be subject to the provisions of Article XII.

         Section 11.05. Repayment to Partnership. The Trustee and any Paying
Agent shall promptly turn over to the Partnership upon request any excess money
or securities held by them at any time.

         Subject to any applicable abandoned property law, the Trustee and any
Paying Agent shall pay to the Partnership upon request any money held by them
for the payment of principal, premium or interest that remains unclaimed for two
years, and, thereafter, Holders entitled to such money must look to the
Partnership for payment as general creditors.

         Section 11.06. Indemnity for U.S. Government Obligations. The
Partnership shall pay and shall indemnify the Trustee and the Holders against
any tax, fee or other charge imposed on or assessed against deposited U.S.
Government Obligations or the principal and interest received on such U.S.
Government Obligations.

         Section 11.07. Reinstatement. If the Trustee or any Paying Agent is
unable to apply any money or U.S. Government Obligations in accordance with this
Article XI by reason of any legal proceeding or by reason of any order or
judgment of any court or government authority enjoining, restraining or
otherwise prohibiting such application, the Partnership's obligations under this
Indenture and the Debt Securities of the defeased series shall be revived and
reinstated as though no deposit had occurred pursuant to this Article XI until
such time as the Trustee or

                                       50
<PAGE>

any Paying Agent is permitted to apply all such money or U.S. Government
Obligations in accordance with this Article XI.

                                  ARTICLE XII
                        SUBORDINATION OF DEBT SECURITIES

         Section 12.01. Applicability of Article; Agreement To Subordinate. The
provisions of this Article XII shall be applicable to all the Debt Securities of
any series issued under this Indenture. Each Holder by accepting a Debt Security
agrees that the Debt evidenced by such Debt Security is subordinated in right of
payment, to the extent and in the manner provided in this Article XII, to the
prior payment of all Senior Indebtedness and that the subordination is for the
benefit of and enforceable by the holders of Senior Indebtedness. All provisions
of this Article XII shall be subject to Section 12.12.

         Section 12.02. Liquidation, Dissolution, Bankruptcy. Upon any payment
or distribution of the assets of the Partnership to creditors, upon a
liquidation or a dissolution of the Partnership or in a bankruptcy,
reorganization, insolvency, receivership or similar proceeding relating to the
Partnership or its property:

         (a) holders of Senior Indebtedness of the Partnership shall be entitled
to receive payment in full in cash of such Senior Indebtedness of such Person
(including interest (if any), accruing on or after the commencement of a
proceeding in bankruptcy, whether or not allowed as a claim against the
Partnership in such bankruptcy proceeding) before Holders of Debt Securities
shall be entitled to receive any payment of principal of, or premium, if any, or
interest on, the Debt Securities from the Partnership; and

         (b) until the Senior Indebtedness of the Partnership is paid in full,
any distribution to which Holders of Debt Securities would be entitled but for
this Article XII shall be made to holders of Senior Indebtedness of the
Partnership as their interests may appear, except that such Holders may receive
capital stock and any debt securities that are subordinated to Senior
Indebtedness of the Partnership to at least the same extent as the Debt
Securities of the Partnership.

         Section 12.03. Default on Senior Indebtedness. The Partnership may not
pay the principal of, or premium, if any, or interest on, the Debt Securities or
make any deposit pursuant to Article XI and may not repurchase, redeem or
otherwise retire (except, in the case of Debt Securities that provide for a
mandatory sinking fund pursuant to Section 3.05, by the delivery of Debt
Securities by the Partnership to the Trustee pursuant to the first paragraph of
Section 3.05) any Debt Securities (collectively, "pay the Debt Securities") if
any principal, premium or interest in respect of Senior Indebtedness of such
Person is not paid within any applicable grace period (including at maturity) or
any other default on Senior Indebtedness of such Person occurs and the maturity
of such Senior Indebtedness is accelerated in accordance with its terms unless,
in either case, the default has been cured or waived and any such acceleration
has been rescinded or such Senior Indebtedness has been paid in full in cash;
provided, however, that the Partnership may make payments on the Debt Securities
without regard to the foregoing if the Partnership and the Trustee receive
written notice approving such payment from the Representative of each issue of
Designated Senior Indebtedness. During the continuance of any other default with
respect to any

                                       51
<PAGE>

Designated Senior Indebtedness pursuant to which the maturity thereof may be
accelerated immediately without further notice (except such notice as may be
required to effect such acceleration) or the expiration of any applicable grace
periods, the Partnership may not make payments on the Debt Securities for a
period (a "Payment Blockage Period") commencing upon the receipt by the
Partnership and the Trustee of written notice of such default from the
Representative of any Designated Senior Indebtedness specifying an election to
effect a Payment Blockage Period (a "Blockage Notice") and ending 179 days
thereafter (or earlier if such Payment Blockage Period is terminated by written
notice to the Trustee and the Partnership from the Person or Persons who gave
such Blockage Notice, by repayment in full in cash of such Designated Senior
Indebtedness or because the default giving rise to such Blockage Notice is no
longer continuing). Notwithstanding the provisions described in the immediately
preceding sentence (but subject to the provisions contained in Section 12.02 and
the first sentence of this Section 12.03), unless the holders of such Designated
Senior Indebtedness or the Representative of such holders shall have accelerated
the maturity of such Designated Senior Indebtedness, the Partnership may resume
payments on the Debt Securities after such Payment Blockage Period. Not more
than one Blockage Notice may be given in any consecutive 360-day period,
irrespective of the number of defaults with respect to any number of issues of
Designated Senior Indebtedness during such period, unless otherwise specified
pursuant to Section 2.03 for the Debt Securities of a series; provided, however,
that in no event may the total number of days during which any Payment Blockage
Period or Periods is in effect exceed 179 days in the aggregate during any 360
consecutive day period. For purposes of this Section 12.03, no default or event
of default which existed or was continuing on the date of the commencement of
any Payment Blockage Period with respect to the Designated Senior Indebtedness
initiating such Payment Blockage Period shall be, or be made, the basis of the
commencement of a subsequent Payment Blockage Period by the Representative of
such Designated Senior Indebtedness, whether or not within a period of 360
consecutive days, unless such default or event of default shall have been cured
or waived for a period of not less than 90 consecutive days.

         Section 12.04. Acceleration of Payment of Debt Securities. If payment
of the Debt Securities is accelerated because of an Event of Default, the
Partnership shall promptly notify the holders of the Designated Senior
Indebtedness (or their Representatives) of the acceleration.

         Section 12.05. When Distribution Must Be Paid Over. If a distribution
is made to Holders of Debt Securities that because of this Article XII should
not have been made to them, the Holders who receive such distribution shall hold
it in trust for holders of Senior Indebtedness and pay it over to them as their
interests may appear.

         Section 12.06. Subrogation. After all Senior Indebtedness is paid in
full and until the Debt Securities are paid in full, Holders thereof shall be
subrogated to the rights of holders of Senior Indebtedness to receive
distributions applicable to Senior Indebtedness. A distribution made under this
Article XII to holders of Senior Indebtedness which otherwise would have been
made to Holders of Debt Securities is not, as between the Partnership and such
Holders, a payment by the Partnership on Senior Indebtedness.

         Section 12.07. Relative Rights. This Article XII defines the relative
rights of Holders of Debt Securities and holders of Senior Indebtedness. Nothing
in this Indenture shall:

                                       52
<PAGE>

         (a) impair, as between the Partnership and Holders of Debt Securities,
the obligation of the Partnership which is absolute and unconditional, to pay
principal of, and premium, if any, and interest on, the Debt Securities in
accordance with their terms; or

         (b) prevent the Trustee or any Holder of either Debt Securities from
exercising its available remedies upon an Event of Default, subject to the
rights of holders of Senior Indebtedness to receive distributions otherwise
payable to Holders of Debt Securities.

         Section 12.08. Subordination May Not Be Impaired by Partnership. No
right of any holder of Senior Indebtedness to enforce the subordination of the
Debt evidenced by the Debt Securities shall be impaired by any act or failure to
act by the Partnership or by its failure to comply with this Indenture.

         Section 12.09. Rights of Trustee and Paying Agent. Notwithstanding
Sections 12.02 and 12.03, the Trustee or any Paying Agent may continue to make
payments on Debt Securities and shall not be charged with knowledge of the
existence of facts that would prohibit the making of any such payments unless,
not less than two Business Days prior to the date of such payment, a responsible
officer of the Trustee receives notice satisfactory to it that payments may not
be made under this Article XII. The Partnership, the Registrar, any Paying
Agent, a Representative or a holder of Senior Indebtedness may give the notice;
provided, however, that, if an issue of Senior Indebtedness has a
Representative, only the Representative may give the notice on behalf of the
Holders of the Senior Indebtedness of that issue.

         The Trustee in its individual or any other capacity may hold Senior
Indebtedness with the same rights it would have if it were not Trustee. The
Registrar and any Paying Agent may do the same with like rights. The Trustee
shall be entitled to all the rights set forth in this Article XII with respect
to any Senior Indebtedness which may at any time be held by it, to the same
extent as any other holder of Senior Indebtedness; and nothing in Article VII
shall deprive the Trustee of any of its rights as such holder. Nothing in this
Article XII shall apply to claims of, or payments to, the Trustee under or
pursuant to Section 7.06.

         Section 12.10. Distribution or Notice to Representative. Whenever a
distribution is to be made or a notice given to holders of Senior Indebtedness,
the distribution may be made and the notice given to their Representative (if
any).

         Section 12.11. Article XII Not to Prevent Defaults or Limit Right to
Accelerate. The failure to make a payment pursuant to the Debt Securities by
reason of any provision in this Article XII shall not be construed as preventing
the occurrence of a Default or Event of Default. Nothing in this Article XII
shall have any effect on the right of the Holders or the Trustee to accelerate
the maturity of the Debt Securities.

         Section 12.12. Trust Moneys Not Subordinated. Notwithstanding anything
contained herein to the contrary, payments from money or the proceeds of U.S.
Government Obligations held in trust under Article XI by the Trustee for the
payment of principal of, and premium, if any, and interest on, the Debt
Securities shall not be subordinated to the prior payment of any Senior
Indebtedness or subject to the restrictions set forth in this Article XII, and
none of the

                                       53
<PAGE>

Holders thereof shall be obligated to pay over any such amount to the
Partnership or any holder of Senior Indebtedness of the Partnership or any other
creditor of the Partnership.

         Section 12.13. Trustee Entitled to Rely. Upon any payment or
distribution pursuant to this Article XII, the Trustee and the Holders shall be
entitled to rely upon any order or decree of a court of competent jurisdiction
in which any proceedings of the nature referred to in Section 12.02 are pending,
upon a certificate of the liquidating trustee or agent or other Person making
such payment or distribution to the Trustee or to such Holders or upon the
Representatives for the holders of Senior Indebtedness for the purpose of
ascertaining the Persons entitled to participate in such payment or
distribution, the holders of the Senior Indebtedness and other Debt of the
Partnership, the amount thereof or payable thereon, the amount or amounts paid
or distributed thereon and all other facts pertinent thereto or to this Article
XII. In the event that the Trustee determines, in good faith, that evidence is
required with respect to the right of any Person as a holder of Senior
Indebtedness to participate in any payment or distribution pursuant to this
Article XII, the Trustee may request such Person to furnish evidence to the
reasonable satisfaction of the Trustee as to the amount of Senior Indebtedness
held by such Person, the extent to which such Person is entitled to participate
in such payment or distribution and other facts pertinent to the rights of such
Person under this Article XII, and, if such evidence is not furnished, the
Trustee may defer any payment to such Person pending judicial determination as
to the right of such Person to receive such payment. The provisions of Sections
7.01 and 7.02 shall be applicable to all actions or omissions of actions by the
Trustee pursuant to this Article XII.

         Section 12.14. Trustee to Effectuate Subordination. Each Holder by
accepting a Debt Security authorizes and directs the Trustee on his behalf to
take such action as may be necessary or appropriate to acknowledge or effectuate
the subordination between the Holders of Debt Securities and the holders of
Senior Indebtedness as provided in this Article XII and appoints the Trustee as
attorney-in-fact for any and all such purposes.

         Section 12.15. Trustee Not Fiduciary for Holders of Senior
Indebtedness. The Trustee shall not be deemed to owe any fiduciary duty to the
holders of Senior Indebtedness and shall not be liable to any such holders if it
shall mistakenly pay over or distribute to Holders of Debt Securities or the
Partnership or any other Person, money or assets to which any holders of Senior
Indebtedness shall be entitled by virtue of this Article XII or otherwise.

         Section 12.16. Reliance by Holders of Senior Indebtedness on
Subordination Provisions. Each Holder by accepting a Debt Security acknowledges
and agrees that the foregoing subordination provisions are, and are intended to
be, an inducement and a consideration to each holder of any Senior Indebtedness,
whether such Senior Indebtedness was created or acquired before or after the
issuance of the Debt Securities, to acquire and continue to hold, or to continue
to hold, such Senior Indebtedness and such holder of Senior Indebtedness shall
be deemed conclusively to have relied on such subordination provisions in
acquiring and continuing to hold, or in continuing to hold, such Senior
Indebtedness.

                                       54
<PAGE>

                                  ARTICLE XIII
                            MISCELLANEOUS PROVISIONS

         Section 13.01. Successors and Assigns of Partnership Bound by
Indenture. All the covenants, stipulations, promises and agreements in this
Indenture contained by or in behalf of the Partnership or the Trustee shall bind
their respective successors and assigns, whether so expressed or not.

         Section 13.02. Acts of Board, Committee or Officer of Successor
Partnership Valid. Any act or proceeding by any provision of this Indenture
authorized or required to be done or performed by any board, committee or
officer of the Partnership shall and may be done and performed with like force
and effect by the like board, committee or officer of any Successor Partnership.

         Section 13.03. Required Notices or Demands. Any notice or communication
by the Partnership or the Trustee to the others is duly given if in writing (in
the English language) and delivered in Person or mailed by registered or
certified mail (return receipt requested), telecopier or overnight air courier
guaranteeing next day delivery, to the other's address:

         If to the Partnership:

         Northern Border Partners, L.P.
         c/o      Northern Plains Natural Gas Company
                  13710 FNB Parkway
                  Omaha, Nebraska 68154-5200
                  Telecopier No.: (402) 492-7476
                  Attention: Director of Finance

         If to the Trustee:

                  [Name of Trustee]
                  [Street Address]
                  [City], [State] [Zip Code]
                  Telecopier No.: ([___]) [___]-[____]
                  Attention: [______________________]

         The Partnership and the Trustee by notice to the other may designate
additional or different addresses for subsequent notices or communications.

         All notices and communications shall be deemed to have been duly given:
at the time delivered by hand, if personally delivered; five Business Days after
being deposited in the mail, postage prepaid, if mailed; on the first Business
Day on or after being sent, if telecopied and the sender receives confirmation
of successful transmission; and the next Business Day after timely delivery to
the courier, if sent by overnight air courier guaranteeing next day delivery.

         Any notice required or permitted to a Holder by the Partnership or the
Trustee pursuant to the provisions of this Indenture shall be deemed to be
properly mailed by being deposited

                                       55
<PAGE>

postage prepaid in a post office letter box in the United States of America
addressed to such Holder at the address of such Holder as shown on the Debt
Security Register. Any report pursuant to Section 313 of the TIA shall be
transmitted in compliance with subsection (c) therein.

         Notwithstanding the foregoing, any notice to Holders of Floating Rate
Securities regarding the determination of a periodic rate of interest, if such
notice is required pursuant to Section 2.03, shall be sufficiently given if
given in the manner specified pursuant to Section 2.03.

         In the event of suspension of regular mail service or by reason of any
other cause it shall be impracticable to give notice by mail, then such
notification as shall be given with the approval of the Trustee shall constitute
sufficient notice for every purpose hereunder.

         In the event it shall be impracticable to give notice by publication,
then such notification as shall be given with the approval of the Trustee shall
constitute sufficient notice for every purpose hereunder.

         Failure to mail a notice or communication to a Holder or any defect in
it or any defect in any notice by publication as to a Holder shall not affect
the sufficiency of such notice with respect to other Holders. If a notice or
communication is mailed or published in the manner provided above, it is
conclusively presumed duly given.

         Section 13.04. Indenture and Debt Securities to Be Construed in
Accordance with the Laws of the State of New York. THIS INDENTURE AND EACH DEBT
SECURITY SHALL BE DEEMED TO BE NEW YORK CONTRACTS, AND FOR ALL PURPOSES SHALL BE
GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF SAID STATE.

         Section 13.05. Officers' Certificate and Opinion of Counsel to Be
Furnished upon Application or Demand by the Partnership. Upon any application or
demand by the Partnership to the Trustee to take any action under any of the
provisions of this Indenture, the Partnership shall furnish to the Trustee an
Officers' Certificate stating that all conditions precedent provided for in this
Indenture relating to the proposed action have been complied with and an Opinion
of Counsel stating that, in the opinion of such counsel, all such conditions
precedent have been complied with, except that in the case of any such
application or demand as to which the furnishing of such document is
specifically required by any provision of this Indenture relating to such
particular application or demand, no additional certificate or opinion need be
furnished.

         Each certificate or opinion provided for in this Indenture and
delivered to the Trustee with respect to compliance with a condition or covenant
provided for in this Indenture shall include (a) a statement that the Person
making such certificate or opinion has read such covenant or condition, (b) a
brief statement as to the nature and scope of the examination or investigation
upon which the statements or opinions contained in such certificate or opinion
are based, (c) a statement that, in the opinion of such Person, he has made such
examination or investigation as is necessary to enable him to express an
informed opinion as to whether or not such covenant or

                                       56
<PAGE>

condition has been complied with and (d) a statement as to whether or not, in
the opinion of such Person, such condition or covenant has been complied with.

         Section 13.06. Payments Due on Legal Holidays. In any case where the
date of maturity of interest on or principal of and premium, if any, on the Debt
Securities of a series or the date fixed for redemption or repayment of any Debt
Security or the making of any sinking fund payment shall not be a Business Day
at any Place of Payment for the Debt Securities of such series, then payment of
interest or principal and premium, if any, or the making of such sinking fund
payment need not be made on such date at such Place of Payment, but may be made
on the next succeeding Business Day at such Place of Payment with the same force
and effect as if made on the date of maturity or the date fixed for redemption,
and no interest shall accrue for the period after such date. If a record date is
not a Business Day, the record date shall not be affected.

         Section 13.07. Provisions Required by TIA to Control. If and to the
extent that any provision of this Indenture limits, qualifies or conflicts with
another provision included in this Indenture which is required to be included in
this Indenture by any of Sections 310 to 318, inclusive, of the TIA, such
required provision shall control.

         Section 13.08. Computation of Interest on Debt Securities. Interest, if
any, on the Debt Securities shall be computed on the basis of a 360-day year of
twelve 30-day months, except as may otherwise be provided pursuant to Section
2.03.

         Section 13.09. Rules by Trustee, Paying Agent and Registrar. The
Trustee may make reasonable rules for action by or a meeting of Holders. The
Registrar and any Paying Agent may make reasonable rules for their functions.

         Section 13.10. Non-Recourse to the General Partners; No Personal
Liability of Directors, Officers, Employees or Partners. Obligations of the
Partnership under this Indenture and the Debt Securities issued hereunder are
non-recourse to the General Partners, and their respective Affiliates (other
than the Partnership), and payable only out of cash flow and assets of the
Partnership. The Trustee, and each Holder of a Debt Security by its acceptance
thereof, will be deemed to have agreed in this Indenture that (1) none of the
General Partners (nor any of their respective Affiliates other than the
Partnership) shall be liable for any of the obligations of the Partnership under
this Indenture or any Debt Securities, and (2) no director, officer, employee,
stockholder or unitholder, as such, of the Partnership, the Trustee, the General
Partners or any Affiliate of any of the foregoing entities and no member of the
Partnership Policy Committee or the Partnership's Audit Committee shall have any
personal liability in respect of the obligations of the Partnership under this
Indenture or any Debt Securities by reason of his, her or its status.

         Section 13.11. Severability. In case any provision in this Indenture or
the Debt Securities shall be invalid, illegal or unenforceable, the validity,
legality and enforceability of the remaining provisions shall not in any way be
affected or impaired thereby.

         Section 13.12. Effect of Headings. The article and section headings
herein and in the Table of Contents are for convenience only and shall not
affect the construction hereof.

                                       57
<PAGE>

         Section 13.13. Indenture May Be Executed in Counterparts. This
Indenture may be executed in any number of counterparts, each of which shall be
an original; but such counterparts shall together constitute but one and the
same instrument.

              (The remainder of this page is intentionally blank.)

                                       58
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be
duly executed, all as of the day and year first above written.

                                            NORTHERN BORDER PARTNERS, L.P.

                                            By:
                                               ---------------------------------
                                            Name:
                                                 -------------------------------
                                            Title:
                                                  ------------------------------

                                            [NAME OF TRUSTEE], as Trustee

                                            By:
                                               ---------------------------------
                                            Name:
                                                 -------------------------------
                                            Title:
                                                  ------------------------------

                                       59PROMIS NOTE EXECUTED BY GREGORY E. FISCHBACH 7/2/01

 Exhibit 10.30 
  
 U.S. $1,797,450 
 Glen Cove, New York 
 July 2, 2001 
  
 PROMISSORY NOTE 
  

WHEREAS, Acclaim Entertainment, Inc. (the “Payee”) issued a warrant numbered W-1, dated January 25, 1991, to purchase 750,000 shares of common stock
of the Payee at an exercise price of $2.4166 per share (as adjusted on a post-stock split basis) (the “Warrant”) to Gregory E. Fischbach (the “Payor”); 
  
 WHEREAS, the Payor exercised the Warrant to purchase 750,000 shares of common stock, par value $.02 per share, of the Payee (the “Warrant Shares”);

  
 WHEREAS, the Payor paid the Payee $15,000 representing the amount equal to (x) the par value of the
Payee’s common stock, times (y) the number of Warrant Shares; and 
  
 WHEREAS, the balance of the payment
for the Warrant Shares may be paid by Payor by delivery of this note to the Payee. 
  
 FOR VALUE RECEIVED, the
Payor hereby unconditionally promises to pay to the order of the Payee, the principal amount of ONE MILLION SEVEN HUNDRED NINETY SEVEN THOUSAND FOUR HUNDRED AND FIFTY DOLLARS ($1,797,450) together with accrued and unpaid interest thereon. The Payor
further agrees to pay interest on such principal amount at the rate Payee is charged from time to time by GMAC Commercial Credit LLC (the “Bank Rate”). All amounts payable hereunder shall be payable to Payee in United States dollars at
such bank account as shall be designated by the Payee in immediately available funds or as otherwise specified to Payor in writing. Payment on this note shall be applied first to any expenses of collection, then to accrued interest, and thereafter
to the outstanding principal balance hereof. The principal amount and accrued interest are due and payable on the earlier of (i) the first anniversary hereof and (ii) to the extent of the proceeds of any “Warrant Share Sale” (as defined
below), the third business day following the date upon which Payor sells any or all of the Warrant Shares (a “Warrant Share Sale”). 
  
 Payor may at any time and from time to time prepay the principal amount, in whole or in part, without premium or penalty. 
  
 The following events shall each be an “Event of Default” under this note: 
  
 (a) bankruptcy or insolvency of Payor; and 
  
 (b) Payor’s
failure to pay any of the principal amount due under this note on the date the same becomes due and payable, or any accrued interest or other amounts due under this note after the same becomes due and payable. 

  
 Upon the occurrence of an Event of Default, the unpaid principal amount, all
unpaid accrued interest thereon and all other amounts owing hereunder may, at the option of Payee, become immediately due and payable to Payee; provided, however, that upon the occurrence of an Event of Default described in (a) above, all
indebtedness of Payor to Payee shall become immediately due and payable without any action of Payee. Effective upon an Event of Default that is not cured, the interest rate on this note shall increase by the lesser of the Bank Rate plus 2% or the
maximum penalty as shall be permitted by applicable law. 
  
 This note is made with full recourse to the Payor
including without limitation with full recourse to all assets of the Payor and pursuant to and upon all warranties, representations, covenants and agreements on the part of the Payor as contained herein. 
  
 Payor waives presentment and written demand for payment, notice of dishonor, protest and notice of protest of this note, and shall pay all
costs of collection when incurred, including, without limitation, reasonable attorneys’ fees, costs and other expenses. Payor waives his rights to a jury trial in connection with any claims arising under this note to the fullest extent
permitted by law. The right to plead any and all statutes of limitations as a defense to any demands hereunder is hereby waived to the fullest extent permitted by law. 
  
 If there has been an Event of Default by Payor hereunder, Payee shall be entitled to receive and Payor agrees to pay all costs of enforcement and collection incurred by
Payee, including, without limitation, reasonable attorneys’ fees relating thereto. 
  
 The provisions of this
note shall inure to the benefit of and be binding on any successor to Payor and shall extend to any holder hereof. 
  
 This note may not be changed, modified or terminated orally. 
  
 THIS NOTE SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO ANY PRINCIPLES OF CONFLICTS OF LAW. 
  
 
	 
	 By:
 	 	 /s/ Gregory E. Fischbach
 

	  	 	 Gregory E. Fischbach

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