Document:

<PAGE>

                                 Exhibit 10.20

                           SunGard Data Systems Inc.
                     Summary Description of the Company's
                Annual Executive Incentive Compensation Program

SunGard Data Systems Inc. has an annual executive incentive compensation ("EIC")
program for its executive officers and other key management employees.  The
principal purpose of this program is to link a significant portion of annual
cash compensation to financial results and other goals, so as to reward
successful performance.

Each participant's EIC program contains certain financial and/or business goals
as targets.  These targets are established at the beginning of each year and
take into account the Company's overall financial and business goals for the
year.  The EIC program for corporate officers is based primarily upon targeted
rates of increase in the Company's earnings per share over the previous year or
budgeted operating income of the business units that report to the officer.
Sometimes, there are additional performance goals specific to the officer's
function.  For other key management employees, the EIC program targets are based
upon financial and/or business goals related to the business units they manage
and, sometimes, additional performance goals specific to their individual
functions.

Generally, the EIC programs contain an incentive compensation amount related to
each target.  If the target is achieved, then the related incentive compensation
amount is earned.  For most financial goals, there are three to four designated
targets.  If the actual result is less than the minimum target, then no
incentive amount is earned.  If the actual result is between two targets, then
the incentive amount earned is calculated by interpolation.  If the actual
result is more than the maximum target, then the incentive amount earned is
equal to the amount related to the maximum target plus, in some cases, an
additional incentive amount based upon the extent to which the maximum target
was exceeded.<PAGE>

                                 Exhibit 10.21

                           SunGard Data Systems Inc.
                     Summary Description of the Company's
                Long-Term Executive Incentive Compensation Plan

SunGard Data Systems Inc. has a long-term incentive compensation plan for its
executive officers and other key management employees.  The principal purposes
of this plan are to further align the interests of the executives and key
employees with those of the Company's stockholders and to further reward
successful performance.

The plan currently involves the grant of performance accelerated stock options
("PASOs") to purchase shares of the Company's common stock.  PASOs are
nonqualified options (i.e., will not qualify as incentive stock options for tax
purposes) that are granted annually at the beginning of a three-year performance
period and have a term of ten years beginning on the date of grant.  Shares vest
under PASOs nine and one-half years after the date of grant, except that vesting
may be accelerated in part or in full at the end of the three-year performance
period to the extent certain financial performance goals are met.  In addition,
if performance goals for the three-year performance period are exceeded, the
recipient will receive additional cash compensation upon the completion of the
three-year performance period.

The number of option shares granted to each participant under a PASO is
determined on the basis of an analysis of competitive equity compensation
programs, and is subject to subjective adjustments based upon individual
factors.  The financial performance goals for each PASO are based upon the
cumulative growth, during the three-year period covered by the PASO, in the
operating income of the business unit(s) managed by the participant, with the
growth targets for all PASOs, taken together, being consistent with the
Company's overall growth objectives.

The Company currently plans, but will have no legal obligation or commitment, to
continue granting such PASOs (or comparable awards) on an annual basis, subject
to approval by the Equity Award Subcommittee of the Compensation Committee of
the Company's Board of Directors.<PAGE>

                                                                    Exhibit 4.10

                   FOURTH AMENDMENT TO AMENDED AND RESTATED
                          RECEIVABLES SALE AGREEMENT

          FOURTH AMENDMENT TO AMENDED AND RESTATED RECEIVABLES SALE AGREEMENT,
dated as of December 22, 1999 (this "Amendment"), among York International
                                     ---------
Corporation ("York"), Asset Securitization Cooperative Corporation ("ASCC") and
              ----                                                   ----
Canadian Imperial Bank of Commerce ("CIBC").  Unless otherwise defined herein,
                                     ----
the capitalized terms used herein shall have the meanings assigned to them in
the Receivables Sale Agreement referred to below.

          WHEREAS, York, ASCC and CIBC are party to that certain Amended and
Restated Receivables Sale Agreement, dated as of March 26, 1997, as amended (as
so amended, the "Receivables Sale Agreement"), pursuant to which York, as
                 --------------------------
seller, has sold to ASCC Ownership Interests in certain Receivables generated by
York and in the Seller's Interest;

          WHEREAS, the parties hereto wish to amend the Receivables Sale
Agreement in the manner and on the terms and conditions set forth herein.

          NOW, THEREFORE, in consideration of the foregoing and of the mutual
covenants herein contained, the parties hereto agree as follows:

SECTION 1.  DEFINED TERMS.

          "Effective Date" means the first date on which (i) each of the parties
hereto shall have executed and delivered one or more counterparts of this
Amendment, (ii) ASCC shall have received a fee equal to $15,000, and (iii) the
conditions precedent set forth in Section 3 have been satisfied.

SECTION 2.  AMENDMENTS OF THE RECEIVABLES SALE AGREEMENT.

        (a)  Amendment of Article I.
             -----------------------
             (i)  The definition "Aggregate Investment" is hereby deleted in its
        entirety.

             (ii) Clause (ii) of the definition "Default Ratio" is hereby
        amended to read in its entirety as follows:

                  (ii) the aggregate outstanding balance of all Receivables of
                  such Division that were unpaid for more than 60 days and less
                  than 91 days, in the case of the York Divisions, or for more
                  than 90 days, in the case of Bristol, past the dates on which
                  they were due as of the end of the month most recently
                  completed, and

             (iii) Clause (1) of the definition "Defaulted Receivable" is
        hereby amended by inserting the words "or the York Division, as the case
        may be," after the word "Division".
<PAGE>

             (iv) Clause (2) of the definition "Dilutions" is hereby amended by
        inserting the words "or the York Division, as the case may be," after
        the word "Division".

             (v)  Clause (6) of the definition "Eligible Receivable" is hereby
        amended by inserting the words "or the York Division, as the case may
        be" after the word "Division".

             (vi) Clause (18) of the definition "Eligible Receivable" is hereby
        amended by inserting the words "or the York Division, as the case may
        be," after the word "Division".

             (vii)  Clause (19) of the definition "Eligible Receivable" is
        hereby amended by inserting the words "or the York Division, as the case
        may be" after the word "Division".

             (viii) The definition "Division" is hereby amended to read in its
        entirety as follows:

                    "Division" means the York Divisions (in the aggregate) and,
                     --------
               for the purposes of this Agreement, Bristol.  Each reference in
               this Agreement to a Division, insofar as such reference is to
               Bristol, shall, where appropriate, be deemed to be a reference to
               the Seller as the owner of the Seller's Interest.

             (ix) Clause (1) of the definition "Eligible Receivable" is hereby
        amended by deleting the number "91" contained therein and substituting
        in replacement thereof the number "60".

             (x) Clause (2)(a) of the definition "Eligible Receivable" is hereby
        amended by deleting the number "30" contained therein and substituting
        in replacement thereof the number "90".

             (xi) Clause (2)(b) of the definition "Eligible Receivable" is
        hereby amended to read in its entirety as follows:

               (b) if such Receivable was generated by UPG, within 360 days
               after the billing date thereof, provided, that, if such
                                               --------
               Receivable is required to be paid in full on a date greater than
               180 days after the billing date thereof, the payment of the
               outstanding balance thereof is insured under an insurance policy
               acceptable to the Purchaser issued by an insurance provider whose
               claims-paying ability is rated at least AA by Standard & Poor's
               or the equivalent thereof by a nationally recognized rating
               agency acceptable to the Purchaser and with respect to which the
               Purchaser is named as loss payee thereof

             (xii)  The definition "Foreign Concentration Limit" is hereby
        amended to read in its entirety as follows:
<PAGE>

                    "Foreign Concentration Limit" means, with respect to all
                     ---------------------------
               Receivables owing to the York Divisions from all Obligors which
               are not U.S. residents or Canadian residents, an amount equal to
               the lesser of (x) 10% of the Investment at the time of
               determination of the Foreign Concentration Limit and (y)
               $17,500,000, reduced by the lesser of (i) the "Foreign
               Concentration Limit" (as defined in the Transfer Agreement) and
               (ii) the outstanding balance of all Foreign Receivables in the
               "Receivables Pool" (as defined in the Transfer Agreement);
               provided, that the Purchaser may, at any time and from time to
               --------
               time in its sole discretion, reduce or increase the Foreign
               Concentration Limit effective immediately upon the delivery of a
               notice to the Seller.

             (xiii)  Clause (y) of the definition "Historical Default Ratio" is
        hereby amended to read in its entirety as follows:

               (y) the aggregate outstanding balance of all Receivables of such
               Division that were unpaid for more than 60 days and less than 91
               days, in the case of the York Divisions, or for more than 90
               days, in the case of Bristol, past the dates on which they were
               due as at the end of each such full fiscal month of the Seller by

             (xiv)  The definition "Overextended Division" is hereby deleted in
        its entirety.

             (xv) The definition "Purchase Limit" is hereby amended to read in
        its entirety as follows:

                    "Purchase Limit" means, at any time of determination, for
                     --------------
               all Divisions in the aggregate, an amount equal to $175,000,000.

             (xvi)  Clause (i) of the definition "Receivables Pool" is hereby
        amended to read in its entirety as follows:

               (i) with respect to the York Divisions, the aggregation of each
               then outstanding Receivable of the York Divisions with respect to
               which the Purchaser has purchased an Ownership Interest and

             (xvii)  Clause (A) of paragraph (2) of the definition "Reserve" is
        hereby amended to read in its entirety as follows:

               (A) Receivables of such Division which, as at the end of each
               such month, were unpaid for more than 60 days and less than 91
               days, in the case of the York Divisions, or for more than 90
               days, in the case of Bristol, past the date on which they were
               due and
<PAGE>

             (xviii)  Paragraph (4) of the definition "Reserve" is hereby
        amended by deleting the percentage "4.28%" contained therein and
        substituting in replacement thereof the percentage "4.31%" and by
        amending clause (b) to read in its entirety as follows:

               (b) (i) .5833 with respect to the York Divisions and (ii) .2833
               with respect to Bristol.

             (xix)  The definition "Selling Division" is hereby deleted in its
        entirety.

             (xx) The definition "Standard Concentration Limit" is hereby
        amended to read in its entirety as follows:

                    "Standard Concentration Limit" means, (i) with respect to
                     ----------------------------
               all of the Receivables of any Division owing from a single
               Obligor (except for an Obligor listed on Exhibit A) together with
               Receivables owing from its Affiliates or subsidiaries, an amount
               equal to the lesser of (i) 3% of the Investment at the time of
               determination of the Standard Concentration Limit and (ii)
               $5,250,000; provided, that the Purchaser may, at any time in its
               discretion, reduce or increase the Standard Concentration Limit
               for any Obligor through the delivery of a notice to the Seller.

             (xxi)  The definition "Unutilized Purchase Limit" is hereby amended
        by deleting the dollar amount "$150,000,000" and substituting in
        replacement thereof the dollar amount "$175,000,000".

             (xxii)  Article I of the Receivables Sale Agreement is hereby
        amended by adding the following definition in proper alphabetical
        sequence:

                    "York Divisions" means each of Applied, UPG and Frick.
                     --------------

        (b)  Amendment of Article III.
             -------------------------

             (i)  Section 3.1(a) is hereby amended to read in its entirety as
        follows:

                    (a) When the Purchaser accepts an offer from the Seller to
               purchase an interest in (i) Receivables of the York Divisions or
               (ii) the Seller's Interest, the Purchaser shall have acquired, in
               exchange for the purchase price paid, an undivided percentage
               ownership interest in (i) the Receivables Pool of the York
               Divisions and any Collections relating thereto or (ii) the
               Seller's Interest, as the case may be.  Each such undivided
               percentage interest of the Purchaser shall be referred to in this
               Agreement as an "Ownership Interest".  The Ownership Interest
               with respect to the Receivables Pool of the York Divisions shall
               at any time, except as provided in paragraphs (b) and (c) of this
               Section, be equal to the following fraction (expressed as a
               percentage):
<PAGE>

             (ii) The term "R" in Section 3.1(a) is hereby amended by deleting
        the words "such Division" and substituting in replacement thereof the
        words "the York Divisions".

             (iii)  Clause (I) of the term "ER" in Section 3.1(a) is hereby
        amended by deleting the words "each Division (other than Bristol)" and
        substituting in replacement thereof the words "the York Divisions".

             (iv) Clauses (iv) and (v) of the term "ER" in Section 3.1(a) is
        hereby amended to read in its entirety as follows:

               (iv) with respect to Eligible Receivables generated by Applied,
               the positive result of (A) the aggregate amount by which the
               outstanding balance of all such Eligible Receivables not required
               to be paid in full until a date between thirty-one days and
               ninety days, inclusive, after the billing date thereof exceeds
               the product of (1) 5% and (2) the Investment at such time, less
                                                                          ----
               (B) the amount, if any, determined in clause (i) hereof with
               respect to each Obligor described therein which is an Obligor of
               a Receivable described in this clause; (v) with respect to
               Eligible Receivables generated by UPG, the positive result of (A)
               the aggregate amount by which the outstanding balance of all such
               Eligible Receivables not required to be paid in full until a date
               between sixty-one days and one hundred eighty days, inclusive,
               after the billing date thereof exceeds the product of (1) 10% and
               (2) the Investment at such time, less (B) the amount, if any,
                                                ----
               determined in clause (i) hereof with respect to each Obligor
               described therein which is an Obligor of a Receivable described
               in this clause; and (vi) with respect to Eligible Receivables
               generated by UPG, the positive result of (A) the aggregate amount
               by which the outstanding balance of all such Eligible Receivables
               not required to be paid in full until a date between one hundred
               eighty-one days and three hundred and sixty days, inclusive,
               after the billing date thereof exceeds the product of (1) 15% and
               (2) the Investment at such time, less (B) the amount, if any,
                                                ----
               determined in clause (i) hereof with respect to each Obligor
               described therein which is an Obligor of a Receivable described
               in this clause;

             (v)  Clause (i) of the last paragraph of Section 3.1(a) is hereby
        amended to read in its entirety as follows:

               (i) with respect to the York Divisions, the value of Investment
               with respect to the Receivables Pool of the York Divisions,
               Reserve with respect to the York Divisions, Eligible Receivables
               (as so reduced) in such Receivables Pool, Standard Concentration
               Limit or Special Concentration Limit with respect to any Obligor,
               Foreign Concentration Limit, Government Concentration Limit or
               Dilution Percentage with respect to the York Divisions and
<PAGE>

             (vi) Section 3.1(b) is hereby amended to read in its entirety as
        follows:

                    (b) During any period when the Investment is being reduced,
               the Ownership Interest in both the Receivables of the York
               Divisions and the Seller's Interest will remain fixed at the
               percentage in effect as of the date immediately preceding the
               commencement of that period and the Purchaser shall cease
               acquiring an interest in any such Receivables, Seller's Interest
               or Collections thereon arising during such period.

             (vii)  Section 3.1(c) is hereby amended by deleting the words "each
        Division" in the first and second sentences thereof and substituting in
        replacement thereof the words "the York Divisions".

             (viii)  Section 3.1(e) is hereby amended by deleting the words "all
        Receivables Pools of the Divisions" and substituting in replacement
        thereof the words "the Receivables Pool of the York Divisions".

             (ix) Section 3.2 is hereby amended to read in its entirety as
        follows:

                    Section 3.2  Frequency of Determining Ownership Interest.
                                 -------------------------------------------
               The Collection Agent shall determine or be deemed to determine
               the Ownership Interest in the Receivables Pool of the York
               Divisions and the Seller's Interest daily, and shall report it to
               the Servicing Agent at the following times only:

               (a)  on the date of an Initial Purchase from the Seller;

               (b)  on each Settlement Date;

               (c)  on the date of an Incremental Purchase from the Seller;

               (d)  on the Business Day immediately preceding any period during
                    which the Investment is being reduced;

               (e)  on the Business Day on which the ceases being reduced;

               (f)  when the Collection Agent has reason to believe that the
                    Maximum Ownership Interest has been exceeded; and

               (g)  at the request of the Purchaser.

             (x)  Section 3.3 is hereby amended to read in its entirety as
        follows:

                    Section 3.3  Maximum Ownership Interest.
                                 --------------------------

                    (a) If, on any day (after giving effect to Collections and
               the generation of new Receivables with respect to the Receivables
               Pool of the
<PAGE>

               York Divisions on such day), the Ownership Interest
               in such Receivables Pool would exceed the Maximum Ownership
               Interest, the Purchaser shall cease making Reinvestment Purchases
               and the Collection Agent shall remit to the Purchaser on a daily
               basis all Collections attributable to such Ownership Interest
               (net of amounts distributed or to be distributed pursuant to
               Sections 7.2.2(a) and 7.2(b)(i)) as a reduction to its Investment
               until the Purchaser has received an amount sufficient to reduce
               such Ownership Interest to the Maximum Ownership Interest.  The
               Seller shall remit to the Purchaser in reduction of its
               Investment any payment made by the Purchaser to the Seller on
               account of Reinvestment Purchases to the extent the Ownership
               Interest exceeded the Maximum Ownership Interest at the time the
               Seller received any such Reinvestment Purchase payment.

                    (b) If, on any day (after giving effect to Collections and
               the increase in the Seller's "Investment" (as defined in the
               Transfer Agreement) in Bristol's Receivables  pursuant to the
               Transfer Agreement), the Ownership Interest with respect to the
               Seller's Interest would exceed the Maximum Ownership Interest,
               the Purchaser shall cease making Reinvestment Purchases and the
               Collection Agent shall remit to the Purchaser on a daily basis
               all Collections attributable to such Ownership Interest (net of
               amounts distributed or to be distributed pursuant to Sections
               7.2.2(a) and 7.2(b)(i)) as a reduction to its Investment until
               the Purchaser has received an amount sufficient to reduce such
               Ownership Interest to the Maximum Ownership Interest.  The Seller
               shall remit to the Purchaser in reduction of its Investment any
               payment made by the Purchaser to the Seller on account of
               Reinvestment Purchases to the extent the Ownership Interest
               exceeded the Maximum Ownership Interest at the time the Seller
               received any such Reinvestment Purchase payment.

        (c)  Amendment of Article IV.
             ------------------------

             (i)  Section 4.1(a) is hereby amended by deleting the words "(other
        than Incremental Purchases deemed made pursuant to Section 3.3(a))" in
        clause (i) thereof.

             (ii) Section 4.1(b) is hereby amended by to read in its entirety as
        follows:

                    (b) for a Reinvestment Purchase in Eligible Receivables or
               in the Seller's Interest, the positive result of (i) the product
               of (A) the dollar amount of the Collections received on account
               of Pool Receivables of the related Division on the date of such
               Purchase and (B) the Ownership Interest with respect to such
               Division on that date, less (ii) any fees payable under Section
               7.2.2(b)(i);

               provided, that the payment of any amount described in (a) or (b)
               --------
               above would not cause (and such amount shall be reduced so as not
               to cause) either:
<PAGE>

                    (1)  the Investment to exceed the Purchase Limit for all
                         Divisions in the aggregate; or

                    (2)  the Ownership Interest in the Receivables Pool of the
                         York Divisions to exceed the Maximum Ownership
                         Interest.

        (d)  Amendment of Article V.
             -----------------------

             (i)  Section 5.2.1 is hereby amended by deleting the words "with
        respect to any Division" contained in the first line of the last
        paragraph thereof.

        (e)  Amendment of Article VI.
             ------------------------

             (i)  Section 6.2(a) is hereby amended by deleting the words ", the
        Division which generated the Receivables which are the subject of the
        Purchase" contained in the second sentence thereof.

             (ii) Section 6.2(b) is hereby amended by deleting clause (ii) in
        its entirety and renumbering clause (iii) as clause (ii).

             (iii)  Section 6.4 is hereby amended to read in its entirety as
        follows:

                    Section 6.4  Condition Precedent to all Incremental
                                 --------------------------------------
               Purchases.  Before the Purchaser will consider making an
               ---------
               Incremental Purchase, the Servicing Agent shall have received, on
               or prior to the date of such Incremental Purchase, all
               Receivables Activity Reports required to be delivered at or prior
               to such date.

        (f)  Amendment of Article VII.
             -------------------------

             (i)  Section 7.1 is hereby amended by deleting the words "with
        respect to any Division" in paragraphs (c) and (d) thereof.

             (ii) Section 7.2.2(b)(ii) is hereby amended to read in its entirety
        as follows:

                    (ii) second,

                         (A)  if Reinvestment Purchases have been suspended, all
                              remaining Collections will be paid to the
                              Purchaser as a return of its Investment; or

                         (B)  if Reinvestment Purchases have not been suspended,
                              all remaining Collections will be paid to the
                              Seller for a Reinvestment Purchase.

        (g)  Amendment of Article VIII.
             --------------------------
<PAGE>

            (i)  Clause (vi) of Section 8.2.1(a) is hereby amended to read in
        its entirety as follows:

               (vi) on any Settlement Date, the Average Maturity with respect to
                    the Receivables Pool of the York Divisions exceeds 131 days
                    or the Receivables Pool of Bristol exceeds 80 days;

        (h)  Amendment of Article X.
             -----------------------

             (i)  Section 10.1(i) is hereby amended by deleting the words "each
        of the Divisions" and substituting in replacement thereof the words "the
        York Divisions".

             (ii) Section 10.1(k) is hereby amended by deleting the words "each
        Division" and substituting in replacement thereof the words "the York
        Divisions".

             (iii)  Section 10.3(f) is hereby amended by deleting the words "a
        Division" at the end thereof and substituting in replacement thereof the
        words "the York Divisions".

             (iv) Section 10.3(g) is hereby amended by deleting the dollar
        amount "$20,000,000" and substituting in replacement thereof the dollar
        amount "$17,500,000".

SECTION 3.  CONDITIONS PRECEDENT

             The occurrence of the Effective Date shall be subject to the
conditions precedent that ASCC and CIBC shall have received the following, each
dated such date, and in form and substance, satisfactory to ASCC and CIBC:

             (i)  A certificate of the Secretary or an Assistant Secretary of
        York certifying as to (1) the incumbency and signatures of its officers
        authorized to sign this Amendment and the other agreements and documents
        to be delivered by it hereunder, (2) its charter (attached and
        appropriately certified by the Secretary of State of its jurisdiction of
        incorporation) and by-laws, and (3) the resolutions of its Board of
        Directors, authorizing this Amendment and the other agreements and
        documents to be delivered by it hereunder and the transactions
        contemplated hereby.

             (ii) A certificate of the chief administrative officer or treasurer
        of York to the effect that, after giving effect to the transactions
        contemplated by this Amendment, (i) the representations and warranties
        contained in Section 9.1 of the Receivables Sale Agreement will be
        correct on and as of the Effective Date as though made by York on and as
        of the Effective Date, provided that all references in such
        representations and warranties to Receivables Sale Agreement shall be
        deemed to refer to the Receivables Sale Agreement as amended hereby, and
        (ii) no event has occurred and is continuing, or would result from the
        transactions contemplated hereby, that constitutes an event described in
        Section 8.2.1(a) of the Receivables Sale Agreement or that would
        constitute such an event but for the requirement that notice be given or
        time elapse or both.
<PAGE>

             (iii)  Such other certificates, documents and opinions as ASCC or
        CIBC may reasonably request.

SECTION 4.  CONDITION SUBSEQUENT

        (a)  York shall, not later than December 28, 1999, deliver to ASCC and
CIBC, a favorable opinion of counsel for York, in form and substance
satisfactory to ASCC and CIBC.

        (b)  The failure of the Seller to comply with the provisions of this
Section 4 shall constitute the occurrence of an event under Section 8.2.1(a) of
the Receivables Sale Agreement with the same force and effect as if such
provisions were set forth therein, and shall entitle ASCC and CIBC to exercise
any and all remedies described in the Receivables Sale Agreement.

SECTION 5.  REPRESENTATIONS AND WARRANTIES.

        York hereby represents and warrants as follows:

        (i)  It is a corporation duly incorporated, validly existing and in good
     standing under the laws of the jurisdiction of its incorporation and is
     duly qualified in good standing as a foreign corporation in each
     jurisdiction where the failure to be so qualified could materially
     adversely affect its ability to perform its obligations hereunder or under
     the Receivables Sale Agreement (as amended hereby).

        (ii) The execution and delivery by it of this Amendment and the
     performance by it of this Amendment and the Receivables Sale Agreement (as
     amended hereby) are within its corporate powers, have been duly authorized
     by all necessary corporate action, do not contravene (1) its charter or by-
     laws or (2) any law or contractual restriction binding on or affecting it,
     and do not and will not result in or require the creation of any lien upon
     or with respect to any of its properties. This Amendment has been duly
     executed and delivered by it.

        (iii)  No authorization or approval or other action by, and no notice to
     or filing with, any governmental authority or regulatory body is required
     for the due execution and delivery by it of this Amendment or the
     performance by it of this Amendment or the Receivables Sale Agreement (as
     amended hereby).

        (iv) This Amendment and the Receivables Sale Agreement (as amended
     hereby) constitute legal, valid and binding obligations, enforceable
     against it in accordance with their respective terms.

        (v)  There is no pending or, to its knowledge, threatened action or
     proceeding affecting it or any of its subsidiaries before any court,
     governmental agency or arbitrator, which could reasonably be expected to
     materially adversely affect (1) its financial condition or operations, or
     (2) its ability to perform its obligations under this Amendment or the
     Receivables Sale Agreement (as amended hereby), or which could affect the
<PAGE>

     legality, validity or enforceability of the Receivables Sale Agreement (as
     amended hereby).

SECTION 6.  EXPENSES.

          York agrees to pay on demand all costs and expenses incurred in
connection with the preparation, execution, delivery, enforcement and
administration of this Amendment and the other documents and agreements to be
delivered hereunder, including, without limitation, the reasonable fees and
disbursements of counsel to ASCC and CIBC.

SECTION 7.  EXECUTION IN COUNTERPARTS.

          This Amendment may be executed in any number of counterparts and by
different parties hereto on separate counterparts, each of which counterparts,
when so executed and delivered, shall be deemed to be an original, and all of
which counterparts, when taken together, shall constitute but one and the same
agreement.

SECTION 8.  GOVERNING LAW.

          THIS AMENDMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH
THE LAWS OF THE STATE OF NEW YORK.

SECTION 9.  SEVERABILITY OF PROVISIONS.

          Any provision of this Amendment which is prohibited or unenforceable
in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent
of such prohibition or unenforceability without invalidating the remaining
provisions hereof or affecting the validity or enforceability of such provision
in any other jurisdiction.

SECTION 10.  CAPTIONS.

          The captions in this Amendment are for convenience of reference only
and shall not define or limit any of the terms or provisions hereof.

SECTION 11.  AGREEMENTS TO REMAIN IN FULL FORCE AND EFFECT.

          (a) This Amendment shall be deemed to be an amendment to the
Receivables Sale Agreement.  All references in the Receivables Sale Agreement to
the term "Aggregate Investment" shall be deemed to be "Investment".  All
references to the Receivables Sale Agreement in any other agreements or document
shall on and after the Effective Date be deemed to refer to the Receivables Sale
Agreement as amended hereby.

          (b) Except as herein amended, all terms, provisions and conditions of
the Receivables Sale Agreement and all documents executed in connection
therewith shall continue in full force and effect and shall remain enforceable
and binding in accordance with their terms.
<PAGE>

SECTION 12.  NO PROCEEDINGS.

          Each of the parties hereto hereby agrees that it will not institute
against, or join any other person, firm, corporation or other entity in
instituting against, ASCC any bankruptcy, reorganization, insolvency or similar
proceeding.
<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be executed as of the date first above written.

                                YORK INTERNATIONAL CORPORATION

                                By:  ____________________________
                                     Name:
                                     Title:

                                ASSET SECURITIZATION COOPERATIVE CORPORATION

                                By:  ____________________________
                                     Name:
                                     Title:

                                CANADIAN IMPERIAL BANK OF COMMERCE

                                By:  ____________________________
                                     Authorized Signatory

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