Exhibit 10.2.6




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TRANSITION COORDINATION PLAN
 nd CANADIAN LNP CONSORTIUM INC., NEUSTAR, INC.,
 RECITALS
 WHEREAS
 AND WHEREAS,
 AND WHEREAS
 NOW, THEREFORE,
 DEFINITIONS
  AGREEMENT
 ARTICLE 1
INCORPORATION OF ARTICLE 24 OF THE SERVICE AGREEMENT
 1.1
    
    In accordance with and pursuant to Section 24.3 of the Service Agreement, the provisions of
Sections 24.2, 24.3 and 24.4 of the Service Agreement are hereby incorporated by reference
into this Plan, with full force and effect as if repeated in their entirety herein, mutatis
mutandis;it being understood and agreed by the parties that Sections 24.2, 24.3 and 24.4 of
the Service Agreement shall have the same force and effect in this Plan as if they had been
written in full in this Plan. Notwithstanding anything herein to the contrary, any conflict or
ambiguity between the Services Agreement and this Plan shall be resolved in favor of the
Services Agreement; it being understood that
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the purpose for Section 24.3 of the Service Agreement to require the development of this Plan
is to recite, in one document, the current, material provisions concerning the transition of
the Canadian NPAC/SMS and elaborate on certain of the obligations set forth in Article 24 of
the Service Agreement.
 ARTICLE 2
OPERATION OF THE PLAN
 2.1
    
    The parties acknowledge and agree:
 (a)
    
    In respect of the Contractors obligation to provide Transition Services as
described in Section 24.2 of the Service Agreement, upon the occurrence of a Termination
Event (other than a Termination Event under Sections 23.1(c), (d) or (e), or Article 12
of the Service Agreement) or Non-Renewal, and in each case, upon Customers request in
lieu of being granted a license under Article 9 of the Service Agreement, the Contractor
shall:
 (i)
    
    extend the Service Agreement with Customer for a period the last day of
which shall not extend beyond the earlier of:
 (A)
    
    the date that Customer completes its transition to a
Successor Contractor for the provision of NPAC/SMS in the Canadian Region; or(B)
    
    the date that is eighteen (18) months after: (a) in the case
of a Termination Event, the date notice of termination is given by Customer;
or (b) in the case of Non-Renewal, the date the notice of Non-Renewal is given
or received, as applicable, by Customer;
 (ii)
    
    provide such extension at a price and Service Levels in effect on the
date of termination or expiration of the Service Agreement, as applicable, as
adjusted pursuant to Section 6.1 of the Service Agreement if such extension extends
beyond the Initial Term;(iii)
    
    upon any such extension, provide any Transition Services (as defined
below) requested by Customer; provided that:
 (A)
    
    Contractor shall be paid for such services at reasonable
rates, consistent with the charges underlying the Pricing Schedules set forth
in Exhibit E of the Service Agreement; and(B)
    
    Contractor shall have no obligation to perform any such
Transition Services under Section 24.2 of the Service Agreement after the end
of the extension period.
 (b)
    
    In respect of the obligations of the Contractor to provide Transition Services
during any extension period as described in Section 24.2 of the Service Agreement,
notwithstanding anything to the contrary above, the Customer shall:
 (i)
    
    use diligent efforts to transition to a Successor Contractor beginning
no later than:
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(A)
    
    in the case of a Termination Event, the date it gives a notice of
termination of this Agreement; or(B)
    
    in the case of Non-Renewal, the date it gives or receives, as
applicable, the notice of Non-Renewal.
 (c)
    
    EXTENSION PERIOD, CONTRACTOR TERMINATION EVENT OR CONTRACTOR NON-RENEWAL.
In respect of Contractors obligation to provide transition assistance in the event of a
Contractor Termination Event, or a Contractor Non-Renewal, as described in Section
24.3(a)(i) of the Service Agreement, upon thirty (30) Business Days prior written notice,
at the direction and in the sole and exclusive discretion of Customer, Contractor shall:
 (i)
    
    extend the provision of the Canadian NPAC/SMS and the Canadian NPAC/SMS
Services as directed by Customer for that period of time (the Extension Period)
ending on the earlier of:
 (A)
    
    that date upon which Customer and Users complete transition
to a Successor Contractor for the provision and administration of the Canadian
NPAC/SMS and the Canadian NPAC/SMS Services; and(B)
    
    eight (8) months following:
 (1)
    
    the delivery of the notice of termination in
respect of a Contractor Termination Event, in the case of a Contractor
Termination Event; or(2)
    
    the effective date of the Contractor Non-Renewal,
in the case of a Contractor Non-Renewal;
 (ii)
    
    during any Extension Period contemplated in Section 24.3(a)(i) of the
Service Agreement, ensure that the Canadian NPAC/SMS Services meet or exceed the
Service Levels and otherwise are provided in accordance with the applicable
provisions of the Service Agreement, including, but not limited to, the Service
Levels in effect on the date of such termination or expiration of the Service
Agreement, as applicable;(iii)
    
    without restricting the generality of the foregoing, also provide the
Transition Services contemplated in Section 24.4 of the Service Agreement requested
by Customer; provided that Contractor shall have no obligation to perform any such
Transition Services after the end of the Extension Period.
 (d)
    
    In respect of Contractors obligation to perform the Canadian NPAC/SMS Services
during any Extension Period described in Section 24.3(a)(i) of the Service Agreement,
such obligation shall be subject to Customer using reasonable and diligent efforts to
transition to a Successor Contractor beginning no later than:
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(i)
    
    in the case of a Contractor Termination Event, the date of delivery of the
notice of termination related to the Contractor Termination Event; or(ii)
    
    in the case of a Contractor Non-Renewal, the date of delivery by the
Contractor of the notice of the Contractor Non-Renewal.
 (e)
    
    LICENSING, CONTRACTOR TERMINATION EVENT OR CONTRACTOR NON-RENEWAL. In
respect of Contractors obligation to provide transition assistance in the event of a
Contractor Termination Event, or a Contractor Non-Renewal, as described in Section
24.3(a) of the Service Agreement, the Contractor shall, upon thirty (30) Business Days
prior written notice, at the direction and in the sole and exclusive discretion of the
Customer, license to the Customer the Canadian NPAC/SMS Software as directed by the
Customer in accordance with Article 9 of the Service Agreement and subject to Exhibit L
of the Service Agreement. For greater certainty, the license to the Canadian NPAC/SMS
Software shall be royalty free and shall include:
 (i)
    
    any Maintenance Modifications created by Contractor during the
Extension Period;(ii)
    
    Enhancements that are subject to a continuing payment obligation under
a Statement of Work;(iii)
    
    Enhancements that are not subject to continuing obligations under a
Statement of Work that contain modifications or revisions to the NPAC/SMS Software
to correct defects or are necessary for the day to day functionality of the
NPAC/SMS (when such modifications or revisions were not otherwise made available to
the Customer in a Maintenance Modification or other Enhancement); and(iv)
    
    Enhancements for which the payments have been completed.
 To the extent that the Canadian NPAC/SMS Software that is subject to the license
contains functionality not purchased by Customer, subject to the foregoing provisions
contained in this paragraph, neither Customer, Successor Contractor, nor any User shall
be entitled to use or receive such functionality as part of the license.(f)
    
    EXTENSION PERIOD, CUSTOMER NON-RENEWAL. In respect of the Contractors
obligation to provide transition assistance in the event of a Customer Non-Renewal, as
described in Section 24.3(b)(i) of the Service Agreement, the Contractor shall, upon
thirty (30) Business Days prior written notice, at the direction and in the sole and
exclusive discretion of the Customer:
 (i)
    
    extend the provision of the Canadian NPAC/SMS and the Canadian NPAC/SMS
Services as directed by the Customer for that period of time (also, the Extension
Period) ending on the earlier of:
 (A)
    
    that date upon which Customer and Users complete transition
to a Successor Contractor for the provision and administration of the
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Canadian NPAC/SMS and the Canadian NPAC/SMS Services; and
 (B)
    
    eight (8) months following the effective date of the Customer
Non-Renewal;
 (ii)
    
    during any Extension Period contemplated in Section 24.3(b)(i) of the
Service Agreement, ensure that the Canadian NPAC/SMS Services meet or exceed the
Service Levels and otherwise are provided in accordance with the applicable
provisions of the Service Agreement, including, but not limited to, the Service
Levels in effect on the date of such termination or expiration of the Service
Agreement, as applicable;(iii)
    
    without restricting the generality of the foregoing, also provide the
Transition Services contemplated in Section 24.4 of the Service Agreement requested
by Customer; provided that Contractor shall have no obligation to perform any such
Transition Services after the end of the Extension Period.
 (g)
    
    In respect of Contractors obligation to perform the Canadian NPAC/SMS Services
during any Extension Period described in Section 24.3(b) of the Service Agreement, such
obligation shall be subject to Customer using reasonable and diligent efforts to
transition to a Successor Contractor beginning no later than the date of delivery by
Customer of the notice of the Customer Non-Renewal.(h)
    
    LICENSING, CUSTOMER NON-RENEWAL. In respect of the Contractors obligation
to provide transition assistance in the event of a Customer Non-Renewal, as described in
Section 24.3(b)(ii) of the Service Agreement, the Contractor shall, upon thirty (30)
Business Days prior written notice, at the direction and in the sole and exclusive
discretion of the Customer:
 (i)
    
    license to the Customer the Canadian NPAC/SMS Software as directed by
the Customer in accordance with Article 9 of the Service Agreement and subject to
Exhibit L of the Service Agreement. For greater certainty, the license to the
Canadian NPAC/SMS Software shall be royalty free and shall include:
 (A)
    
    any Maintenance Modifications created by Contractor during
the Extension Period;(B)
    
    Enhancements that are subject to a continuing payment
obligation under a Statement of Work;(C)
    
    Enhancements that are not subject to continuing obligations
under a Statement of Work that contain modifications or revisions to the
NPAC/SMS Software to correct defects or are necessary for the day to day
functionality of the NPAC/SMS (when such modifications or revisions were not
otherwise made available to the Customer in a Maintenance Modification or
other Enhancement); and
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(D)
    
    Enhancements for which the payments have been completed.
 To the extent that the Canadian NPAC/SMS Software that is subject to the license
contains functionality not purchased by Customer, subject to the foregoing
provisions contained in this paragraph, neither Customer, Successor Contractor, nor
any User shall be entitled to use or receive such functionality as part of the
license.
 (i)
    
    TRANSITION SERVICES, TIMING. In respect the obligation of Contractor to
provide Transition Services described in Section 24.4 of the Service Agreement, such
services shall, where requested by Customer, be provided by the Contractor:
 (i)
    
    through any Extension Period under Section 24.2, Section 24.3(a) or
Section 24.3(b) of the Service Agreement, as the case may be; or(ii)
    
    if the Service Agreement is not being extended pursuant to such
Sections of the Service Agreement, a period not to exceed eight (8) months after
the expiration or termination of the Service Agreement.
 (j)
    
    TRANSITION TEAM. In respect of the Transition Team described in Section
24.4 of the Service Agreement, the Transition Team shall:
 (i)
    
    consist of one (1) representative of Customer, and one (1)
representative of Contractor, appointed within ten (10) days of Customers request
for Transition Services;(ii)
    
    jointly deliver a preliminary transition plan within twenty (20) days
following the appointment of the Transition Team;(iii)
    
    jointly produce a final plan within twenty (20) days following the
submission of the preliminary plan. The final plan shall:
 (A)
    
    Set forth the methods and procedures for Customer and
Contractor to manage the Transition Services (collectively, the Transition
Plan). In the event of a failure of agreement, in good faith, on the
Transition Plan, the Transition Plan shall be the plan as reasonably directed
by Customer.
 (iv)
    
    meet no less frequently than monthly, acting reasonably, and shall take
all steps reasonably necessary to facilitate implementation of the Transition Plan,
including meeting by electronic means (including by telephone or other convenient
means of communication) no less than daily for the purpose of reporting on matters
related to the transition described in this Section, including all issues related
thereto.
 (k)
    
    TRANSITION PLAN, PERIODIC REVIEW. In respect of the Transition Team and
Transition Plan described in Section 24.4 of the Service Agreement, the Contractor and
the Customer shall:
 
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(i)
    
    jointly review the status of the Transition Teams efforts and the Services
listed in the Transition Plan on a regular basis, but in no event less frequently
than weekly. If such review indicates that amendments are necessary, and such
proposed amendments are agreeable to both parties, such amendments shall be
executed and implemented.
 (l)
    
    TRANSITION SERVICES, SOFTWARE. In respect of Contractors obligation to
provide Transition Services as described in Section 24.4(a) of the Service Agreement, as
soon as possible but in any event within ten (10) Business Days of a written request for
such by Customer, the Contractor shall:
 (i)
    
    provide Customer with a description, in level of detail determined by
Customer in its discretion acting reasonably, of all hardware, software, and
communications inventories and documentation of operational and procedural
practices required for the orderly transition to a Successor Contractor for the
Canadian NPAC/SMS and Canadian NPAC/SMS Services, in no event in any less detail
than that required of the Contractor under Section 1.1 of Exhibit M (Software
Escrow Agreement). This includes but is not limited to:
 (A)
    
    descriptions of the current and last working versions of the
NPAC/SMS Software in Source Code form (the Source Code Materials);(B)
    
    descriptions of the current and last working versions of the
NPAC/SMS Software in Object Code form;(C)
    
    description of the documentation for the Source Code;(D)
    
    description of the NPAC/SMS Software documentation for the
Object Code;(E)
    
    description of a complete inventory list of all hardware and
third party software;(F)
    
    detailed description of the network architecture used to
operate the NPAC/SMS;(G)
    
    description of all firmware, linking compiling and building
instructions, all embedded programmer comments, all schematics, design
drawings, part lists, third party vendor lists, and any other tools,
materials, verification suites, instructions and, if applicable, documentation
collectively sufficient of themselves to permit the Customer and its licensees
to continue to exercise the rights granted to it by the Service Agreement even
without the Contractors ongoing cooperation; and(H)
    
    description of all NPAC/SMS Software related documentation.
 (m)
    
    TRANSITION SERVICES, INFORMATION. In respect of Contractors obligation to
provide Transition Services as described in Section 24.4(b) of the Service
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Agreement, within five (5) Business Days of a written request for such by Customer,
Contractor shall:
 (i)
    
    provide Customer and/or its designees (including the Successor
Contractor) all information (including all relevant literature, papers and records)
under Contractors possession and control, in a level of detail determined by
Customer in its discretion acting reasonably, necessary to enable Customer and/or
its designees (including the Successor Contractor) to provide the Canadian NPAC/SMS
Services. This information includes, but is not limited to:
 (A)
    
    any specific United States Federal or State Government rules,
requirements, restrictions, regulations or constraints to which Contractor is
subject in providing the NPAC/SMS Services in the Canadian region, including
Transition Services;(B)
    
    any specific Canadian Federal or Provincial Government rules,
requirements, restrictions, regulations or constraints to which Contractor is
subject in providing the NPAC/SMS Services in the Canadian region, including
Transition Services;(C)
    
    any records filed by Contractor with any governmental agency
required in the provision of NPAC/SMS Services in the Canadian region,
including Transition Services; and(D)
    
    all historical data of Customer relating to the provision of
the NPAC/SMS Service in the Canadian region.
 (n)
    
    TRANSITION SERVICES, LICENSES. In respect of the Contractors obligation to
provide Transition Services as described in Section 24.4(c) of the Service Agreement,
within fifteen (15) Business Days of a written request for such by Customer, Contractor
shall:
 (i)
    
    provide commercially reasonable assistance to Customer in obtaining, at
Customers cost, all licenses (and applicable consents, if any) from all applicable
vendors of any Third Party Software necessary for Customer or Successor Contractor
to provide the NPAC/SMS Services, as may be reasonably directed by Customer. This
includes, but is not limited to, the license to Third Party Software described in
Exhibit M to the Service Agreement.
 (o)
    
    TRANSITION SERVICES, THIRD PARTY AGREEMENTS. In respect of Contractors
obligation to provide Transition Services as described in Section 24.4(d) of the Service
Agreement, within fifteen (15) Business Days of a written request for such by the
Customer, Contractor shall:
 (i)
    
    transfer or assign to Customer or the Successor Contractor any third
party agreements (and applicable consents, if any) related to or used by the
Contractor in the delivery of the Services, as reasonably directed by Customer, to
the extent allowed under those third party agreements, unless doing so would have a
materially adverse effect on Contractors
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ability to provide Canadian NPAC/SMS Services as agreed to by the Parties acting
reasonably. This includes but is not limited to:
 (A)
    
    permits;(B)
    
    approvals;(C)
    
    licenses;(D)
    
    contracts; and(E)
    
    consents.
 (ii)
    
    in the case that consent for assignment of a third party agreement
related to or used by the Contractor in the delivery of the Services cannot be
obtained, facilitate the process of re-negotiation of the agreements critical to
the provision of the Canadian NPAC/SMS Service (the Critical Agreements) to allow
for assignment or the negotiation of a different arrangement;(iii)
    
    in the case that consent to assignment of a third party agreement
related to or used by the Contractor in the delivery of the Services cannot be
obtained, maintain such third party agreement for Customers benefit until Customer
or the Successor Contractor can find alternative means to obtain services related
to such third party contracts.
 (p)
    
    TRANSITION SERVICES, CUSTOMER PROPERTY. In respect of the Contractors
obligation to provide Transition Services as described in Section 24.4(e) of the Service
Agreement, as soon as possible but in any event within ten (10) Business Days of a
written request for such by the Customer, the Contractor shall return to Customer
(without retaining copies, except as provided below), unless doing so would have a
materially adverse effect on Contractors ability to provide Canadian NPAC/SMS Services,
as agreed to by the Parties acting reasonably:
 (i)
    
    all software, documentation, procedures, and other information and
materials (including without limitation all tapes, disks, and printed matter)
provided by Customer and Users; and(ii)
    
    the contents of the Canadian NPAC/SMS database, including without
limitation all User Data.
 Notwithstanding the foregoing or anything herein to the contrary, Contractor may retain
copies of financial and billing records for so long as this is required to enable
Contractor to discharge its obligations pursuant to the Service Agreement or hereunder.(q)
    
    TRANSITION SERVICES, TRAINING. In respect of Contractors obligation to
provide Transition Services as described in Section 24.4(f) of the Service Agreement,
Contractor shall:
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(i)
    
    permit Customers representatives to have access at all reasonable times, and
in a manner so as not to interfere with the normal business operations of
Contractor, to all Contractor employees, contractors, and other representatives
necessary to facilitate the transition of the Canadian NPAC/SMS to a Successor
Contractor for the provision of the Services. Without restricting the generality of
the foregoing, at all reasonable times shall mean during ordinary business hours
with ten (10) Business Days prior written notice from Customer (or Contractor, in
the case of Section 2.1(r) herein);(ii)
    
    permit the co-location of Customers representatives with Contractors
representatives who possess the requisite knowledge in relation to the Services;
provided that such Customers representatives shall not include a former Contractor
employee;(iii)
    
    provide Customers representatives with access and entry to premises
with privileges and on terms and conditions customarily available to consultants of
Contractor, including but not limited to:
 (A)
    
    access to the locations, hardware, information systems, and
data located at the premises of Contractor relevant to the Canadian NPAC/SMS
and necessary to manage the Transition Services under the Transition Plan; and(B)
    
    one (1) closed office/meeting room to be located on the same
floor and contiguous with the NPAC/SMS Service provision function of the
Contractor.
 (iv)
    
    inform and train Customers representatives with respect to all
operational issues relevant to the provision of Canadian NPAC/SMS Service; provided
that the Contractor shall not be required to provide such training to
representatives of the Successor Contractor. Without restricting the generality of
the foregoing, the training provided by Contractor shall at minimum meet the level
of training Contractor provides to its own new Employees;(v)
    
    provide to Customer or Customers representatives, on an as-needed
basis (including on a dedicated basis, if required), employees of Contractor with
respect to operational issues relevant to the provision of Canadian NPAC/SMS
Service.
 (r)
    
    TRANSITION SERVICES, CUSTOMERS OBLIGATIONS IN RESPECT OF FACILITY. In
respect of Contractors obligation to provide Transition Services as described in Section
24.4(f) of the Service Agreement, Customer shall:
 (i)
    
    allow Contractor to use, at all reasonable times and at no charge,
those Customer facilities necessary to perform the Transition Services for as long
as Contractor is providing the Transition Services;(ii)
    
    ensure that Customers representatives who are permitted access and
entry onto Contractors premises execute a commercially reasonable
 CONFIDENTIAL
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confidentiality agreement with Contractor prior to the date on which Customers
representatives are granted such access and entry, and comply with any reasonable
Contractor provided workplace rules.
 (s)
    
    TRANSITION SERVICES, POLICIES AND PROCEDURES. In respect of Contractors
obligation to provide Transition Services as described in Section 24.4(g) of the Service
Agreement, as soon as possible but in any event within ten (10) Business Days of a
written request for such by Customer, Contractor shall make available copies of any
policies, procedures and methods of Contractor that have been implemented by Contractor
in relation to the provision of Canadian NPAC/SMS Services; provided that Contractor
shall not be required to divulge any of its financial or other proprietary or
Confidential Information, including when such information is contained in its books and
records, or any other information relating to Contractors management of its business. To
the extent any such policies, procedures and methods are not in writing, Contractor shall
use its reasonable best efforts to impart such policies, procedures and methods verbally
during any Extension Period.(t)
    
    TRANSITION SERVICES, GOOD FAITH COOPERATION. In respect of Contractors
obligation to provide Transition Services as described in Section 24.4(h) of the Service
Agreement, in addition to the discharge of the obligations contained herein, Contractor
shall cooperate in good faith with the Successor Contractor in relation to the Transition
Services.(u)
    
    TRANSITION SERVICES, ACKNOWLEDGEMENT OF TRANSITION. In respect of
Contractors obligation to provide Transition Services as described in Section 24.4(h) of
the Service Agreement, Contractor hereby acknowledges and agrees that the performance of
the Transition Services will transition the Canadian NPAC/SMS, and the provision of
Canadian NPAC/SMS Services, to a Successor Contractor.(v)
    
    TRANSITION SERVICES, LIMITATION OF CONTRACTORS OBLIGATION. In respect of
Contractors obligation to provide Transition Services as described in Section 24.4(h) of
the Service Agreement, notwithstanding the foregoing, Contractor shall not be obligated
to disclose any information, whether Confidential Information or otherwise, or provide
access to Contractors facilities, locations, information systems, data, or personnel to
a Successor Contractor beyond that specified herein as part of the Transition Services.
Unless required to be provided as part of the Transition Services (including the
provision of any on-going Canadian NPAC/SMS Services by Customer or a Successor
Contractor arising from the Transition Services), Customer shall not disclose any
Contractor Confidential Information, which may include the Master Agreement, and any
Statements of Work or Amendments thereunder, to any third party, including, without
limitation, a Successor Contractor.(w)
    
    TRANSITION SERVICES, COMPENSATION. In respect of Contractors obligation to
provide Transition Services as described in Section 24.4(i) of the Service Agreement,
Contractor shall be compensated for the performance of the Transition Services on a time
and materials basis as described herein:
 (i)
    
    Contractor shall on a monthly basis, invoice Customer:
 
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(A)
    
    its time, in accordance with its published standard labor rates, which
shall, for the purposes hereof, be offered to the Customer at commercially
reasonable rates premised on a base rate of $150 US Dollars per hour; and(B)
    
    materials, at Contractors cost, without administrative or
other markups;
 (ii)
    
    each invoice shall:
 (A)
    
    identify the applicable Transition Services and materials to
which the invoice relates;(B)
    
    provide summary details of the time spent on the applicable
Transition Services;(C)
    
    provide summary details of the fees payable for each such
Transition Service; and(D)
    
    specify the total amount payable and all applicable taxes;
 (iii)
    
    in the case of a Contractor Termination Event, Contractors labor
rates will be subject to a discount of thirty percent (30%);(iv)
    
    in the case of a Contractor Non-Renewal, Contractors labor rates will
be subject to a discount of fifteen percent (15%);(v)
    
    Contractor shall provide Customer with reasonable estimates of time and
materials charges prior to providing Transition Services to Customer;(vi)
    
    within thirty (30) Business Days of receiving the invoice from
Contractor, Customer shall, except in the event of a dispute as contemplated in
Section 2.1(vii), pay to Contractor the amount of the applicable invoice;(vii)
    
    in the event that Customer disputes the amount of any invoice or
portion thereof, the dispute shall be resolved as follows:
 (A)
    
    within thirty (30) Business Days of receiving the invoice,
Customer shall pay the undisputed portion of such invoice and shall send to
Contractor along with such payment a written notice of the dispute in detail
and with supporting documentary evidence sufficient to provide Contractor with
the nature and amount of any such dispute;(B)
    
    within ten (10) Business Days of Contractors receipt of such
notice, and for a period of fifteen (15) Business Days, Contractor shall make
available to Customer or its designee, during normal business hours at a
location designated by Contractor, all documentation in the possession of
Contractor or a Contractor Affiliate reasonably necessary to enable Customer
to review the
 CONFIDENTIAL
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invoice, the data on which it was based and the methods by which amounts due
were computed or determined;
 (C)
    
    if, upon completion of such review, Contractor and Customer
are not in agreement as to the amount of the invoice, the dispute shall be
subject to the arbitration rights provided in Section 26.2 of the Services
Agreement; and(D)
    
    such amount shall be paid by Customer to Contractor within
five (5) Business Days of notification to Customer of such amount.
 ARTICLE 3
GENERAL
 3.1
    
    Contractor shall execute any other documents or agreements Customer may reasonably request in
furtherance of the requirements set forth in this Plan.3.2
    
    In addition to the duty of confidentiality contained in the Service Agreement (which
obligations and duties shall survive this Plan), Contractor shall treat all information
relating to the Provision of NPAC/SMS Service, and the information contained in or
transactions contemplated by this Plan as confidential and shall not disclose any such
information to any other person or to otherwise use any information.3.3
    
    Contractor shall not issue any press release or public announcement concerning the
transactions contemplated by this Plan.3.4
    
    This Plan shall be binding upon the parties hereto and their respective successors and
assigns. Contractor shall not assign its rights or obligations in this Plan without the prior
written consent of Customer, which consent shall not be unreasonably withheld or delayed.3.5
    
    This Plan shall not be amended except in writing signed by all of the parties. Wherever
possible, each provision hereof shall be interpreted in such manner as to be effective and
valid under applicable law, but in case any one or more of the provisions contained herein
shall, for any reason, be held to be invalid, illegal or unenforceable in any respect, such
provision shall be ineffective to the extent, but only to the extent, of such invalidity,
illegality or unenforceability without invalidating the remainder of such invalid, illegal or
unenforceable provision or provisions or any other provisions hereof, unless such a
construction would be unreasonable.3.6
    
    Each party shall pay all of its own costs and expenses incident to its negotiation and
execution of this Plan, including all fees and expenses of counsel and accountants.3.7
    
    This Plan may be executed simultaneously in two (2) counterparts, each of which shall be
considered an original instrument, but all of which shall be considered one and the same
agreement, and shall become binding when one or more counterparts have been signed by each of
the parties hereto and delivered to each of the parties.
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3.8
    
    The construction, interpretation and performance of this Plan and all transactions under
it shall be governed by the laws of the Province of Ontario and the laws of Canada applicable
therein, excluding its choice of laws rules. Contractor agrees to submit to the jurisdiction
of any court within the Canadian Region wherein an action is commenced against Customer under
this Plan.3.9
    
    All notices or other communications required or permitted to be given under this Plan shall
be in writing (unless otherwise specifically provided herein) and delivered or addressed to
the Customer and Contractor, along with any and all courtesy copies, as set forth in, and in
accordance with, Article 27.6 of the Services Agreement, as amended.3.10
    
    The Parties hereby agree that this Transition Coordination Plan shall constitute the
Termination Plan defined in Section 24.3 of the Service Agreement.
 IN WITNESS WHEREOF,
 NEUSTAR, INC.
    
    
    
    CANADIAN LNP CONSORTIUM INC.Signature:
    
    /s/ Michael OConnor
    
    
    
    Signature:
    
    /s/ Jacques SarrazinName: MICHAEL OCONNOR
    
    
    
    
    
    Name: JR SARRAZINTitle:   VP-CUSTOMER RELATIONS NSR
    
    
    
    
    
    Title:   PRESIDENTI have authority to bind the Corporation
    
    
    
    I have the authority to bind the Corporation
 CONFIDENTIAL
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