Document:

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                                                                   Exhibit 10(p)

                              THE DOCUMENT COMPANY
                                      XEROX

                                  CONFIDENTIAL

Xerox Corporation
800 Long Ridge Road
Stamford, CT  06904

Paul A. Allaire
Chairman of the Board

December 4, 2000

Mr. William F. Buehler
535 Smith Ridge Road
New Canaan, CT 06840

Dear Bill:

The purpose of this letter is to summarize the arrangements for your retirement
from Xerox Corporation (the Company) as follows:

     Last day of active employment:       January 15, 2001
     Salary Continuance:                  12 months
                                          January 16, 2001 to January 15, 2002
     Salary Continuance Amount:           $56,250 per month
     Retirement Date:                     January 16, 2002

If you obtain employment as an employee of, or consultant to, another firm or
corporation (other than the Company or an affiliate) that is a direct competitor
of the Company in any business presently engaged in by the Company or in which
the Company as of the date hereof may reasonably be expected to engage in the
future, or is or may become such a competitor indirectly through a partnership,
joint venture or other business arrangement with, or as a supplier or consultant
to, such a direct competitor ("Competitor"), the salary continuance described
above will terminate upon the commencement of such employment. However, if the
Company advises you in writing that in its reasonable judgment such other firm
or corporation is not a Competitor, the remaining salary continuance will
continue to be paid. We will provide notice to you upon your request as to the
competitive nature of a prospective employer.

The Company may also terminate the salary continuance in the event you disclose
confidential business information or if you publicly make any

<PAGE>

derogatory or disparaging statements about the Company, its management or its
business.

If your salary continuance ends pursuant to the preceding paragraphs, your
employment with the Company will terminate on the same date that salary
continuance terminates and any benefits described below or otherwise that are
dependent upon continued employment, including without limitation, continued
vesting of benefits and determination of years of service for retirement, will
also terminate. In addition, stock options both vested and unexercised and
non-vested will be cancelled immediately. As referred to in this letter, your
retirement date means January 16, 2002 or the earlier termination of your salary
continuance pursuant to this paragraph.

BONUS

Your 2000 bonus will be paid in February 2001 based on achievement against
metrics. No bonus will be paid during the time you receive salary continuance.

Summarized below are the relevant provisions that apply to your long-term
incentive awards, profit sharing and savings accounts, pension benefits, life
insurance benefits and other benefits arrangements. In case of inconsistencies
between this summary and the relevant plan, the terms of the plan will govern.

LONG-TERM INCENTIVE AWARDS

<TABLE>
<CAPTION>
Grant         Grant      Amount       Vesting               Payment
Date          Price     Remaining      Date                  Date
<S>         <C>         <C>        <C>              <C>
N/Q Stock Options:

12/31/97    $36.7032    109,634    53,997 (Now)     Options continue to be
(LEEP)                             55,637 on        available as if an active
                                   1/1/2001         employee.
10/12/98    $46.8750     70,128    46,752 (Now)     Options continue to be
(LEEP)                             23,376 on        available as if an active
                                   1/1/2001         employee.
12/7/98     $54.8594    104,440    52,220 (Now)     Options continue to be
(LEEP)                             52,220 on        available as if an active
                                   1/1/2001         employee.
1/1/99      $59.4375      2,154    718 (Now)        All vested options remain
(Profit                            718 on 1/1/2001  exercisable for 12 months
Sharing)                                            following retirement date.
                                   718 on 1/1/2002
11/9/99     $25.8125     21,563    21,563 on        Options will vest as
(SO Bonus)                         3/1/2003         indicated for retirees
                                                    and the exercise period
                                                    will be until 12/31/09.
2/7/2000    $21.7812     50,000    50,000 on        Options not vested at
(CEO                               1/1/2005         time of retirement are
Challenge)                                          cancelled.
5/18/00     $27.0000    100,000    50,000 on        Options continue to be
(Non-trad                          1/1/2001         available as if an active
NQ)                                50,000 on        employee.
                                   1/1/2002
</TABLE>

<PAGE>

<TABLE>
<S>         <C>         <C>        <C>              <C>
    Total               457,919

Incentive Stock Rights

10/13/97                 20,000    20,000 on
                                   10/13/2001

12/31/97                 15,896    15,896 on        ISRs vest if EPS targets
(LEEP)                             3/1/2001         are met.
12/7/98                  10,444    10,444 on        ISRs vest if EPS targets
(LEEP)                             3/1/2001         are met.
5/18/00                  30,000    15,000 on
(Special ISR)                      1/1/2001
                                   15,000 on

                                   1/1/2002

    Total               76,340
</TABLE>

PROFIT SHARING AND SAVINGS ACCOUNTS

As you know, under relevant plan provisions, you have choices available
regarding the continued investment of your account balances and the time and
form of distribution. Please refer to You and Xerox: Wealthwise for a
description. A determination of your account balances will be done at
retirement.

EMPLOYEE STOCK OWNERSHIP PLAN (ESOP)

Upon retirement, your ESOP account can be taken as cash, in stock, or rolled
over to the Xerox 401(k) savings plan. A determination of your final plan
benefit will be done at retirement.

PENSION BENEFITS

Effective on your retirement date, you will become a retiree of Xerox. As a
retiree, you will receive pension benefits accrued in the Retirement Income
Guarantee Plan (RIGP).

In addition to your vested RIGP benefit, you will receive a benefit under the
Supplemental Executive Retirement Plan (SERP), which as you know, will allow you
to begin to receive retirement income benefits unreduced for age and will be
offset by your RIGP benefits. This benefit will commence on your retirement
date, and will be paid in monthly installments reflecting your survivor
election. This benefit is unfunded and is not tax qualified.

In addition to RIGP and SERP benefits you will receive a retirement supplement
approved by the ECBC and communicated to you last November. It will provide the
equivalent of $75K per year and will be paid in 3 equal installments of $280,746
beginning 1/1/02. You can elect a single lump sum payment ($842,238) of this
part of your retirement benefits if you make that election prior to December 31,
2001.

MEDICAL BENEFITS

As a retiree, you are eligible to receive medical coverage under Xerox Retiree
Flex. This program will include, among other things, coordination of benefits if
you are covered by more than one plan including Medicare. As you get closer to
your retirement date, an information package will be sent to you

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from United HealthCare.

LIFE INSURANCE

Your Contributory Life Insurance coverage of $1,500,000 will continue during
your salary continuance period. During this period, both you and the Company
will continue to share in the cost of premiums according to the original plan
agreement. In the event of your death during salary continuance, salary would
cease and your beneficiaries will, subject to applicable plan provisions receive
the proceeds of your life insurance coverage. Additional information will be
sent to you from LongMiller, our consultants for this program.

DEFERRED COMPENSATION PLAN

Your deferred compensation accounts will be paid out according to the terms of
your prior elections following retirement.

OTHER ARRANGEMENTS

You will be paid for any accrued and unused vacation upon commencement of salary
continuance. You will not accrue any further vacation.

Your company financial counseling program will be continued through the end of
2002.

Tax preparation will be extended through 2002 for the 2001 tax year.

When salary continuance begins, you will not be entitled to any future Executive
Expense Allowance payments.

INDEMNITY

You will be entitled to be indemnified with respect to all periods of your
service as a director or officer of the Company or any of its subsidiaries in
accordance with 1) the provisions of Sections 721 through 725 of the Business
Corporation Law of the State of New York, 2) Section 2 of Article VIII of the
by-laws of the Company as in effect on the date hereof and 3) the Company
directors and officers liability insurance policies with Federal Insurance
Company, National Union Fire Insurance Company Of Pittsburgh P.A., Reliance
Insurance Company, Chubb Atlantic Ltd., Gulf Insurance Company and A.C.E
Insurance Company, Ltd., or any successor insurance company.

RELEASE

This agreement shall not become effective until you execute and delivery to the
Company the release in the form attached.

COOPERATION IN LITIGATION

You will cooperate fully with the Company and its counsel in any litigation that
arises out of or is related to your service with the Company or any of its
subsidiaries, or in which you are named as a party. That cooperation includes
making yourself available for reasonable periods of time for consultation with
the Company's counsel in any such litigation and to testify in such litigation
at the Company's expense for travel and lodging, if required.

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Margie Filter will contact you regarding your resignation as a Corporate Officer
and Vice Chairman of the Board of Directors.

Bill, if you have any questions on the above, please call me or Pat Nazemetz at
(203) 968-3158. Otherwise, please sign this letter and return it to me.

Sincerely,

/s/ Paul A. Allaire

Paul A. Allaire
PAA/bjf

Attachment

Copies:

HJMotroni
PMNazemetz
RLStrahota

                                               AGREED AND ACCEPTED

                                               /s/ W. F. Buehler
                                               William F. Buehler

                                               Date: 12/8/00<PAGE>

                                                                   Exhibit 10(s)

                             THE DOCUMENT COMPANY
                                     XEROX

                                 CONFIDENTIAL

Xerox Corporation
800 Long Ridge Road
Stamford, CT 06904

Anne M. Mulcahy
President and Chief Operating Officer

April 2, 2001

Mr. Carlos Pascual
7 Ridge Road
Weston, CT 06883

Dear Carlos:

This letter will summarize our understanding and agreement regarding your
employment status. I appreciate your agreement to remain employed at Xerox
Corporation ("Xerox" or the "Company") until the end of 2002. I am counting on
your support to help us during this turnaround period.

I know your pension and other aspects of your pay have been of concern to you. I
have received Executive Compensation and Benefits Committee approval for the
following actions, assuming you remain employed through 12/31/2002:

At the earliest possible date, Xerox will direct Xerox Spain to move to
"externalize" your Spanish pension in a manner consistent with proposed Spanish
law requirements. For purposes of this agreement, "externalization" of the
Spanish pension plans refers to actions taken by Xerox in Spain under Spanish
legislation which results, inter alia, in the complete segregation of pension
assets for the benefit of plan beneficiaries and the denial of any creditor
access to such plan assets unless and until all plan liabilities are settled.
You will sign documents as may be necessary to enable vesting at age 60 and
benefits payments beginning at age 60. Your benefits will be based on your
Notional Salary in Spanish Pasetas at the time of "externalization" updated by
the Company's actuary with the general rules applied to the participants of the
Xerox Spain Pension Fund.

To the extent "externalization" results in an imposition of U.S. Tax to you,
Xerox will indemnify you for the actual amount of such tax arising from the
"externalization" of your Spanish pension for the period ending 12/31/2006. For
purposes of this Agreement, 'Tax" shall be: (i) the incremental amount of U.S.
and state individual income taxes (including any penalties or interest) net of
any foreign tax credit you actually receive in Spain or any other foreign
jurisdiction for such Tax (ii) plus a gross-up amount in an amount that makes
you economically whole on an after-tax basis. For the sake of clarity it is
understood between the parties hereto that the Tax shall be calculated by
comparing the Tax you would owe with the inclusion of your Spanish pension
versus the Tax you would owe without inclusion of your Spanish pension. The
calculation of Tax shall be made by tax advisors

<PAGE>

acceptable to the Company. You agree that you will cooperate with the Company
and its advisors in order to determine the proper amount of Tax. Such
cooperation shall include but not be limited to; providing Xerox with copies of
all your relevant tax returns plus any relevant correspondence from the
appropriate taxing jurisdictions and; instructing your advisors to cooperate
with Xerox including sharing copies of all their relevant tax workpapers. You
will be responsible for payment of taxes in Spain, or other jurisdictions. You
will be responsible for any U.S. tax payments after 12/31/2006. Xerox shall have
the right to contest any imposition with the Internal Revenue Service and/or the
appropriate state taxing jurisdiction ("Contest"). Xerox shall control such
Contest. No payment of Tax will be due until the conclusion of the Contest. You
will, and you will instruct your tax advisors, to cooperate with Xerox in a
Contest.

Following the completion of your active employment on 12/31/2002, the Company
will provide relocation assistance per the terms of the Transferred Relocation
policy, at a cost not to exceed $100,000, and you will remain as an employee of
Xerox Espana, S.A. on salary continuance for the three-year period ending
12/31/2005. Your retirement will be effective 1/1/2006. Your rate of salary paid
during salary continuance will be Pesetas 4,389,600 per month for 36 months,
less applicable taxes. You agree to waive any other severance benefits that you
otherwise may be eligible to receive. If you cannot waive rights to any
additional severance benefit, the amount of salary continuance shall be reduced
by an amount equal to the other amounts payable. Required withholding taxes will
be taken out of all such payments and reported on the appropriate Form W-2 or
Form 1099.

During salary continuation, you will remain as Chairman of Xerox Espana, S.A. at
the discretion of the CEO of Xerox Corporation.

Salary continuance will be conditioned upon your signing a General Release
acceptable to the Company prior to the commencement of salary continuance.

You agree that your awards under the New LEEP program granted effective on
1/1/2001 and to be granted effective on 1/1/2002 will vest 100% on 1/1/2007
notwithstanding any other terms or provisions of the award. You agree that these
awards will be forfeited in their entirety if the Company is required to make
tax reimbursement and related payments in excess of the Value of the New LEEP
awards as a result of U.S. taxation of your Spanish pension. If the tax
reimbursement and related payments made by the Company are less than the Value
of your New LEEP awards, you will continue to vest, per the terms of the awards,
in that portion of the New LEEP awards that the Value exceeds the amount of tax
reimbursement and related payments made by the Company. For purposes of this
paragraph, Value means an amount equal to the sum of the following:

  - Number of shares of restricted stock granted to you under the New LEEP
program times the Fair Market Value of each share on 1/1/2007, or any earlier
vesting date; and

  - An amount equal to the total spread (the Fair Market Value of Xerox stock as
of 1/1/2007, or any earlier vesting date, less the option Purchase Price) on the
stock options awarded to you under the New LEEP program.

 .   You will not be eligible for a New LEEP award in 2003.

<PAGE>

Should you leave the Company's employment for any reason other than death or
under circumstances which would give you the right to receive severance payments
under the Severance Agreement between you and the Company dated as of October
15, 2000 prior to 12/31/2002:

  - Unless the CEO authorizes (subject to ECBC approval) continuation of vesting
in some or all LEEP awards granted 1/1/2001 and 1/1/2002 they will immediately
cancel;

  - You will not be eligible for any salary continuance or other termination
benefits whatsoever;

  - The Company's promise to reimburse you for any U.S. tax on your Spanish
pension will immediately expire; and

  - You will immediately reimburse the Company for any tax related payments made
to you with respect to your Spanish pension.

This letter agreement supersedes and replaces the letter agreement dated
December 21, 2000.

Sincerely,

/s/ ANNE M. MULCAHY

Anne M. Mulcahy

AMM/pba
                                        AGREED AND ACCEPTED

                                        /s/ Carlos Pascual
                                        -------------------------
                                        Carlos Pascual

                                        Date:

Copies:
-------

HJMotroni
PMNazemetz
RLStrahota

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