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                                                                   EXHIBIT 10.16

                             CERIDIAN CORPORATION

                         STOCK OPTION AWARD AGREEMENT

                   2001 DIRECTOR PERFORMANCE INCENTIVE PLAN

This Agreement is between Ceridian Corporation, a Delaware corporation (the
"Company"), and ____________ (the "Participant") as of May __, _______ (the
"Date of Grant") pursuant to the 2001 Director Performance Incentive Plan of the
Company (the "Plan") to evidence the granting of an Option to the Participant
pursuant to the Plan. Any capitalized term used and not otherwise defined herein
shall have the same meaning as set forth therein.

1.       Effective as of the Date of Grant, the Company has granted to the
         Participant the option to purchase from the Company, and the Company
         has agreed to sell to the Participant, 4,000 shares of Common Stock at
         a price of $______ per share (the "Option").

2.       Subject to the provisions of paragraph 3, this Option shall become
         exercisable in full on November __, _____ (six months from the Date of
         Grant), and shall become void and expire at midnight (Minneapolis time)
         on the tenth anniversary of the Date of Grant and may not be exercised
         after that time.

3.       If the Participant's service as a director of the Company ceases by
         reason of death or Disability, the Option shall become immediately
         exercisable in full and remain exercisable for the period specified in
         paragraph 2 of this Agreement. If the Participant voluntarily resigns
         from the Board (which does not include the submission of an offer not
         to stand for re-election as a director in accordance with Company
         policies), the Participant shall have three months following the date
         of such cessation of service as a director to exercise this Option (but
         in no event after the time it becomes void and expires as set forth in
         paragraph 2), but only to the extent that the Participant was entitled
         to exercise it as of the date of such cessation. If the Participant's
         service as a director of the Company ceases for any reason other than
         those specified earlier in this paragraph, this Option shall remain
         exercisable until the time it becomes void and expires as set forth in
         paragraph 2, but only to the extent that the Participant was entitled
         to exercise it as of the date of such cessation.

4.       This Option grant and the Option forming a part hereof, shall be
         nontransferable (i.e., it may not be sold, pledged, donated or
         otherwise assigned or transferred) by the Participant, either
         voluntarily or involuntarily, except by will or in accordance with
         applicable laws of descent and distribution. This Option shall be
         exercisable during the Participant's lifetime only by the Participant
         or by the Participant's guardian or other legal representative.

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5.       Any notice of Option exercise must specify the number of shares with
         respect to which the Option is being exercised and be accompanied by
         either (i) payment in full of the purchase price for the shares
         exercised or (ii) a properly completed and executed Broker Exercise
         Notice. The exercise of the Option shall be deemed effective upon
         receipt by the Company (Attn: Corporate Treasury) of such items at its
         headquarters at 3311 East Old Shakopee Road, Minneapolis, MN 55425,
         Facsimile No. 952-853-3932.

6.       In the event of any reorganization, merger, consolidation,
         recapitalization, liquidation, reclassification, stock dividend, stock
         split, combination of shares, rights offering, divestiture or
         extraordinary dividend (including a spin-off) or any other change in
         the corporate structure or shares of the Company, the Committee (or, if
         the Company is not the surviving corporation in any such transaction,
         the board of directors of the surviving corporation) will make
         appropriate adjustments (which determination will be conclusive) as to
         the number and kind of securities or other property (including cash)
         available for issuance or payment under the Plan and, in order to
         prevent dilution or enlargement of the Participant's rights, (a) the
         number and kind of securities or other property (including cash)
         subject to the Option, and (b) the exercise price of the Option.

7.       This Option grant is subject to all of the terms and conditions of the
         Plan and, where any questions or matters of interpretation arise, the
         terms and conditions of the Plan shall control.

8.       Any notice to be given with respect to this Agreement, including
         without limitation a notice of Option exercise, shall be addressed to
         the Company, Attention: Corporate Treasury, at the address listed in
         paragraph 5, and any notice to be given to the Participant shall be
         addressed to the Participant at address given beneath the Participant's
         signature hereto, or at such other address as either party may
         hereafter designate in writing to the other.

IN WITNESS WHEREOF, Ceridian Corporation and the Participant have executed this
Agreement as of the Date of Grant.

CERIDIAN CORPORATION                        PARTICIPANT

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Deputy Secretary                            [Typed name of Participant]

                                            PARTICIPANT'S MAILING ADDRESS

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                                            Social Security Number:
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                                                                   EXHIBIT 10.18

                              CERIDIAN CORPORATION
                            BENEFIT EQUALIZATION PLAN

                         FIRST DECLARATION OF AMENDMENT

Pursuant to the retained power of amendment contained in Section 4.2 of the
Ceridian Corporation Benefit Equalization Plan, the undersigned hereby amends
the Plan in the manner described below.

1.      Section 1.2 of the Plan is amended to read as follows:

        1.2     PURPOSE. The purpose of the Excess Benefit Plan is to ensure
                that Pension Plan participants will not be deprived of benefits
                that would otherwise be payable under the Pension Plan but for
                the operation of the provisions of Code section 415. The purpose
                of the Compensation Equalization Plan is to ensure that Pension
                Plan participants will not be deprived of benefits that would
                otherwise be payable under the Pension Plan but for the
                operation of the provisions of Code section 401(a)(17) or
                certain elections relative to the form of bonus payments or the
                deferral of compensation pursuant to the Deferred Compensation
                Plan.

2.      Section 2.1 of the Plan is amended to read as follows:

        2.1     AMOUNT.

                (A)     As of the date on which a Participant's Pension Plan
                        benefit is scheduled to commence, the Administrator will
                        determine the amount of the benefit to which the
                        Participant is entitled pursuant to the Plan in
                        accordance with Subsection (B).

                (B)     Subject to Sections 2.2 and 2.3, the amount of a
                        Participant's benefit will be computed in the following
                        manner:

                        (1)     The Administrator will determine a monthly
                                benefit amount equal to the amount by which the
                                monthly benefit determined pursuant to clause
                                (a) exceeds the monthly benefit determined
                                pursuant to clause (b), in each case based on a
                                benefit payable in the normal form under the
                                Pension Plan commencing at the later of the
                                Participant's normal retirement date under the
                                Pension Plan or his or her age on the date on
                                which benefits under the Pension Plan are
                                scheduled to commence.

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                                (a)     The monthly benefit to which the
                                        Participant would be entitled under the
                                        Pension Plan determined

                                        (i)     without regard to any
                                                limitations imposed under the
                                                Pension Plan to satisfy the
                                                provisions of Code sections
                                                401(a)(17) and 415,

                                        (ii)    by including as annual
                                                compensation for a plan year for
                                                purposes of calculating benefits
                                                any amount that would have
                                                otherwise been paid to the
                                                Participant as base salary or a
                                                cash bonus during the plan year
                                                but for the Participant's
                                                election pursuant to the
                                                Deferred Compensation Plan (but
                                                only to the extent such amount
                                                is not otherwise taken into
                                                account under the Pension Plan
                                                for such plan year and, in the
                                                case of a cash bonus, only if
                                                the cash bonus would otherwise
                                                be considered "annual
                                                compensation," within the
                                                meaning of the Pension Plan, for
                                                such plan year) and

                                        (iii)   if and only if the Administrator
                                                determines that the Participant
                                                is a member of a select group of
                                                management or highly compensated
                                                employees, by including as
                                                annual compensation for a plan
                                                year for purposes of calculating
                                                benefits any amount that would
                                                have been paid to the
                                                Participant as a cash bonus
                                                during the plan year but for the
                                                Participant's election to
                                                receive such amount in the form
                                                of common stock of the Company
                                                or an option to purchase such
                                                stock (but only to the extent
                                                such amount is not otherwise
                                                taken into account under the
                                                Pension Plan for such plan
                                                year).

                                (b)     The actual amount of the monthly benefit
                                        to which the Participant is entitled
                                        under the Pension Plan.

                        (2)     The amount determined pursuant to clause (1)
                                will be adjusted in the same manner as the
                                Participant's benefit under the Pension Plan to
                                reflect any early or late commencement of the
                                benefit.

                (C)     If a Participant dies before his or her "annuity
                        starting date," within the meaning of Code section
                        417(f)(2), and the Participant's surviving spouse is
                        entitled to a "qualified preretirement survivor
                        annuity," within the meaning of Code section 417(c),
                        from the Pension Plan or the Pension Plan provides for
                        the payment of any other death benefit to the surviving
                        spouse or any other person, the amount of the benefit to
                        which the surviving spouse or other person is entitled
                        pursuant to the Plan will be determined in accordance
                        with Subsection (B) but based, for the purpose

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                        of clause (1), on the difference between the normal form
                        of the death benefit determined under items (a) and (b).

3.      Section 2.3(A) of the Plan is amended to read as follows:

        (A)     A Participant who has elected to participate in the Pension Plan
                on an after-tax basis is not entitled to a benefit under the
                Plan attributable to annual compensation in excess of the
                limitation in effect under Code section 401(a)(17) or deferred
                under the Deferred Compensation Plan unless, prior to a date
                specified by the Administrator, the Participant makes an
                irrevocable election, applicable to any period of future
                employment with respect to which his or her Pension Plan
                after-tax participation election applies, to forego four percent
                of that portion of his or her compensation that is (1)
                attributable to services performed after the date of the
                election and (2) not taken into account under the Pension Plan
                solely by reason of the Code section 401(a)(17) limitation or
                the Participant's election pursuant to the Deferred Compensation
                Plan.

4.      A new Section 2.5 is added to the Plan which reads as follows:

        2.5     ARBITRON BENEFIT EQUALIZATION PLAN.

                (A)     Effective as of the close of business on December 31,
                        2000, the Company caused the assets and liabilities of
                        the Pension Plan attributable to certain participants
                        who were then employed with the Company or an Affiliated
                        Organization to be transferred to the Arbitron
                        Retirement Plan, which was adopted by the Company
                        effective as of January 1, 2001. In connection with the
                        adoption of the Arbitron Retirement Plan, the Company
                        adopted the Arbitron Benefit Equalization Plan,
                        effective as of January 1, 2001, as a successor to the
                        Plan for participants in the Arbitron Retirement Plan.
                        This section sets forth special provisions applicable in
                        connection with the adoption by the Company of the
                        Arbitron Benefit Equalization Plan.

                (B)     Each individual who, on December 31, 2000, is a
                        Participant, and on January 1, 2001 becomes a
                        participant in the Arbitron Benefit Equalization Plan
                        will, effective as of the close of business on December
                        31, 2000, cease to be a Participant and neither any such
                        individual nor anyone claiming by, through or on behalf
                        of any such individual will have any right to a benefit
                        arising under or in connection with the Plan with
                        respect to any period prior to January 1, 2001.

                (C)     As soon as administratively practicable after December
                        31, 2000, the Company will cause the trustee of the
                        Ceridian Corporation Benefit Protection Trust to
                        transfer to the trustee of the Arbitron Benefit
                        Protection Trust, by wire transfer of immediately
                        available funds, an amount equal to the aggregate fair
                        market value as of December 31, 2000 of the portion of
                        the assets of the Ceridian Corporation Benefit
                        Protection Trust (but not the assets of the Ceridian
                        Corporation Executive Benefit Protection Trust Number
                        One or of the Ceridian Corporation Executive Benefit
                        Protection

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                        Trust Number Two) attributable to the Plan, as
                        determined by the Company, multiplied by a fraction, the
                        numerator of which is the projected benefit obligations
                        under the Plan as of December 31, 2000 with respect to
                        Participants described in Subsection (B) and the
                        denominator of which is the projected benefit
                        obligations under the Plan as of December 31, 2000 with
                        respect to all Participants who terminate employment or
                        die after December 1, 1994 other than (1) the
                        Participant who is the "executive" within the meaning of
                        that certain Trust Agreement for Ceridian Corporation
                        Executive Benefit Protection Trust Number One dated as
                        of December 20, 1999 between the Company and such
                        Participant and (2) the Participant who is the
                        "executive" within the meaning of that certain Trust
                        Agreement for Ceridian Corporation Executive Benefit
                        Protection Trust Number Two dated as of December 30,
                        1999 between the Company and such Participant. Projected
                        benefit obligations for this purpose will be determined
                        by the Plan's actuary using the same assumptions as are
                        used to prepare the fiscal 2000 year-end disclosure
                        information for the Company's financial statements.

5.      Section 3.2(B) of the Plan is amended to read as follows:

        (B)     If a Participant has participated in the Pension Plan as an
                employee of more than one Participating Employer, the
                Administrator will determine the portion of the benefit to which
                the Participant is entitled under the Plan allocable to each
                such Participating Employer.

6.      Section 4.3(B)(2) of the Plan is amended to read as follows:

        (2)     in the case of a Participant or beneficiary or joint or
                contingent annuitant of a beneficiary whose benefit under the
                Plan is then in pay status, by converting the expected future
                benefit from the form in which it is being paid to an
                actuarially equivalent lump sum benefit using actuarial
                assumptions specified in the Pension Plan.

7.       Section 5.6 of the Plan is amended to read as follows:

        5.6     COMPENSATION EQUALIZATION PLAN. "Compensation Equalization Plan"
                means the component plan incorporated in this instrument for the
                purpose of ensuring that Participants will not be deprived of
                benefits otherwise due them under the Pension Plan by operation
                of the provisions of Code section 401(a)(17) or certain
                elections relative to the form of bonus payments or the deferral
                of compensation pursuant to the Deferred Compensation Plan.

8.      Section 5.7 of the Plan is amended to read as follows:

        5.7     DEFERRED COMPENSATION PLAN. "Deferred Compensation Plan" means
                the Ceridian Corporation Executive Investment Plan as amended
                from time to time.

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9.      Section 5.9 of the Plan is amended to read as follows:

        5.9     EXCESS BENEFIT PLAN. "Excess Benefit Plan" means the component
                plan incorporated in this instrument for the purpose of ensuring
                that Participants will not be deprived of benefits otherwise due
                them under the Pension Plan by operation of the provisions of
                Code section 415.

10.     Section 5.13 of the Plan is amended to read as follows:

        5.13    PARTICIPANT. "Participant" is an employee of a Participating
                Employer who is (a) a participant in the Pension Plan, (b)
                entitled to a benefit pursuant to the provisions of Article 2
                and (c) not a party to an agreement with the Participating
                Employer pursuant to which he or she is not eligible to
                participate in the Plan.

11.     Section 5.15 of the Plan is amended to read as follows:

        5.15    PENSION PLAN. "Pension Plan" is the Ceridian Corporation
                Retirement Plan as amended from time to time.

12.     A new Subsection (F) is added to Section 6.6 of the Plan which reads as
        follows:

        (F)     A claimant must exhaust the procedure described in this section
                before making any claim of entitlement to benefits pursuant to
                the Plan in any court or other proceeding.

The amendments set forth in items 1, 2, 3, 5, 6, 7, 8, 9, 10 and 11 above are
effective as of January 1, 1999. The amendment set forth at item 4 above is
effective as of December 31, 2000. The amendment set forth at item 12 above is
effective as of January 1, 2001. All of the amendments set forth above apply to
all Participants on and after their respective effective dates, including
Participants who terminated employment prior to such dates.

The undersigned has caused this instrument to be executed by its duly authorized
officers this 31st day of December, 2000.

                                            CERIDIAN CORPORATION

Attest: /s/ Gary M. Nelson                  By: /s/ Shirley J. Hughes
        Secretary                               Vice President

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