88 STAT. ]
PUBLIC LAW 93-406-SEPT. 2, 1974
means a calendar year, plan year, or other 12-consecutivemonth period, designated by the plan (and not prohibited under regulations prescribed by the Secretary of Labor) during which the participant has not completed more than 500 hours of service. " (B) 1 YEAR or SERVICE AFTER 1-YEAR BREAK IN SERVICE.—For purposes of paragraph (4), in the case of any employee who has any 1-year break in service, years of service before such break shall not be required to be taken into account until he has completed a year of service after his return. "(C)
1-YEAR BREAK I N SERVICE UNDER DEFINED CONTRIBUTION
PLAN.—For purposes of paragraph (4), in the case of any participant in a defined contribution plan, or an insured defined benefit plan which satisfies the requirements of subsection (b)(1)(F), who has any 1-year break in service, years of service after such break shall not be required to be taken into account for purposes of determining the nonforfeitable percentage of his accrued benefit derived from employer contributions which accrued before such break. " (D) NoNVESTED PARTICIPANTS.—For purposes of paragraph (4), in the case of a participant who, under the plan, does not have any nonforfeitable right to an accrued benefit derived from employer contributions, years of service before any 1-year break in service shall not be required to be taken into account if the number of consecutive 1-year breaks in service equals or exceeds the aggregate number of such years of service prior to such break. Such aggregate number of years of service before such break shall be deemed not to include any years of service not required to be taken into account under this subparagraph by reason of any prior break in service. " (7) ACCRUED BENEFIT.—
" (A) IN GENERAL.—For purposes of this section, the term 'accrued benefit' means— "(i) in the case of a defined benefit plan, the employee's accrued benefit determined under the plan and, except as provided in subsection (c)(3), expressed in the form of an annual benefit commencing at normal retirement age, or " (ii) in the case of a plan which is not a defined benefit plan, the balance of the employee's account. " (B) EFFECT OF CERTAIN DISTRIBUTIONS.—Notwithstand-
ing paragraph (4), for purposes of determining the employee's accrued benefit under the plan, the plan may disregard service performed by the employee with respect to which he has received— "(i) a distribution of the present value of his entire nonforfeitable benefit if such distribution was in an amount (not more than $1,750) permitted under regulations prescribed by the Secretary or his delegate, or "(ii) a distribution of the present value of his nonforfeitable benefit attributable to such service which he elected to receive. Clause (i) of this subparagraph shall apply only if such distribution was made on termination of the employee's Darticipation in the plan. Clause (ii) of this subparagraph shall apply only if such distribution was made on termination of the employee's participation in the plan or under such other
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