PUBLIC LAW 96-364—SEPT. 26, 1980
94 STAT. 1231
with one of the following methods which shall be adopted by the plan by amendment: "(1) by multiplying the value of plan assets determined under subparagraph (C) by a fraction— "(I) the numerator of which is the value of the nonforfeitable benefits which are attributable to service with the employer, and (II) the denominator of which is the value of the nonforfeitable benefits which are attributable to service with all employers who have an obligation to contribute under the plan in the plan year preceding the plan year in which the employer withdraws; "(ii) by multiplying the value of plan assets determined under subparagraph (C) by a fraction— "(I) the numerator of which is the sum of all contributions (accumulated with interest) which have been made to the plan by the employer for the plan year preceding the plan year in which the employer withdraws and all preceding plan years; and "(II) the denominator of which is the sum of all contributions (accumulated with interest) which have been made to the plan (for the plan year preceding the plan year in which the employer withdraws and all preceding plan years) by all employers who have an obligation to contribute to the plan for the plan year preceding the plan year in which the employer withdraws; or "(iii) by multiplying the value of plan assets under subparagraph (C) by a fraction— "(I) the numerator of which is the amount determined under clause (ii)(I) of this subparagraph, less the sum of benefit payments (accumulated with interest) made to participants (and their beneficiaries) for the plan years described in such clause (iiXD which are attributable to service with the employer; and "(II) the denominator of which is the amount determined under clause (ii)(II) of this subparagraph, reduced by the sum of benefit payments (accumulated with interest) made to participants (and their beneficiaries) for the plan years described in such clause (ii)(II) which are attributable to service with respect to the employers described in such clause (ii)(II). "(E) The amount of the plan's unfunded vested benefits for a plan year preceding the plan year in which an employer withdraws, which IS not attributable to service with employers who have an obligation to contribute under the plan in the plan year preceding the plan year in which such employer withdraws, is equal to— "(i) an amount equal to— "(I) the value of all nonforfeitable benefits under the plan at the end of such plan year, reduced by "(II) the value of nonforfeitable benefits under the plan at the end of such plan year which are attributable to participants' service with employers who have an obligation to contribute under the plan for such plan year; reduced by "(ii) an amount equal to— "(I) the value of the plan assets as of the end of such plan year, reduced by "(H) the value of plan assets as of the end of such plan year as determined under subparagraph (C); reduced by
79-194
O—81—pt. 1
81; QL3
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