minimum-required qualified joint and survivor annuity
(5) (A) The survivor annuity described in paragraph (4)(C)(iii) shall be determined as if— (i) the participant terminated employment on the date of the offset, (ii) there was no offset, (iii) the plan permitted commencement of benefits only on or after normal retirement age, (iv) the plan provided only the minimum-required qualified joint and survivor annuity, and (v) the amount of the qualified preretirement survivor annuity under the plan is equal to the amount of the survivor annuity payable under the minimum-required qualified joint and survivor annuity. (B) For purposes of this paragraph, the term “minimum-required qualified joint and survivor annuity” means the qualified joint and survivor annuity which is the actuarial equivalent of the participant’s accrued benefit (within the meaning of section 1002(23) of this title ) and under which the survivor annuity is 50 percent of the amount of the annuity which is payable during the joint lives of the participant and the spouse.