A participant, former participant, or retired participant in the system who on November 15, 1982, had a former spouse may, by a spousal agreement, elect to receive a reduced annuity and provide a survivor annuity for such former spouse under section 2032(b) of this title.
An election under this section may provide for a survivor annuity based on all or any portion of that part of the annuity of the participant which is not designated or committed as a base for a survivor annuity for a spouse or any other former spouse of the participant. The participant and the participant’s spouse may make an election under section 2031(b)(1)(B) of this title before the time of retirement for the purpose of allowing an election to be made under this section.
The amount of the reduction in the participant’s annuity shall be determined in accordance with section 2031(b)(2) of this title.