(a) A former spouse survivor annuity based on a court order acceptable for processing begins to accrue in accordance with the terms of the court order but no earlier than the later of -

(1) The first day after the date of death of the employee, separated employee, or retiree; or

(2) The first day of the second month after OPM receives a copy of the court order acceptable for processing.

(b) OPM will not authorize payment of the former spouse survivor annuity until it receives an application and supporting documentation required under § 838.721.