5 CFR § 831.665 - Payment of deposits under § 831.631, § 831.632, § 831.682, or § 831.684 under pre-October 1, 1993, law or when the retiree has died prior to October 1, 1993.
(a) If a retiree fails to make a deposit required under § 831.682 or § 831.684 within 60 days after the date of the notice required by § 831.682(e) or § 831.684(c), the deposit will be collected by offset from his or her annuity in installments equal to 25 percent of the retiree's net annuity (as defined in § 838.103 of this chapter).
(b) If a retiree fails to make a deposit required by § 831.631 or § 831.632 within 2 years after the date of the post-retirement marriage or divorce, the deposit will be collected by offset from his or her annuity in installments equal to 25 percent of the retiree's net annuity (as defined in § 838.103 of this chapter).
(c) If a retiree dies before a deposit required under §§ 831.631, 831.632, 831.682, or 831.684 is fully made, the deposit will be collected from the survivor annuity (for which the election required the deposit) before any payments of the survivor annuity are made.