5 C.F.R. § 843.206 Designation of beneficiary—proof of receipt.
Title 5 - Administrative Personnel
(a) Upon receipt of a designation of beneficiary, the agency (or OPM) will mark the designation to show the date of receipt. (b) The date of receipt of designation of beneficiary is presumed to be the date marked by the agency (or OPM).
Title 5: Administrative Personnel
PART 843—FEDERAL EMPLOYEES RETIREMENT SYSTEM—DEATH BENEFITS AND EMPLOYEE REFUNDS
Subpart B—One-time Payments
§ 843.206 Designation of beneficiary—proof of receipt.