5 C.F.R. § 846.501 Cancellation upon transfer to FERS.
A designation of beneficiary made under § 831.2005 of this chapter is cancelled on the effective date of an election of FERS coverage. Designations of beneficiary under FERS must be made in accordance with § 843.205 of this chapter and apply to an employee's contributions under both CSRS and FERS.