5 C.F.R. § 846.501 Cancellation upon transfer to FERS.
Title 5 - Administrative Personnel
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.
Title 5: Administrative Personnel
PART 846—FEDERAL EMPLOYEES RETIREMENT SYSTEM—ELECTIONS OF COVERAGE
Subpart E—Cancellation of Designations of Beneficiary
§ 846.501 Cancellation upon transfer to FERS.