CFR > Title 5 - Administrative Personnel > CHAPTER I—OFFICE OF PERSONNEL MANAGEMENT > SUBCHAPTER B—CIVIL SERVICE REGULATIONS (parts 110 to 990) > PART 847—ELECTIONS OF RETIREMENT COVERAGE BY CURRENT AND FORMER EMPLOYEES OF NONAPPROPRIATED FUND INSTRUMENTALITIES > SUBPART D—Elections of Coverage Under the Retroactive Provisions (§847.401 to §847.443) > 847.433—Exclusion from FERS for future service.

847.433—Exclusion from FERS for future service.

(a) An employee who elects NAFI retirement system coverage with credit for FERS service under § 847.431(a) is excluded from coverage under FERS during that and all subsequent periods of employment, including any periods of service as a reemployed annuitant.
(b) FERS service which becomes creditable in a NAFI retirement benefit based on an election under § 847.431 is not creditable for any purpose under FERS.