[Code of Federal Regulations] [Title 5, Volume 2] [Revised as of January 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR847.421] [Page 377] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT (CONTINUED) PART 847_ELECTIONS OF RETIREMENT COVERAGE BY CURRENT AND FORMER EMPLOYEES OF NONAPPROPRIATED FUND INSTRUMENTALITIES--Table of Contents Subpart D_Elections of Coverage Under the Retroactive Provisions Sec. 847.421 Election requirements. (a)(1)(i) A FERS employee who completed a qualifying move under Sec. 847.402(b) may, instead of the election provided by Sec. 847.441 (pertaining to elections of NAFI retirement coverage), elect to remain subject to FERS for all subsequent periods of service. (ii) Prior service under a NAFI retirement system becomes creditable under FERS rules without regard to whether a refund of contributions for such period has been paid by the NAFI retirement system. (2) A FERS employee who has had a previous opportunity to elect retirement coverage under Sec. 847.202(e) or (f) is not excluded from making this election. (b) A survivor may make an election under paragraph (a) of this section if the employee was otherwise eligible to elect FERS coverage and FERS service credit, but died before expiration of the time limit under Sec. 847.304. (c) NAFI service made creditable under FERS by an election under this section become creditable for FERS retirement eligibility and FERS annuity computation, including average pay, upon receipt of the election by the employing agency. (d) A election under this section is irrevocable when received by the employing agency. [61 FR 41721, Aug. 9, 1996, as amended at 68 FR 2180, Jan. 16, 2003]