[Code of Federal Regulations] [Title 5, Volume 2] [Revised as of January 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR847.431] [Page 387-388] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT (CONTINUED) PART 847_ELECTIONS OF RETIREMENT COVERAGE BY CURRENT AND FORMER EMPLOYEES OF Subpart D_Elections of Coverage Under the Retroactive Provisions Sec. 847.431 Election requirements. (a)(1)(i) A NAFI employee who completed a qualifying move from FERS under Sec. 847.402(a) may, instead of the election provided by Sec. 847.411 (pertaining to elections of CSRS and FERS coverage), elect to remain subject to the current NAFI retirement system for all subsequent periods of service. (ii) Prior service under FERS becomes credible under the NAFI retirement system rules. (2) An NAFI 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, but died before expiration of the time limit under Sec. 847.304. [[Page 388]] (c) An 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]