[Code of Federal Regulations] [Title 5, Volume 2] [Revised as of January 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR846.704] [Page 366] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT (Continued) PART 846--FEDERAL EMPLOYEES RETIREMENT SYSTEM--ELECTIONS OF COVERAGE--Table of Contents Subpart G--1998 Open Enrollment Elections Sec. 846.704 Irrevocability of an election of FERS coverage. (a) An election to be covered by FERS becomes irrevocable on the date it becomes effective. (b) If, during the 1998 open enrollment period, an employee files an election on an SF 3109 to remain covered by CSRS, the employee may revoke such an election by filing another election during the 1998 open enrollment period. Who May Elect