[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: 5CFR839.604] [Page 254] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT (CONTINUED) PART 839_CORRECTION OF RETIREMENT COVERAGE ERRORS UNDER THE FEDERAL ERRONEOUS Subpart F_Making an Election Sec. 839.604 When is my election effective? Your election is effective on the date that the retirement coverage error first occurred. This means that your election will be retroactive, or will change your retirement coverage for a period of service in the past. Time Limits