[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: 5CFR847.303] [Page 384-385] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT (CONTINUED) PART 847_ELECTIONS OF RETIREMENT COVERAGE BY CURRENT AND FORMER EMPLOYEES OF Subpart C_Procedures for Elections Under the Retroactive Provisions Sec. 847.303 Election forms. (a) Eligible employees may make an election under subpart D of this part on a form prescribed by OPM and filed with the employing agency. (b) For elections of retirement coverage under subpart D of this part, the election form will require that the employee obtain a certification from his or her previous retirement system showing dates of service, amounts transferable from the previous retirement system to the elected retirement system under subpart E of this part, and that the employee became vested in the retirement system. If an employee was covered by more than one [[Page 385]] retirement system, he or she must obtain certification from each retirement system.