[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: 5CFR847.303] [Page 375] 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 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 retirement system, he or she must obtain certification from each retirement system.