[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: 5CFR831.103] [Page 82-83] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT (CONTINUED) PART 831_RETIREMENT--Table of Contents Subpart A_Administration and General Provisions Sec. 831.103 Evidence. (a) Standard Form 2806 (Individual Retirement Record) is the basic record for action on all claims for annuity or refund, and those pertaining to deceased employees, deceased Members, or deceased annuitants. [[Page 83]] (b) When the records of the department or agency concerned are lost, destroyed, or incomplete, the department or agency shall request the General Accounting Office, through OPM, to furnish the data that it considers necessary for a proper determination of the rights of the claimant. When an official record cannot develop the required information, the department, agency, or OPM should request inferior or secondary evidence which is then admissible.