5 C.F.R. § 847.305 Basic records.
Title 5 - Administrative Personnel
(a) Agencies must establish and maintain retirement accounts for employees subject to CSRS or FERS in the manner prescribed by OPM. (b) The individual retirement record (Standard Form 2806 for CSRS, or Standard Form 3100 for FERS) is the basic record for action on all claims for annuity or refund, and those pertaining to deceased employees and annuitants.
Title 5: Administrative Personnel
PART 847—ELECTIONS OF RETIREMENT COVERAGE BY CURRENT AND FORMER EMPLOYEES OF NONAPPROPRIATED FUND INSTRUMENTALITIES
Subpart C—Procedures for Elections Under the Retroactive Provisions
§ 847.305 Basic records.
