32 C.F.R. § 842.58 Filing a claim.
Title 32 - National Defense
(a) How and when filed. A claim is filed when a federal agency receives from a claimant or authorized agent a properly completed SF 95 or other signed and written demand for money damages in a sum certain. A claim belonging to another agency is promptly transferred to the appropriate agency. (b) Amending a claim. A claimant may amend a claim at any time prior to final action. An amendment must be in writing and signed by the claimant or authorized agent.
Title 32: National Defense
PART 842—ADMINISTRATIVE CLAIMS
Subpart G—Foreign Claims (10 U.S.C. 2734)
§ 842.58 Filing a claim.

