32 CFR 750.11: Claims: Denial.

A final denial of any claim within this chapter shall be in writing and sent to the claimant, his attorney, or legal representative by certified or registered mail with return receipt requested. The denial notification shall include a statement of the reason or reasons for the denial. The notification shall include a statement that the claimant may:

(a) If the claim is cognizable under the Federal Tort Claims Act, file suit in the appropriate United States District Court within 6 months of the date of the denial notification.

(b) If the claim is cognizable under the Military Claims Act, appeal in writing to the Office of the Judge Advocate General, Claims and Tort Litigation Division within 30 days of the receipt of the denial notification. The notice of denial shall inform the claimant or his representative that is suit is not possible under the act.