14 C.F.R. § 1261.313 Required notification in the event of denial.
Title 14 - Aeronautics and Space
Final denial of a claim shall be in writing and shall be sent to the claimant, the attorney, or legal representative by certified or registered mail. The notification of final denial may include a statement of the reasons for the denial and shall include a statement that if the claimant is dissatisfied with NASA's action, the claimant may file suit in an appropriate U.S. District Court not later than 6 months after the date of mailing the notification.
Title 14: Aeronautics and Space
PART 1261—PROCESSING OF MONETARY CLAIMS (GENERAL)
Subpart 1261.3—Claims Against NASA or Its Employees for Damage to or Loss of Property or Personal Injury or Death—Accruing On or After January 18, 1967
§ 1261.313 Required notification in the event of denial.

