Section 1261.307 - Time limitations(a) A claim may not be acted upon pursuant to the Federal Tort Claims Act unless it is presented to NASA within 2 years after it accrued.(b) A claim may not be acted upon pursuant to 51 U.S.C. 20113(m)(1) or (2) unless it is presented to NASA within two years after the occurrence of the accident or incident out of which the claim arose.(c) A claim shall be deemed to have been presented to NASA when NASA receives from a claimant or duly authorized agent or legal representative an executed Standard Form 95 or other written notification of an incident or accident, accompanied by a claim in a sum certain.45 FR 48104, July 18, 1980, as amended at 82 FR 29384 , June 29, 2017