(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 42 U.S.C. 2473(c)(13)(A) or (B) unless it is presented to NASA within 2 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.