10 U.S.C. § 7806
Settlement or compromise: final and conclusive
Notwithstanding any other provision of law, upon acceptance of payment the settlement or compromise of a claim under section 7802 or 7803 of this title is final and conclusive.
Notwithstanding any other provision of law, upon acceptance of payment the settlement or compromise of a claim under section 7802 or 7803 of this title is final and conclusive.