; (2) be deemed to be in full satisfaction of all claims under chapter 171 of title 28, United States Code; and (3) constitute a complete release by the individual or municipality of such claim against the United States and against any employee of the United States acting in the scope of employment who is involved in the matter giving rise to the claim. (g) Certification of treatment of payments under other laws Amounts paid to an individual under this section— (1) shall be treated for purposes of the laws of the United States as damages for human suffering; and (2) may not be included as income or resources for purposes of determining eligibility to receive benefits described in section 3803(c)(2)(C) of title 31, United States Code, or the amount of such benefits. (h) Limitation on claims A claim to which this section applies shall be barred unless the claim is filed within 15 years after the date of the enactment of this Act. (i) Attorney's fees Notwithstanding any contract, a representative of an individual may not receive, for services rendered in connection with a claim of the individual under this Act, more than 20 percent of a payment made under this Act.