; (ii) attests to the individual’s presence in an affected area during that period; (iii) is made subject to penalty for perjury; and (iv) is made by a person other than the individual filing the claim. (C) Participation at Testing Site For purposes of this Act, the Attorney General shall accept a written affidavit or declaration as evidence to substantiate an individual’s participation onsite in a test involving the atmospheric detonation of a nuclear device if the affidavit— (i) is provided in addition to other material that may be used to substantiate the individual’s participation onsite in a test involving the atmospheric detonation of a nuclear device; (ii) attests to the individual’s participation onsite in a test involving the atmospheric detonation of a nuclear device; (iii) is made subject to penalty for perjury; and (iv) is made by a person other than the individual filing the claim. . (b) Technical and conforming amendments Section 6 is amended— (1) in subsection (b)(2)(C), by striking section 4(a)(2)(C) and inserting section 4(a)(2)(E) ; (2) in subsection (c)(2)— (A) in subparagraph (A)— (i) in the first sentence, by striking subsection (a)(1), (a)(2)(A), or (a)(2)(B) of section 4 and inserting subsection (a)(1), (a)(2)(A), (a)(2)(B), (a)(2)(C), or (a)(2)(D) of section 4 ; and (ii) in clause (i), by striking subsection (a)(1), (a)(2)(A), or (a)(2)(B) of section 4 and inserting subsection (a)(1), (a)(2)(A), (a)(2)(B), (a)(2)(C), or (a)(2)(D) of section 4 ; and (B) in subparagraph (B), by striking section 4(a)(2)(C) and inserting section 4(a)(2)(E)