22 U.S.C. § 1928d
Auditing and accounting
The certificate of the Chairman of the House delegation and the Senate delegation of the NATO Parliamentary Assembly shall on and after July 11, 1956 , be final and conclusive upon the accounting officers in the auditing of the accounts of the United States Group of the NATO Parliamentary Assembly.
( July 11, 1956, ch. 562, § 4 , 70 Stat. 524 ; Pub. L. 90–137 , pt. IV, § 401(a)(2), Nov. 14, 1967 , 81 Stat. 463 ; Pub. L. 106–113, div. B, § 1000(a)(7) [div. A, title VII, § 701(b)(1)] , Nov. 29, 1999 , 113 Stat. 1536 , 1501A–459.)