Section, acts Aug. 16, 1954, ch. 736, 68A Stat. 511; June 30, 1958,
Pub. L. 85–475, § 4(b)(3),
72 Stat. 260; May 21, 1970,
Pub. L. 91–258, title II, § 205(a)(2),
84 Stat. 241, provided tax exemption for any payment received for services or facilities furnished to any State, Territory, or political subdivision of such, or the District of Columbia.