1987—
Pub. L. 100–203, title X, § 10711(b)(2)(B), Dec. 22, 1987,
101 Stat. 1330–464, substituted “substantial lobbying or because of political activities” for “substantial lobbying” in item 504.
1984—
Pub. L. 98–369, div. A, title V, § 513(b), July 18, 1984,
98 Stat. 865, added item 505.
1976—
Pub. L. 94–455, title XIII, § 1307(d)(3)(B), Oct. 4, 1976,
90 Stat. 1728, added item 504.
1969—
Pub. L. 91–172, title I, § 101(j)(61), Dec. 30, 1969,
83 Stat. 532, struck out item 504 “Denial of exemption”.