Section 501(c)(3) of the Internal Revenue Code of 1986, referred to in subsec. (g)(1), is classified to section 501(c)(3) of Title 26, Internal Revenue Code.

A prior section 7471, act Aug. 10, 1956, ch. 1041, 70A Stat. 462, related to appointments in professional and scientific service, prior to repeal by Pub. L. 85–861, § 36B(23), Sept. 2, 1958, 72 Stat. 1571.

Prior sections 7472 and 7473 were renumbered sections 8742 and 8743 of this title, respectively.

A prior section 7474, act Aug. 10, 1956, ch. 1041, 70A Stat. 463, related to establishment of wage rates for employees by Secretary of Navy, prior to repeal by Pub. L. 89–554, § 8(a), Sept. 6, 1966, 80 Stat. 663.

A prior section 7475, act Aug. 10, 1956, ch. 1041, 70A Stat. 463, restricted increasing of forces at naval activities prior to national elections, prior to repeal by Pub. L. 86–148, § 1(1), Aug. 7, 1959, 73 Stat. 302.

Prior sections 7476 to 7480 were renumbered sections 8746 to 8750 of this title, respectively.

2021—Subsec. (a)(1). Pub. L. 116–283 substituted “section 3201(e)” for “section 2304(k)” and “section 3204(a)(5)” for “section 2304(c)(5)”.

2018—Pub. L. 115–232 renumbered section 4362 of this title as this section.

Amendment by Pub. L. 116–283 effective Jan. 1, 2022, with additional provisions for delayed implementation and applicability of existing law, see section 1801(d) of Pub. L. 116–283, set out as a note preceding section 3001 of this title.

Amendment by Pub. L. 115–232 effective Feb. 1, 2019, with provision for the coordination of amendments and special rule for certain redesignations, see section 800 of Pub. L. 115–232, set out as a note preceding section 3001 of this title.