A prior section 2991, Pub. L. 88–452, title VIII, § 801, as added Pub. L. 89–794, title VIII, § 801. Nov. 8, 1966, 80 Stat. 1472; amended Pub. L. 90–222, title I, § 110, Dec. 23, 1967, 81 Stat. 722; Pub. L. 92–424, § 26(a), Sept. 19, 1972, 86 Stat. 703, related to Congressional statement of purpose, prior to repeal by Pub. L. 93–113, title VI, § 603, Oct. 1, 1973, 87 Stat. 417. See section 4951 of this title.

Pub. L. 116–101, § 1, Dec. 20, 2019, 133 Stat. 3261, provided that: “This Act [amending sections 2991b–3 and 2992d of this title] may be cited as the ‘Esther Martinez Native American Languages Programs Reauthorization Act’.”

Pub. L. 109–394, § 1, Dec. 14, 2006, 120 Stat. 2705, provided that: “This Act [amending sections 2991b–3, 2992c, and 2992d of this title] may be cited as the ‘Esther Martinez Native American Languages Preservation Act of 2006’.”

Pub. L. 105–361, § 1, Nov. 10, 1998, 112 Stat. 3278, provided that: “This Act [amending sections 2991b–1 and 2992d of this title] may be cited as the ‘Native American Programs Act Amendments of 1998’.”

Pub. L. 102–524, § 1, Oct. 26, 1992, 106 Stat. 3434, provided that: “This Act [enacting section 2991b–3 of this title and amending section 2992d of this title], other than section 4 [enacting provisions set out as a note under section 2001 of Title 25, Indians], may be cited as the ‘Native American Languages Act of 1992’.”

Pub. L. 102–375, title VIII, § 821, Sept. 30, 1992, 106 Stat. 1295, provided that: “This subtitle [subtitle C (§§ 821, 822) of title VIII of Pub. L. 102–375, enacting sections 2991b–2, 2991c, 2992–1, 2992a–1, and 2992b of this title, amending sections 2991a to 2991b–1, 2991d to 2992, 2992c, and 2992d of this title, and repealing former sections 2991c and 2992b of this title] may be cited as the ‘Native American Programs Act Amendments of 1992’.”

Pub. L. 101–408, § 1, Oct. 4, 1990, 104 Stat. 883, provided that: “This Act [amending sections 2991b and 2992d of this title] may be cited as the ‘Indian Environmental Regulatory Enhancement Act of 1990’.”

Pub. L. 100–175, title V, § 501, Nov. 29, 1987, 101 Stat. 973, provided that: “This title [enacting sections 2991b–1, 2991d–1 and 2992b–1 of this title and amending sections 2991a, 2991b, 2991d–1, 2991f, 2992c, and 2992d of this title] may be cited as the ‘Native American Programs Act Amendments of 1987’.”

Pub. L. 98–558, title X, § 1001, Oct. 30, 1984, 98 Stat. 2905, provided that: “This title [amending sections 2991b, 2992b to 2992d of this title] may be cited as the ‘Native American Programs Act Amendments of 1984’.”