Section 6081, Pub. L. 88–164, title I, § 161 , as added Pub. L. 98–527, § 2 , Oct. 19, 1984 , 98 Stat. 2683 ; amended Pub. L. 100–146, title V, § 501(a) , Oct. 29, 1987 , 101 Stat. 857 ; Pub. L. 101–496, § 20 , Oct. 31, 1990 , 104 Stat. 1203 ; Pub. L. 103–230, title V, § 502 , Apr. 6, 1994 , 108 Stat. 328 , stated the purpose of this subchapter. A prior section 6081, Pub. L. 88–164, title I, § 145 , as added Pub. L. 94–103, title I, § 105 , Oct. 4, 1975 , 89 Stat. 495 ; amended Pub. L. 95–602, title V , §§ 504(b)(2), (3), 513, Nov. 6, 1978 , 92 Stat. 3006 , 3016; Pub. L. 96–32, § 3(a) , July 10, 1979 , 93 Stat. 82 ; Pub. L. 97–35, title IX, § 913 , Aug. 13, 1981 , 95 Stat. 563 ; Pub. L. 98–221, title III, § 305 , Feb. 22, 1984 , 98 Stat. 35 , set forth grant authority for special projects grants, prior to the general amendment of this chapter by Pub. L. 98–527 . Section 6082, Pub. L. 88–164, title I, § 162 , as added Pub. L. 98–527, § 2 , Oct. 19, 1984 , 98 Stat. 2683 ; amended Pub. L. 100–146, title V, § 502 , Oct. 29, 1987 , 101 Stat. 857 ; Pub. L. 101–496, § 21 , Oct. 31, 1990 , 104 Stat. 1204 ; Pub. L. 103–230, title V, § 503 , Apr. 6, 1994 , 108 Stat. 328 ; Pub. L. 105–12, § 9 (l)(4), Apr. 30, 1997 , 111 Stat. 28 , related to the Secretary’s grant authority. Section 6083, Pub. L. 88–164, title I, § 163 , as added Pub. L. 98–527, § 2 , Oct. 19, 1984 , 98 Stat. 2684 ; amended Pub. L. 100–146, title V, § 503 , Oct. 29, 1987 , 101 Stat. 858 ; Pub. L. 101–496, § 22 , Oct. 31, 1990 , 104 Stat. 1204 ; Pub. L. 103–230, title V, § 504 , Apr. 6, 1994 , 108 Stat. 331 ; Pub. L. 104–183, § 5 , Aug. 6, 1996 , 110 Stat. 1695 , authorized appropriations.