Section 6021, Pub. L. 88–164, title I, § 121 , as added Pub. L. 98–527, § 2 , Oct. 19, 1984 , 98 Stat. 2670 ; amended Pub. L. 100–146, title II, § 201(a) , Oct. 29, 1987 , 101 Stat. 845 ; Pub. L. 101–496, § 10 , Oct. 31, 1990 , 104 Stat. 1195 ; Pub. L. 103–230, title II, § 202 , Apr. 6, 1994 , 108 Stat. 297 , set forth the purpose of this subchapter. A prior section 121 of Pub. L. 88–164 , title I, as added Pub. L. 94–103, title I, § 105 , Oct. 4, 1975 , 89 Stat. 486 ; amended Pub. L. 95–602, title V, § 509 , Nov. 6, 1978 , 92 Stat. 3008 , related generally to demonstration and training grants and was classified to section 6031 of this title , prior to the general amendment of this chapter by Pub. L. 98–527 . Section 6022, Pub. L. 88–164, title I, § 122 , as added Pub. L. 98–527, § 2 , Oct. 19, 1984 , 98 Stat. 2670 ; amended Pub. L. 99–91, § 6(b) , Aug. 15, 1985 , 99 Stat. 391 ; Pub. L. 100–146, title II, § 202 , Oct. 29, 1987 , 101 Stat. 845 ; Pub. L. 101–496, § 11 , Oct. 31, 1990 , 104 Stat. 1195 ; Pub. L. 102–119, § 26(b) , Oct. 7, 1991 , 105 Stat. 607 ; Pub. L. 103–230, title II, § 203 , Apr. 6, 1994 , 108 Stat. 297 ; Pub. L. 105–12, § 9 (l)(1), Apr. 30, 1997 , 111 Stat. 28 , related to submission and approval of State plans. A prior section 122 of Pub. L. 88–164 , title I, as added Pub. L. 94–103, title I, § 105 , Oct. 4, 1975 , 89 Stat. 487 ; amended Pub. L. 95–602, title V, § 509 , Nov. 6, 1978 , 92 Stat. 3009 , set forth administrative provisions relating to demonstration and training grants for university affiliated facilities and was classified to section 6032 of this title , prior to the general amendment of this chapter by Pub. L. 98–527 .