Section, Pub. L. 88–164, title I, § 123, as added Pub. L. 98–527, § 2, Oct. 19, 1984, 98 Stat. 2674; amended Pub. L. 100–146, title II, § 203, Oct. 29, 1987, 101 Stat. 849, required habilitation plan as condition to State’s receipt of allotment under this subchapter.