A prior section 780, Pub. L. 93–112, title IV, § 400, as added Pub. L. 95–602, title I, § 117, Nov. 6, 1978, 92 Stat. 2977; amended Pub. L. 98–221, title I, § 141(a), Feb. 22, 1984, 98 Stat. 26; Pub. L. 99–506, title I, § 103(d)(2)(C), title V, § 501, title X, § 1001(e), Oct. 21, 1986, 100 Stat. 1810, 1828, 1843; Pub. L. 100–630, title II, § 205(b), Nov. 7, 1988, 102 Stat. 3310; Pub. L. 102–569, title I, § 102(p)(26), title IV, § 401, Oct. 29, 1992, 106 Stat. 4360, 4421, related to establishment of the National Council on Disability, prior to the general amendment of this subchapter by Pub. L. 105–220.

Another prior section 780, Pub. L. 93–112, title IV, § 400, Sept. 26, 1973, 87 Stat. 385, related to general administrative powers of Secretary under this chapter, prior to repeal by Pub. L. 95–602, § 117.