Section, Pub. L. 97–35, title V, §583, Aug. 13, 1981, 95 Stat. 476; Pub. L. 98–312, §4(b), June 12, 1984, 98 Stat. 234; Pub. L. 99–498, title XIV, §1404, Oct. 17, 1986, 100 Stat. 1599, related to authorization of discretionary program.