A prior section 2017, Pub. L. 92–181, title I, § 1.9, Dec. 10, 1971, 85 Stat. 586; Pub. L. 96–592, title I, § 106, Dec. 24, 1980, 94 Stat. 3438; Pub. L. 100–233, title IV, § 426, title VIII, § 802(d), Jan. 6, 1988, 101 Stat. 1657, 1710; Pub. L. 100–399, title IV, § 412, title VII, § 701, Aug. 17, 1988, 102 Stat. 1004, 1006, related to security, prior to the general amendment of this subchapter by Pub. L. 100–233, § 401.

Pub. L. 100–233, title IV, § 401, Jan. 6, 1988, 101 Stat. 1622, provided that this section is effective 6 months after Jan. 6, 1988.