Section,
Pub. L. 88–452, § 4, formerly title I, § 102, as added
Pub. L. 93–644, § 3, Jan. 4, 1975,
88 Stat. 2292, renumbered § 4 and amended
Pub. L. 94–341, § 2(a)(2), July 6, 1976,
90 Stat. 803, defined terms applicable to subchapters I to IX of this chapter.