This subchapter, referred to in text, was in the original “this title”, meaning title V of Pub. L. 91–648. See below.

Subchapters I, II, III, and IV of this chapter, referred to in text, was in the original “titles I, II, III, and V of this Act”, meaning Pub. L. 91–648, Jan. 5, 1971, 84 Stat. 1909. Titles I, II, and III of the Act are classified generally to subchapters I (§ 4701 et seq.), II (§ 4721 et seq.), and III (§ 4741 et seq.), respectively, of this chapter. Title V of the Act is classified principally to this subchapter. For complete classification of titles I to III and V to the Code, see Tables.