For general administrative provisions applicable to the assessment, collection, refund, etc., of taxes, see subtitle F.

(Added Pub. L. 85–859, title II, §201, Sept. 2, 1958, 72 Stat. 1338, §5066; renumbered §5067, Pub. L. 91–659, §3(a), Jan. 8, 1971, 84 Stat. 1965; renumbered §5068, Pub. L. 116–260, div. EE, title I, §108(a), Dec. 27, 2020, 134 Stat. 3049.)