Act of March 3, 1891, referred to in text, is act Mar. 3, 1891, ch. 555, 26 Stat. 1089, which was superseded by act Mar. 4, 1907, ch. 2907, 34 Stat. 1260, as amended by act June 29, 1938, ch. 810, 52 Stat. 1235 (formerly classified to section 71 et seq. of this title). Act Mar. 4, 1907, ch. 2907, was generally revised by Pub. L. 90–201, Dec. 15, 1967, 81 Stat. 584, and is classified to this chapter.

Section was not enacted as part of the Federal Meat Inspection Act which is classified to subchapters I to IV–A of this chapter.

Section was formerly classified to sections 94a and 132 of this title.