CFR›Title 7›Subtitle B›Chapter I›7 CFR Part 53 Citation7 CFR Part 53ContainsSubparts Subpart A–Subpart BCorpusDaily eCFRDisplayed edition2026-09-03Last updated2026-09-03 PART 53—LIVESTOCK (GRADING, CERTIFICATION, AND STANDARDS) Subparts Subpart A Subpart A—Regulations Subpart B Subpart B [Reserved] Authority7 U.S.C. 1621-1627.Source42 FR 53902, Oct. 4, 1977, unless otherwise noted.