CFR›Title 9›Chapter I›Part 77 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 77—TUBERCULOSIS Subparts A Subpart A—General Provisions Sections 77.1–77.4 B Subpart B—Cattle and Bison Sections 77.5–77.19 C Subpart C—Captive Cervids Sections 77.20–77.41 Authority7 U.S.C. 8301-8317; 7 CFR 2.22, 2.80, and 371.4.Source65 FR 63517, Oct. 23, 2000, unless otherwise noted. Previous 75 Part 75—Communicable Diseases in Horses, Asses, Ponies, Mules, and Zebras Next 78 Part 78—Brucellosis