Chapter 7 - Cattle, Bison, and other Bovine (Formerly Chapter 3)
- Subchapter A - General Provisions (§§ XXI-701 — XXI-707-709)
- Subchapter B - Brucellosis Regulations (§§ XXI-711 — XXI-729)
- Subchapter C - Tuberculosis (§§ XXI-731 — XXI-735-739)
- Subchapter D - Mycoplasma in Dairy Cattle Regulations (§§ XXI-741 — XXI-747-749)
- Subchapter E - Trichomoniasis (§§ XXI-751 — XXI-753-759)
- Subchapter F - Slaughterhouse Requirements for Identification, Sampling, and Records (§ XXI-761)