9 CFR § 101.1 - Applicability.

---
identifier: "/us/cfr/t9/s101.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "9 CFR § 101.1 - Applicability."
title_number: 9
title_name: "Animals and Animal Products"
section_number: "101.1"
section_name: "Applicability."
chapter_name: "ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE"
subchapter_number: "E"
subchapter_name: "VIRUSES, SERUMS, TOXINS, AND ANALOGOUS PRODUCTS; ORGANISMS AND VECTORS"
part_number: "101"
part_name: "DEFINITIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 151-159; 7 CFR 2.22, 2.80, and 371.4."
regulatory_source: "38 FR 8426, Apr. 2, 1973, unless otherwise noted."
cfr_part: "101"
---


# 101.1 Applicability.

When used in parts 101 through 117 of this subchapter, the meaning of the words and phrases listed shall be as defined in this part.