PART 1—DEFINITION OF TERMS Authority: 7 U.S.C. 2131-2159; 7 CFR 2.22, 2.80, and 371.7. § 1.1 Definitions. For the purposes of this subchapter, unless the context otherwise requires, the following terms shall have the meanings assigned to them in this section. The singular form shall also signify the plural and the masculine form shall also signify the feminine. Words undefined in the following paragraphs shall have the meaning attributed to them in general usage as reflected by definitions in a standard dictionary. Act Activity Administrative unit Administrator. Ambient temperature Animal Rattus, Mus, Animal act APHIS official Attending veterinarian Bird Bred for use in research Buffer area Business hours Business year Carrier Cat Class “A” licensee Class “B” licensee Class “C” licensee Commerce (1) Between a place in a State and any place outside of such State, including any foreign country, or between points within the same State but through any place outside thereof, or within any territory, possession, or the District of Columbia; or (2) Which affects the commerce described in this part. Committee Dealer Department Deputy Administrator Dog Canis familiaris Dwarf hamster Endangered species et seq. Euthanasia Exhibitor Exotic animal Farm animal Federal agency Federal award Federal research facility Field study Handling Housing facility Hybrid cross Impervious surface Indoor housing facility (1) It must be capable of controlling the temperature within the building or structure within the limits set forth for that species of animal, of maintaining humidity levels of 30 to 70 percent and of rapidly eliminating odors from within the building; and (2) It must be an enclosure created by the continuous connection of a roof, floor, and walls (a shed or barn set on top of the ground does not have a continuous connection between the walls and the ground unless a foundation and floor are provided); and (3) It must have at least one door for entry and exit that can be opened and closed (any windows or openings which provide natural light must be covered with a transparent material such as glass or hard plastic). Interactive area Interactive session Intermediate handler Inspector Institutional official Isolation Licensed veterinarian Licensee Major operative procedure Minimum horizontal dimension Mobile or traveling housing facility Nonconditioned animals Nonhuman primate Operator of an auction sale Outdoor housing facility Painful procedure Paralytic drug Person Pet animal Positive physical contact Poultry Pound or shelter Primary conveyance Primary enclosure Principal investigator Quorum Random source Registrant Research facility Provided, Retail pet store (1) Establishments or persons who deal in dogs used for hunting, security, or breeding purposes; (2) Establishments or persons exhibiting, selling, or offering to exhibit or sell any wild or exotic or other nonpet species of warmblooded animals such as skunks, raccoons, nonhuman primates, squirrels, ocelots, foxes, coyotes, etc.; (3) Any establishment or person selling warmblooded animals (except laboratory rats and mice) for research or exhibition purposes; (4) Any establishment wholesaling any animals (except rats and mice); and (5) Any establishment exhibiting pet animals in a room that is separate from or adjacent to the retail pet store, or in an outside area, or anywhere off the retail pet store premises. Sanctuary area Sanitize Secretary Sheltered housing facility Standards State Study area Swim-with-the-dolphin (SWTD) program Transporting device Transporting vehicle Weaned Wild animal Wild state Zoo [54 FR 36119, Aug. 31, 1989, as amended at 55 FR 12631, Apr. 5, 1990; 58 FR 39129, July 22, 1993; 62 FR 43275, Aug. 13, 1997; 63 FR 47148, Sept. 4, 1998; 63 FR 62926, Nov. 10, 1998; 65 FR 6314, Feb. 9, 2000; 68 FR 12285, Mar. 14, 2003; 69 FR 31514, June 4, 2004; 69 FR 42099, July 14, 2004; 78 FR 57249, Sept. 18, 2013; 83 FR 25554, June 4, 2018; 85 FR 28795, May 13, 2020; 88 FR 10712, Feb. 21, 2023] Effective Date Note: At 64 FR 15920, Apr. 2, 1999, the definitions of buffer area, interactive area, interactive session, sanctuary area, swim-with-the-dolphin (SWTD) program