9 C.F.R. § 156.2
For the purposes of this part, unless the context otherwise requires, the following terms shall be construed, respectively, to mean:
Administrator. The Administrator, Animal and Plant Health Inspection Service, or any person authorized to act for the Administrator.
Animal product. Anything made of, derived from, or containing any material of animal origin.
Applicant. Any person who requests service under this part.
Department. The United States Department of Agriculture.
Inspector. Any officer or employee of the Department of cooperating agency authorized to perform any duties at any plant furnished service under this part.
Inspector in charge. An inspector of the Department assigned by the Administrator to supervise, review, and perform official work pertaining to a plant furnished service under this part.
Person. Any individual, corporation, company, association, firm, partnership, society, joint stock company, or other form of organization.
9 C.F.R. §156.2