9 CFR § 354.20
Licensed or authorized inspectors
November 6, 2020
(a) Any person who is a Federal or State employee or the employee of a local jurisdiction possessing proper qualifications as determined by an examination for competency, and who is to perform inspection service under this part may be licensed or otherwise authorized by the Secretary as an inspector.
(b) All licenses issued by the Secretary shall be countersigned by the officer in charge of the rabbit inspection service of the Animal and Plant Health Inspection Service or any other designated officer of such Service.