Cal. Bus. & Prof. Code § 4841.5
(a) To obtain registration as a registered veterinary technician, the applicant shall satisfy the following requirements:
(4) Furnish satisfactory evidence of one of the following:
(5) Pass the national licensing examination for veterinary technicians. If the applicant passed the national licensing examination over five years from the date of submitting the veterinary technician registration application, the applicant shall perform one of the following: