California Code, Business and Professions Code - BPC § 4900

(a) All veterinary licenses, veterinary technician registrations, and veterinary assistant controlled substance permits, shall expire at 12 midnight of the last day of the month in which the license was issued during the second year of a two-year term if not renewed.

(b) All premises registrations shall expire annually at 12 midnight of the last day of the month in which the license was issued, unless renewed.

(c) To renew an unexpired license, registration, or permit, the licensee, registrant, or permitholder shall, on or before the date of expiration of the license or registration, apply for renewal on a form provided by the board, accompanied by the prescribed renewal fee.The renewal application shall contain a statement to the effect that the applicant has not been convicted of a felony or misdemeanor, has not been the subject of professional disciplinary action taken by any public agency in California or any other state or territory, and has not violated any of the provisions of this chapter. If the applicant is unable to make that statement, the application shall contain a statement of the conviction, professional discipline, or violation.

(d) Each licensee, registrant, and permitholder who has an electronic mail address shall report to the board that electronic mail address during the time of renewal and confirm that the electronic mail address and address of record is current and valid. The electronic mail address shall be considered confidential and not subject to public disclosure.