California Code, Business and Professions Code - BPC § 7070

An applicant shall show that he or she has never been denied a license or had a license revoked for reasons that would preclude the granting of the license applied for.Where the board has denied an application for license under this chapter or Chapter 2 (commencing with Section 480) of Division 1.5, it shall, in its decision, or in its notice under subdivision (b) of Section 485, inform the applicant of the earliest date that the applicant may reapply for a license, which shall be one year from the effective date of the decision or service of notice under subdivision (b) of Section 485, unless the board prescribes an earlier date.