California Code, Health and Safety Code - HSC § 1797.125.11

(a) If the board denies an appeal of an application for licensure, or upholds the authority's decision to deny an application for licensure, based solely or in part on the applicant's conviction history, the board shall notify the applicant in writing of all of the following:

(b) For a minimum of three years, the board shall retain application forms and other documents submitted by an applicant, a notice provided to an applicant, all other communications received from and provided to an applicant, and criminal history reports of an applicant.