California Code, Penal Code - PEN § 11124

When an application is received by the department, the department shall determine whether a record pertaining to the applicant is maintained. If such record is maintained, the department shall furnish a copy of the record to the applicant or to an individual designated by the applicant. If no such record is maintained, the department shall so notify the applicant or an individual designated by the applicant. Delivery of the copy of the record, or notice of no record, may be by mail or other appropriate means agreed to by the applicant and the department.