California Code, Business and Professions Code - BPC § 4990.07

(a) An applicant, registrant, or licensee who has an electronic mail address shall provide the board with that electronic mail address no later than July 1, 2022.  The electronic mail address shall be considered confidential and not subject to public disclosure.

(b) An applicant, registrant, and licensee shall provide to the board any and all changes to their electronic mail address no later than 30 calendar days after the changes have occurred.

(c) The board shall, with each renewal application, remind licensees and registrants of their obligation to report and keep current their electronic mail address with the board.