California Code, Business and Professions Code - BPC § 7083

(a) Notwithstanding any other law, licensees shall notify the registrar, on a form prescribed by the registrar, in writing within 90 days of any change to information recorded under this chapter.  This notification requirement shall include, but not be limited to, changes in business address, personnel, business name, qualifying individual bond exemption pursuant to Section 7071.9, or exemption to qualify multiple licenses pursuant to Section 7068.1.

(b) Failure of the licensee to notify the registrar of any change to information within 90 days shall cause the change to be effective the date the written notification is received at the board's headquarters office.

(c) Failure to notify the registrar of the changes within the 90 days is grounds for disciplinary action.