California Code, Financial Code - FIN § 100018

(b)(1) If a licensee seeks to change its place of business to a street address other than that designated in its license, the licensee shall provide written notice to the commissioner at least 10 days prior to the change.

(2) A licensee shall not engage in the business of debt collection at a new location in a name other than a name approved by the commissioner.

(3) A licensee that opens a new branch office or changes the location of an existing branch office shall notify the commissioner in writing of the new or changed branch office location within 30 days after the branch office begins business.