California Code, Business and Professions Code - BPC § 10015.1

“Responsible broker” means the real estate broker responsible for the exercise of control and supervision of real estate salespersons under Section 10159.2, or a licensee subject to discipline under subdivision (h) of Section 10177 for failure to supervise activity requiring a real estate license. The supervision of a salesperson required under this part or any other law is limited to regulatory compliance and consumer protection.