(1) Any person duly licensed and appointed as a general lines agent, except a person holding a limited license provided for in s. 626.321, and any general lines insurance agency may appoint as customer representatives any persons who hold or have qualified for a customer representative’s license. (2) The same individual shall not be appointed as customer representative as to more than one appointing agent or agency at any one time, and the general lines agent designated pursuant to s. 626.7351(5) to supervise the work of the customer representative shall sign the appointment form, obligating himself or herself to supervise the customer representative’s conduct and business. (3) The department shall prescribe by rule forms to administer this section.