All licenses authorizing medical service plan corporations to transact business in this state shall be renewable on April 1 of each year, subject to the approval of the commissioner. Every medical service corporation licensed to do business in this state under this chapter shall obtain from the commissioner a certificate of authority for every agent writing or soliciting medical service plan contracts for the medical service corporation in this state, and the certificate shall be renewable January 1 of each year, subject to applicable sections of the insurance laws, including the revenue law of this state for ordinary life, health and accident insurance agents.