§ 1503. Registration. (a) Every person who becomes a controlled insurer shall, within thirty days thereafter register with the superintendent and shall amend the registration within thirty days following any change in the identity of its holding company or any other material change to the information provided in the registration. The registration shall be in such form and shall contain such matters as the superintendent prescribes. The superintendent may grant reasonable extensions of the time to register.(b) A holding company that directly or indirectly controls an insurer shall adopt a formal enterprise risk management function and shall file an enterprise risk report with the superintendent by April thirtieth of each year. The report shall, to the best of the holding company's knowledge and belief, identify the material risks within the holding company system that could pose enterprise risk to the insurer.