(a) Registration. — (1) Every insurer which is authorized to do business in this state and which is a member of an insurance holding company system shall register with the commissioner, except a foreign insurer subject to disclosure requirements and standards adopted by statute or regulation in the jurisdiction of its domicile which are substantially similar to those contained in this section, subsections (a), (b) and (c), section five of this article, and either subsection (d), section five of this article or has a provision such as the following: "Each registered insurer shall keep current the information required to be disclosed in its registration statement by reporting all material changes or additions within fifteen days after the end of the month in which it learns of each change or addition."
(2) Any insurer which is subject to registration under this section shall register within fifteen days after it becomes subject to registration and annually thereafter by June 1 of each year for the previous calendar year, unless the commissioner for good cause shown extends the time for registration. The commissioner may require any authorized insurer which is a member of a holding company system which is not subject to registration under this section to furnish a copy of the registration statement, the summary described in subsection (c) of this section, or other information filed by such insurance company with the insurance regulatory authority of domiciliary jurisdiction.