a. Every group, association, or other organization of insurers which engages in joint underwriting or joint reinsurance through such group, association or by standing agreement among the members thereof shall be subject to the provisions of this act and shall file with the commissioner: a copy of its constitution, articles of association and bylaws, a list of its members, and the name and address of a resident of this State upon whom notices or orders of the commissioner or process may be served. Every such group, association or other organization shall notify the commissioner promptly of any change in the documents required to be filed with him.
b. If, after a hearing, the commissioner finds that any activity or practice of any such group, association or other organization is unfair or unreasonable or otherwise inconsistent with the provisions of this act, he may issue a written order specifying in what respects the activity or practice is unfair or unreasonable or otherwise inconsistent with the provisions of this act, and requiring the discontinuance of the activity or practice.