1. Every group, association or other organization of insurers which engages in joint underwriting or joint reinsurance, shall be subject to regulation with respect thereto as provided in this section, subject, however, with respect to joint underwriting, to all other provisions of this chapter and, with respect to joint reinsurance, to sections 515A.12 and 515A.16 through 515A.19.
2. 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 chapter, the commissioner may issue a written order specifying in what respects such activity or practice is unfair or unreasonable or otherwise inconsistent with the provisions of this chapter, and requiring the discontinuance of such activity or practice.