(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 is 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 RCW 48.19.270, 48.01.080 and 48.19.430; and to chapter 48.03 RCW of this code.

(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, he or she may issue a written order specifying in what respects such activity or practice is unfair, or unreasonable or so inconsistent, and requiring the discontinuance of the activity or practice.