(a) Cooperation among rating organizations or among rating organizations and insurers in ratemaking or in other matters within the scope of this article is authorized if the filings resulting from that cooperation are subject to all the provisions of this article which are applicable to filings generally.

(b) The commissioner may review these cooperative activities and practices, and, if after hearing the commissioner finds that any activity or practice is unfair, unreasonable or otherwise inconsistent with this article, the commissioner may issue a written order specifying in what respects that activity or practice is unfair, unreasonable or otherwise inconsistent with this article and requiring the discontinuance of that activity or practice.