O.C.G.A. § 33-9-17: Requirement by rating organizations of membership by all insurers having common ownership or operating under common management.

If two or more insurers having a common ownership or operating in this state under common management are admitted for the classes or types of insurance for which a rating organization is licensed to make rates, the rating organization may require as a condition to membership or subscribership of one or more that all the insurers shall become members or subscribers.