(1) As used in this chapter, unless the context requires otherwise, “rating organization” means:
(a) Every person, other than an insurer, whether located within or outside this state who has as the person’s object or purpose the making of rates, rating plans or rating systems; or
(b) Two or more insurers which act in concert for the purpose of making rates, rating plans or rating systems.
(2) Subsection (1) of this section does not include, apply to or affect two or more insurers operating within the specific authorizations contained in ORS 737.275, 737.312, 737.365, 737.390 and 737.526.