Oregon Revised Statutes Insurance § 744.740

(1) An insurer who uses the services of a third party administrator is responsible for determining the benefits, premium rates, underwriting criteria and claims payment procedures applicable to the coverage and for securing any reinsurance. The rules pertaining to such matters must be provided in writing by the insurer to the third party administrator.

(2) An insurer is solely responsible for providing competent administration of its programs.

(3) When a third party administrator administers benefits for more than 100 certificate holders on behalf of an insurer, the insurer shall conduct a review of the operations of the third party administrator at least annually.