Okla. Stat. tit. 36, § 6470.18

A captive insurance company may not join or contribute financially to a plan, pool, association, or guaranty or insolvency fund in this state, and a captive insurance company, or its insured or its parent or any affiliated company or any member organization of its association, or in the case of a captive insurance company organized as a reciprocal insurer, a subscriber of the company, or in the case of a sponsored captive insurance company, a protected cell or participant in a protected cell may not receive a benefit from a plan, pool, association, or guaranty or insolvency fund for claims arising out of the operations of such captive insurance company.