Okla. Stat. tit. 43, § 43-601-208: Child support orders for two or more obligees

In responding to registrations or petitions for enforcement of

two or more child support orders in effect at the same time with

regard to the same obligor and different individual obligees, at

least one of which was issued by a tribunal of another state or a

foreign country, a tribunal of this state shall enforce those orders

in the same manner as if the orders had been issued by a tribunal of

this state.