Okla. Stat. tit. 43, § 43-601-603: Effect of registration for enforcement

A. A support order or income-withholding order issued in

another state or a foreign support order is registered when the

order is filed in the registering tribunal of this state.

B. A registered support order issued in another state or

foreign country is enforceable in the same manner and is subject to

the same procedures as an order issued by a tribunal of this state.

C. Except as otherwise provided in this act, a tribunal of this

state shall recognize and enforce, but may not modify, a registered

support order if the issuing tribunal had jurisdiction.