Okla. Stat. tit. 43, § 43-551-306
Enforcement of registered determination
ENFORCEMENT OF REGISTERED DETERMINATION
A. A court of this state may grant any relief normally
available under the laws of this state to enforce a registered child
custody determination made by a court of another state.
B. A court of this state shall recognize and enforce, but may
not modify, except in accordance with Article 2 of this act, a
registered child custody determination of a court of another state.