Okla. Stat. tit. 20, § 1505

Licenses from other states - National certification. A person holding a license from another state which is deemed by the State Board of Examiners of Certified Shorthand Reporters to be equivalent to that of an Oklahoma certified shorthand reporter, or holding current national certification as a shorthand reporter, or holding both an equivalent license from another state and national certification, may be enrolled without examination as an Oklahoma certified shorthand reporter upon satisfying the Board that the credentials of the applicant are in proper order.