Okla. Stat. tit. 22, § 730
A. A judge of a state court of record in another state, which by its laws has made provision for commanding persons confined in penal institutions within that state to attend and testify in this state, may certify as follows:
B. Upon presentation of the certificate to any judge having jurisdiction over the person confined and on notice to the attorney general, the judge in this state shall:
Laws 1989, SB 311, c. 100, § 3, eff. November 1, 1989.