Okla. Stat. tit. 22, § 22-734: Certificate from this state to another state to compel

prisoner to appear and testify - Contents - Presentation - Notice to

attorney general of other state.

A. If a person confined in a penal institution in any other

state may be a material witness in a criminal proceeding pending in

a court of record or in a grand jury investigation in this state, a

judge of the court may certify as follows:

1. There is a grand jury or a criminal proceeding pending in

this court;

2. A person who is confined in a penal institution in the other

state may be a material witness in the proceeding or investigation;

and

3. His presence will be required during a specified time.

B. The judge of the court in this state shall:

1. Present the certificate to a judge of a court of record in

the other state having jurisdiction over the prisoner confined; and

2. Give notice to the attorney general of the state in which

the prisoner is confined, that the prisoner's presence will be

required.