Okla. Stat. tit. 22, § 22-785: Issuance of commission - Continuance

If the court or the judge to whom the application is made, is

satisfied of the truth of the facts stated and that the examination

of the witness is necessary to the attainment of justice, an order

must be made that a commission be issued to take his testimony, and

the court or judge may insert in the order a direction that the

trial be stayed for a specified time reasonably sufficient for the

execution of the commission and return thereof, or the case may be

continued.