NRS 174.325: Production of prisoner as witness.

1. When it is necessary to have a person imprisoned in the state prison brought before any district court, or a person imprisoned in the county jail brought before a district court sitting in another county, an order for that purpose may be made by the district court or district judge, at chambers, and executed by the sheriff of the county when it is made. The order can only be made upon motion of a party upon affidavit showing the nature of the action or proceeding, the testimony expected from the witness, and its materiality.

2. When a person required as a witness before a district court is imprisoned, the judge thereof may order the sheriff to bring the prisoner before the court at the expense of the State or, in the judge’s discretion, at the expense of the defendant.