The hearing officer shall render a decision in the case, including an order directing payment of compensation, if compensation is due, within 15 days after the hearing or receiving the reports necessary in rendering the decision. The hearing officer may affirm, modify or reverse the decision of the compensation officer. The hearing officer shall mail his or her decision to the applicant and include any information necessary for appealing the decision to the appeals officer.
and asking for an order of the court compelling the witness to attend and testify or produce the books and papers before the hearing officer.
NRS 217.113