A subpoena issued pursuant to NRS 284.391 extends to all parts of the State and must be served in accordance with the provisions of N.R.C.P. 4(c). No witness may be required to attend at a place out of the county in which the witness resides unless the distance is less than 100 miles from the place of residence of the witness, except, upon affidavit of any party showing that the testimony of that witness is material and necessary, the hearing officer may endorse on the subpoena an order requiring the attendance of the witness in response to the subpoena.
NRS 284.392