1.  The Commissioner and the Director, in addition to other powers conferred upon them by NRS 598.0903 to 598.0999, inclusive, may issue subpoenas to require the attendance of witnesses or the production of documents, conduct hearings in aid of any investigation or inquiry and prescribe such forms and adopt such regulations as may be necessary to administer the provisions of NRS 598.0903 to 598.0999, inclusive. Such regulations may include, without limitation, provisions concerning the applicability of the provisions of NRS 598.0903 to 598.0999, inclusive, to particular persons or circumstances.

2.  Except as otherwise provided in this subsection, service of any notice or subpoena must be made by certified mail with return receipt or as otherwise allowed by law. An employee of the Consumer Affairs Unit of the Department of Business and Industry may personally serve a subpoena issued pursuant to this section.