At a hearing on a proposed regulation, the presiding officer may allow the questioning of those persons submitting statements to clarify testimony. The cross-examination of persons who testify is not allowed. The period for comment may be extended by the Authority so that written comments on statements of other persons which are offered at the hearing may be submitted to the Authority.
Nev. Admin. Code § 706.3988
NRS 233B.050, 706.171