NRS 197.120: False impersonation of public officer; intrusion into and refusal to surrender public office.

Every person who shall falsely personate or represent any public officer, or who shall willfully intrude into a public office to which the person has not been duly elected or appointed, or who shall willfully exercise any of the functions or perform any of the duties of such officer, without having duly qualified therefor, as required by law, or who, having been an executive or administrative officer, shall willfully exercise any of the functions of office after his or her right to do so has ceased, or wrongfully refuse to surrender the official seal or any books or papers appertaining to such office, upon the demand of his or her lawful successor, shall be guilty of a gross misdemeanor.