Nevada Revised Statutes Title 36. Military Affairs and Civil Emergencies § 412.122. Governor may order National Guard into active service of State and declare martial law;  procedure in absence of Governor from State or because of impossibility of immediate communication with Governor

1. The Governor may in case of invasion, disaster, insurrection, riot, breach of the peace, or imminent danger thereof, or other substantial threat to life or property, or upon a request for assistance from a political subdivision or governmental utility, as defined in NRS 239C.050, that has experienced a significant cybersecurity incident, order into active service of the State for such a period, to such an extent and in such a manner as he or she deems necessary all or any part of the Nevada National Guard.  The authority of the Governor includes the power to order the Nevada National Guard or any part thereof to function under the operational control of the United States Army, Navy or Air Force commander in charge of the defense of any area within the State which is invaded or attacked or is or may be threatened with invasion or attack.

2. In case of the absence of the Governor from the State, or if it is impossible to communicate immediately with the Governor, the civil officer making a requisition for troops may, if the civil officer deems the necessity imminent and not admitting of delay, serve a copy of the requisition, together with a statement of the Governor's absence or the impossibility of immediately communicating with the Governor, upon the following officers in this order:

If the call is afterward disapproved by the Governor, the troops called into service must be disbanded immediately.

3. The Governor may order into active service of the State for such a period, to such an extent and in such a manner as the Governor deems necessary units or individual members of the Nevada National Guard when in his or her judgment the services of the units or members are required for:

4. Whenever any portion of the Nevada National Guard is employed pursuant to subsection 1, the Governor, if in his or her judgment the maintenance of law and order will thereby be promoted, may by proclamation declare the county or city in which the troops are serving, or any specified portion thereof, to be under martial law.