Nevada Constitution Art. 4, § 20. Certain local and special laws prohibited

The legislature shall not pass local or special laws in any of the following enumerated cases--that is to say:

Regulating the jurisdiction and duties of justices of the peace and of constables, and fixing their compensation;

For the punishment of crimes and misdemeanors;

Regulating the practice of courts of justice;

Providing for changing the venue in civil and criminal cases;

Granting divorces;

Changing the names of persons;

Vacating roads, town plots, streets, alleys, and public squares;

Summoning and impaneling grand and petit juries, and providing for their compensation;

Regulating county and township business;

Regulating the election of county and township officers;

For the assessment and collection of taxes for state, county, and township purposes;

Providing for opening and conducting elections of state, county, or township officers, and designating the places of voting;

Providing for the sale of real estate belonging to minors or other persons laboring under legal disabilities;

Giving effect to invalid deeds, wills, or other instruments;

Refunding money paid into the state treasury, or into the treasury of any county;

Releasing the indebtedness, liability, or obligation of any corporation, association, or person to the state, or to any county, town, or city of this state; but nothing in this section shall be construed to deny or restrict the power of the legislature to establish and regulate the compensation and fees of county officers, to authorize and empower the boards of county commissioners of the various counties of the state to establish and regulate the compensation and fees of township officers in their respective counties, to establish and regulate the rates of freight, passage, toll, and charges of railroads, tollroads, ditch, flume, and tunnel companies incorporated under the laws of this state or doing business therein.