Nev. Const. art. 15, § 15
The legislature shall provide by law for a state merit system governing the employment of employees in the executive branch of state government.
[Added in 1970. Proposed and passed by the 1967 legislature; agreed to and passed by the 1969 legislature; and approved and ratified by the people at the 1970 general election. See: Statutes of Nevada 1967, p. 1829; Statutes of Nevada 1969, p. 1720.]