Nev. Const. art. 4, § 4

Senators: Election and term of office; eligibility for office. 1. Senators shall be chosen at the same time and places as members of the Assembly by the qualified electors of their respective districts, and their term of Office shall be four years from the day next after their election. 2. No person may be elected or appointed as a Senator who has served in that Office, or at the expiration of his current term if he is so serving will have served, 12 years or more, from any district of this State. [Amended in 1996. Proposed by initiative petition and approved and ratified by the people at the 1994 and 1996 General Elections.]