County clerk required to update preregistration or registration when person moves to another county.

Nev. Rev. Stat. § 293.527

in effect

When a person moves to another county and preregisters to vote therein, or an elector moves to another county and registers to vote therein, the county clerk of the county where the person or elector has moved shall update the persons preregistration or electors registration, as applicable, in the database created by the Secretary of State pursuant to NRS 293.675.