Nev. Rev. Stat. § 463.250
Nothing contained in this chapter shall be deemed to affect the powers conferred by the provisions of the charter or organic law of any county or incorporated city in the State of Nevada to fix, impose and collect a license tax, and in all such counties or incorporated cities having such powers the sheriff shall not issue any such license for the operation of any such slot machine, game or device within the boundaries of such county or incorporated city until the applicant shall have first exhibited to the sheriff a valid and subsisting license obtained from such county or incorporated city, located within the county, permitting the operation of such slot machine, game or device at the location applied for within the boundaries of such county or incorporated city.
NRS 463.250