Nev. Rev. Stat. § 338.139
1. A public body or its authorized representative may award a contract for a public work pursuant to NRS 338.1375 to 338.13895, inclusive, to a specialty contractor if:
2. If a public body or its authorized representative awards a contract to a specialty contractor pursuant to NRS 338.1375 to 338.13895, inclusive, all work to be performed on the public work to which the contract pertains that is outside the scope of the license of the specialty contractor must be performed by a subcontractor who:
(Added to NRS by 2001, 2258; A 2003, 2129, 2429)