Nev. Rev. Stat. § 11.2055
1. Except as otherwise provided in subsection 2, for the purposes of this section and NRS 11.202, the date of substantial completion of an improvement to real property shall be deemed to be the date on which:
(c) A certificate of occupancy is issued for the improvement,
whichever occurs later.
(Added to NRS by 1999, 1444; A 2015, 17)