"Letter of approval" means a document, commonly known as a certificate of need, which is issued by the Director pursuant to NAC 439A.455 and which indicates the approval of a proposed project for which approval is required pursuant to NRS 439A.100, as amended by section 2 of Senate Bill No. 247, chapter 422, Statutes of Nevada 2015, at page 2436.
Nev. Admin. Code § 439A.205
NRS 439A.081