Nev. Rev. Stat. § 583.537
No person, firm or corporation engaged in the business of buying, selling or transporting in intrastate commerce, or importing, dead, dying, disabled or diseased animals, or any parts of the carcasses of any animals that died otherwise than by slaughter, shall buy, sell, transport, offer for sale or transportation, or receive for transportation, in intrastate commerce, or import, any dead, dying, disabled or diseased poultry, cattle, sheep, swine, goats, horses, mules or other equines, or parts of the carcasses of any such animals that died otherwise than by slaughter, unless such transaction, transportation or importation is made in accordance with such regulations as the Officer may prescribe to assure that such animals, or the unwholesome parts or products thereof, will be prevented from being used for human food purposes.
NRS 583.537