Nev. Rev. Stat. § 386.835
1. On and after January 1, 2016, with respect to any new school bus which is purchased by a school district to transport pupils, the school bus must meet the following standards in addition to being equipped as required by the regulations of the State Board:
(a) Occupant seating within the school bus must be tested in accordance with either:
(b) For the purposes of paragraph (a) such testing must be conducted on a complete seat assembly inside a test room or school bus, and occupant seating shall be deemed to have failed the ASTM E1537 test or Fire Block Test, as applicable, if:
2. Except as otherwise provided in subsection 3, each plastic component contained in the engine compartment of a new school bus which is purchased by a school district on and after July 1, 2016, to transport pupils must meet one of the following classifications when tested in accordance with the Underwriters Laboratories Inc. Standard 94, “the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing”:
(b) If the component is located within 100 millimeters directly above an exhaust component that is not shielded, including, without limitation, a catalytic converter, an exhaust gas recirculation pipe that carries uncooled exhaust gas, an exhaust manifold or an exhaust pipe:
3. In lieu of meeting the requirements set forth in subsection 2, a new school bus may be purchased by a school district on or after July 1, 2016, to transport pupils if it meets the following requirements:
(Added to NRS by 2011, 470; A 2013, 1022)—(Substituted in revision for NRS 392.405)