NRS 445B.840 Unlawful acts. 1. It is unlawful for any person to: (a) Possess any unauthorized evidence of compliance; (b) Make, issue or use any imitation or counterfeit evidence of compliance; (c) Willfully and knowingly fail to comply with the provisions of NRS 445B.700 to 445B.815, inclusive, or any regulation adopted by the Department of Motor Vehicles; (d) Issue evidence of compliance if he or she is not a licensed inspector of an authorized inspection station, authorized station or fleet station; (e) Except as otherwise provided in subsection 2, tamper with a device for the control of emissions of a motor vehicle or remove such a device from a motor vehicle, including, without limitation, exchanging the engine of a motor vehicle for a different engine; or (f) Possess an electronic device capable of tampering with a device for the control of emissions of a motor vehicle. 2. A person does not violate paragraph (e) of subsection 1 by exchanging the engine of a motor vehicle for: (a) An electric motor; or (b) A different engine if any device for the control of emissions of a motor vehicle that is included with the engine being inserted into the motor vehicle is operational. (Added to NRS by 1977, 919; A 1985, 1995; 1993, 2860; 2001, 2623; 2013, 1862; 2015, 128; 2025, 3198)