What is deceptive or false advertising? These laws prohibit everything from using a fake trademark to altering a used car's odometer.Understanding Nevada's deceptive trade practice law. "Deceptive Advertising" – When is it a crime in Nevada? NRS 598.1305 - Prohibited acts; jurisdiction of Attorney General; violation constitutes deceptive trade practice. Like many states, Nevada enacted deceptive trade practices statutes to protect consumers. 040 False, deceptive or misleading information and advertising prohibited. Consumers in Nevada should be aware of the concept of deceptive trade practices when purchasing a service or product in the state. Violations of the law are considered unfair or deceptive trade practices subject to enforcement under the Nevada Consumer Protection Act. Prohibits specific deceptive and abusive telemarketing acts or practices.