A person engages in a deceptive trade practice when, in the course of the person's business, vocation, or occupation, the person does any of the following: No supplier shall commit an unfair or deceptive act or practice in connection with a consumer transaction.Ohio's forgery laws cover false writings, IDs, objects, and recordings. Learn about forgery, forged IDs, and criminal simulation definitions and penalties. Ohio deceptive trade practice laws prohibit false advertising, auto odometer tampering, and other shady business practices. The Consumer Protection Section protects Ohioans from predatory and illegal business practices. The Ohio Code also regulates trade practices and advertising through the Deceptive Trade Practices Act (DTPA; Ohio Rev. Code §4165 et seq.). "immoral, unethical, oppressive, unscrupulous, or substantially. "Fair Trade Calculator" sites are giving too many players a false sense of fairness.