No supplier shall commit an unfair or deceptive act or practice in connection with a consumer transaction. A set of laws that aim to protect consumers from sales practices that are deceptive, unfair, or unconscionable.(A) No supplier shall commit an unfair or deceptive act or practice in connection with a consumer transaction. The law expressly prohibits suppliers from engaging in unfair or deceptive acts or practices "in connection with" a consumer transaction. The Ohio Code also regulates trade practices and advertising through the Deceptive Trade Practices Act (DTPA; Ohio Rev. What Are My Rights As A Consumer? Unfair or deceptive acts or practices are defined in OHIO REV. We enforce federal competition and consumer protection laws that prevent anticompetitive, deceptive, and unfair business practices. We enforce federal competition and consumer protection laws that prevent anticompetitive, deceptive, and unfair business practices.