In advertising and marketing, the law requires that objective claims be truthful and substantiated. Deceptive marketing is fundamentally different from everyday interpersonal deception.The Division of Advertising Practices (Division or DAP) enforces the nation's "truth-in-advertising" laws, which require advertisers to tell the truth. U.S.C. § 45(a), which prohibits unfair or deceptive acts or practices in or affecting commerce. • "Deceptive" practices are defined in the FTC's. Q: How can I tell if an advertising or marketing practice is deceptive or unfair? In this module we'll learn about how the federal government has responded to false advertising and marketing to protect American consumers. Video Game Industry, 32 LOY. The remedies that can be employed in the event an ad is judged deceptive or misleading have also stimulated considerable discussion. Respondents are asked a series of questions about weight loss methods, but not.