These laws prohibit everything from using a fake trademark to altering a used car's odometer. File an online Complaint.A person engages in a "deceptive trade practice" if, in the course of his or her business or occupation, he or she: 1. Engaging in deceptive trade practice prima facie evidence of intent to injure competitor; other rights of action not limited. The official website of the Federal Trade Commission, protecting America's consumers for over 100 years. These authorizations are indicated in the table below, along with the applicable statute(s). A person engages in a "deceptive trade practice" when in the course of his or her business or occupation he or she knowingly: On the back of the Guide, fill in the name and address of your dealership. Describe events in the order in which they happened. ATF Form 4473 - Firearms Transaction Record Revisions.