You can file a claim for a deceptive practice or act under section 349 of the New York General Business Law. To establish a claim for unfair and deceptive trade practices, a plaintiff must show that the (1) defendant committed an unfair or deceptive act or practice.Unfair trade practices refer to the use of various deceptive, fraudulent, or unethical methods to obtain business. Psalm 1 No one who practices deceit shall dwell in my house. Examples of unfair and deceptive trade practices. Whereas intentional deception about a fact is false advertising and is improper. Match the description of the unfair or deceptive ad practices to the choice that best describes the practice. Additionally, the company has agreed to change its billing practices so that they are no longer deceptive. Deception in the interrogation room. Answer 1 of 30: I visited Kings Creek in October'11.