Ways to File a Consumer Complaint Online: Submit your complaint online. Note: You do NOT need to create an account to file a complaint with DCWP.It is important that you attempt to resolve your complaint with the company before filing with the Division of Consumer Protection (DCP). The New York City Consumer Protection Law forbids all deceptive or unconscionable trade practices in the sale, lease, rental, or loan. A well informed consumer is the best defense against fraud and deception. You can file a claim for a deceptive practice or act under section 349 of the New York General Business Law. § 1 Scope note This chapter addresses the New York statutory provisions enacted to protect consumers from deceptive and misleading practices. What Are Deceptive Bank Practices? Deceptive and fraudulent advertising practices."28. New York General Business Law § 349 ("Section 349") is a law that protects consumers from deceptive acts and practices.