The Office of the New York State Attorney General protects New Yorkers from fraudulent, misleading, deceptive, and illegal trade practices. You can file a claim for a deceptive practice or act under section 349 of the New York General Business Law.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. The Department of State's Division of Consumer Protection provides resources for the business community to help them comply with the law. The New York City Consumer Protection Law forbids all deceptive or unconscionable trade practices in the sale, lease, rental, or loan. I have prepared this brochure to provide some common examples of deceptive business practices and help explain your rights as a consumer. 349 - Deceptive Acts and Practices Unlawful. GBL § 349 prohibits "deceptive acts or practices in the conduct of any business, trade or commerce or in the furnishing of any service. The main consumer protection provision is New York.