Municipal Code: Prohibited acts – Consumer fraud, unfair competition or deceptive practices. Consumer Fraud Helplines 1-800-386-5438 (Chicago) 1-800-243-0618 (Springfield) 1-800-0618-0607 (Carbondale).Individuals with hearing Deceptive Business Practices Act. The Illinois Deceptive Business Practices and Consumer Fraud Act (Act) protects consumers from businesses that would try to take advantage of them. Free Consultation - Call (312) 902-3344 - This page provides information about deceptive practices and fraud. 4-276-480 Deceptive practices – Penalty. Under this law, businesses are prohibited from engaging in various fraudulent and deceptive practices. This statute is designed to protect consumers from deceptive business practices that may be used in the course of trade or commerce. Have you experienced fraudulent or deceptive business practices?