Use this form to provide information about suspicious or improper business practices that you are experiencing which may affect the general public. The Michigan Consumer Protection Act prohibits various unfair and deceptive trade practices and gives local prosecutors the power to enforce the law. Under.Laws prohibiting deceptive trade practices are intended to prohibit business tactics that mislead the public into purchasing a product or service. Complete our online form. The Michigan Consumer Protection Act prohibits false advertising, automobile odometer tampering, and other forms of deceptive trade practices. Laws prohibiting unfair, deceptive, or abusive business practices protect consumers in each state. Typically, the section number listed is the specific section prohibiting unfair and deceptive trade practices. If you have been cheated out of money or deceived in a financial transaction, chances are a federal or state consumer protection law has been violated. Laws prohibiting unfair, deceptive, or abusive business practices protect consumers in each state. By the stroke of a pen the "liberal" federal diversity cases were deprived of binding effect in the very courts which had decided them.