Section 11: Persons engaged in business; actions for unfair trade practices; class actions; damages; injunction; costs 93A is the primary consumer protection law in Massachusetts.Under Massachusetts deceptive trade practice laws a party can be held liable for three-times damages for rolling back an odometer. Massachusetts General Laws Chapter 93A governs consumer protection law in Boston. Chapter 93A makes it unlawful for a business engaged in commerce in the Commonwealth to commit unfair or deceptive business acts or practices. Massachusetts amended its law in 1972, adding a section conferring a private right of action to "any person who engages in the conduct of any trade or commerce… Auto Flat later amended its complaint to add a claim under Massachusetts G.L. c. The "Massachusetts Consumer Protection Act" is short-form title for the "Regulation of Business Practices for Consumers Protection," M.G.L. c. Section 42D(b) represents a substantial change in Massachusetts trade secret litigation. Section 42D(b) represents a substantial change in Massachusetts trade secret litigation.