Mass. Gen. Laws ch. 93A § 2 : ADMINISTRATION OF THE GOVERNMENT — REGULATION OF TRADE — REGULATION OF BUSINESS PRACTICES FOR CONSUMERS PROTECTION — Unfair practices; legislative intent; rules and regulations

(a) Unfair methods of competition and unfair or deceptive acts or practices in the conduct of any trade or commerce are hereby declared unlawful.
(b) It is the intent of the legislature that in construing paragraph (a) of this section in actions brought under sections four, nine and eleven, the courts will be guided by the interpretations given by the Federal Trade Commission and the Federal Courts to section 5(a)(1) of the Federal Trade Commission Act (15 U.S.C. 45(a)(1)), as from time to time amended.
(c) The attorney general may make rules and regulations interpreting the provisions of subsection 2(a) of this chapter. Such rules and regulations shall not be inconsistent with the rules, regulations and decisions of the Federal Trade Commission and the Federal Courts interpreting the provisions of 15 U.S.C. 45(a)(1) (The Federal Trade Commission Act), as from time to time amended.

Mass. Gen. Laws ch. 93A, § 2