Massachusetts General Laws Chapter 93A §§1, 2, 9 — Consumer Protection (Hook for 940 CMR 3.17)

§1 = definitions; §2 = prohibits unfair/deceptive acts in trade + grants AG rulemaking authority (source of authority for 940 CMR 3.17); §9 = tenant private right of action for landlord violations. Confirmed as structurally required hooks for 940 CMR 3.17 (Phase 0 item 2, 2026-09-11).