Recent Massachusetts regulations affecting small businesses
Page 6 of 14 • Last updated April 24, 2026
209 new Massachusetts regulations affecting small businesses have been published in the past 30 days. These cover compliance updates from state agencies, regional authorities, and licensing boards — flagged here when they change a rule, fee, deadline, or eligibility threshold. Each listing links to the official notice so you can read the full text and respond if it touches your business.
- 527 CMR 12.00 - Massachusetts Electrical CodeApril 24, 2026
Massachusetts regulation 527 CMR 12.00 sets electrical installation, maintenance and repair standards for wires, fixtures and equipment throughout the Commonwealth with updated safety requirements.
- Cannabis Control Commission - 935 CMR 501.300: Complaints ProcessApril 24, 2026
Massachusetts Cannabis Control Commission establishes public complaint procedures for marijuana treatment centers and host communities, with Commission discretion to investigate or refer complaints to other authorities.
- Cannabis Control Commission - 935 CMR 501.200: Counties of Dukes County and NantucketApril 24, 2026
Massachusetts Cannabis Control Commission regulation 935 CMR 501.200 allows Medical Marijuana Treatment Centers in Dukes County and Nantucket to operate without independent testing labs when unavailable, using alternative on-premises testing methods…
- Cannabis Control Commission - 935 CMR 501.180: Host Community Agreement Requirements - General RequirementsApril 24, 2026
Massachusetts Cannabis Control Commission establishes Host Community Agreement requirements including good faith negotiation, maximum 3% Community Impact Fee on gross sales, and Commission review procedures for license applicants and medical marijua…
- Cannabis Control Commission - 935 CMR 501.170: Municipal RequirementsApril 24, 2026
Massachusetts Cannabis Control Commission regulation 935 CMR 501.170 requires medical marijuana treatment centers and independent testing laboratories to comply with all local municipal rules, ordinances, and bylaws in addition to state regulations.
- Cannabis Control Commission - 935 CMR 501.160: Contamination Response and Failed Testing ProceduresApril 24, 2026
Massachusetts Cannabis Control Commission requires independent lab testing of medical marijuana and products for cannabinoids and contaminants, with 72-hour Commission notification of failures and one-year record retention.
- Cannabis Control Commission - 935 CMR 501.150: Edibles Labeling and Packaging RequirementsApril 24, 2026
Massachusetts Cannabis Control Commission rule 935 CMR 501.150 requires edibles to display production dates, nutritional panels keyed to THC servings, total THC content, delayed-impairment warnings, easily separable single servings in multi-serve pa…
- Cannabis Control Commission - 935 CMR 501.145: Patient Delivery General RequirementsApril 24, 2026
Massachusetts Cannabis Control Commission requires patient delivery operations to obtain approval, register employees, source only from licensed MTCs, track all products, limit daily retail value to $5,000–$10,000 depending on agent count, and restr…
- Cannabis Control Commission - 935 CMR 501.140: Physical Separation of Medical and Adult Use Sales Areas in Colocated OperationsApril 24, 2026
Massachusetts Cannabis Control Commission requires colocated medical and adult-use retailers to verify patient certification via registration cards, limit 60-day supplies, prohibit nicotine and certain alcohol, and maintain separate point-of-sale tr…
- Cannabis Control Commission - 935 CMR 501.130: Additional Operational Requirements for Handling and Testing Marijuana and Production of Marijuana Infused ProductsApril 24, 2026
Massachusetts Cannabis Control Commission regulation 935 CMR 501.130 sets operational standards for medical marijuana manufacturers including food sanitation compliance, environmental law adherence, testing documentation for product transfers, and e…
- Cannabis Control Commission - 935 CMR 501.120: Energy Efficiency and Equipment Standards for Marijuana CultivationApril 24, 2026
Massachusetts Cannabis Control Commission regulation 935 CMR 501.120 sets mandatory energy efficiency and equipment standards for medical marijuana cultivators, including 36 watts-per-square-foot lighting density limits and HVAC requirements, with t…
- Cannabis Control Commission - 935 CMR 501.110: Security Requirements for Medical Marijuana Treatment CentersApril 24, 2026
Massachusetts Cannabis Control Commission regulation 935 CMR 501.110 mandates comprehensive security measures for medical marijuana treatment centers including video surveillance with 90-day retention, duress alarms, and restricted access areas to p…
- Cannabis Control Commission - 935 CMR 501.105: General Operational Requirements for Medical Marijuana Treatment CentersApril 24, 2026
Massachusetts Cannabis Control Commission requires Medical Marijuana Treatment Centers to establish comprehensive operating procedures covering security, employee training, inventory management, recordkeeping, and product handling, with mandatory Re…
- 935 CMR 501.104 - Notification and Approval of ChangesApril 24, 2026
Massachusetts Commission requires medical test centers to obtain approval before implementing location, ownership, structural, or name changes, with the Executive Director authorized to approve certain modifications below specified thresholds.
- Cannabis Control Commission - 935 CMR 500.340: Quarantine OrderApril 24, 2026
Massachusetts Cannabis Control Commission can immediately quarantine or restrict marijuana products posing health or safety threats, with hearing rights triggered only if quarantine orders exceed 21 calendar days.