• 220 C.M.R. 1.00 pdf format of 220 C.M.R. § 1.00
      Procedural Rules – Effective June 17, 2016
    • 220 C.M.R. 2.00 pdf format of 220 C.M.R. § 2.00
      Rules for Adopting, Amending, or Repealing Regulations and for Issuing Advisory Rulings – Effective June 17, 2016
    • 220 CMR 5.00  pdf format of 220 CMR 5.00
      Tariffs, Schedules and Contracts (Other Than Commercial Motor Vehicle) – Effective June 17, 2016
    • 220 CMR 6.00  pdf format of 220 CMR 6.00
      Standard Cost of Gas Adjustment Clause – Effective June 17, 2016
    • 220 CMR 7.00  pdf format of 220 CMR 7.00
      Residential Energy Conservation Service Program Cost Recovery
    • 220 CMR 8.00  pdf format of 220 CMR 8.00
      Sales of Electricity by Qualifying Facilities and On-Site Generating Facilities to Distribution Companies, and Sales of Electricity by Distribution Companies to Qualifying Facilities and On-Site Generation Facilities
    • 220 CMR 9.00 and 10.00  pdf format of 220 CMR 9.00 and 10.00
      Reserved – Effective June 17, 2016
    • 220 C.M.R. 11.00 pdf format of 20 C.M.R. § 11.00
      Rules Governing the Restructuring of the Electric Industry – Effective June 17, 2016
    • 220 CMR 12.00  pdf format of 220 CMR 12.00
      Standards of Conduct for Distribution Companies and Their Affiliates
    • 220 CMR 14.00  pdf format of 220 CMR 14.00
      The Unbundling of Services Related to the Provision of Natural Gas – Effective June 17, 2016
    • 220 CMR 17.00  pdf format of 220 CMR 17.00
      Long-term Contracts for Renewable Energy
    • 220 CMR 18.00  pdf format of 220 CMR 18.00
      Net Metering - Final Regulations Effective July 29, 2016
    • 220 CMR 19.00  pdf format of 220 CMR 19.00
      Standards of Performance for Emergency Preparation and Restoration of Service for Electric Distribution and Gas Companies
    • 220 CMR 20.00  pdf format of 220 CMR 20.00
      Steam Distribution Companies
    • 220 CMR 21.00  pdf format of 220 CMR 21.00
      Competitively Solicited Long-term Contracts for Renewable Energy
    • 220 CMR 22.00  pdf format of 220 CMR 22.00
      Notification of Vegetation Maintenance Activities for Transmission Rights-of way
    • 220 CMR 25.00 pdf format of Billing and Termination Regulations
      Billing and Termination Procedures of the Department of Public Utilities
    • 220 CMR 26.00  pdf format of 220 CMR 26.00
      Security Deposits and Late Payment Charges Applicable to Non-Residential Customers
    • 220 CMR 27.00  pdf format of 220 CMR 27.00
      Elimination of the Practice of Gas and Electric Companies of Requiring a Deposit from Residential Customers as a Condition to Furnishing Utility Service
    • 220 CMR 28.00  pdf format of 220 CMR 28.00
      Billing Regulations for Condominiums
    • 220 CMR 29.00  pdf format of 220 CMR 29.00
      Billing Procedures for Residential Rental Property Owners Cited for Violation of the State Sanitary Code 105 CMR 410.354 or CMR 410.254
    • 220 CMR 30.00  pdf format of 220 CMR 30.00
      Reserved – Effective June 17, 2016
    • 220 CMR 31.00  pdf format of 220 CMR 31.00
      Optional Formula for Determining Allowed Rates of Return on Equity for Water Companies
    • 220 CMR 36.00  pdf format of 220 CMR 36.00
      Sample Test Procedures for New Residential and Small Commercial Gas Meters
    • 220 CMR 45.00  pdf format of 220 CMR 45.00
      Pole Attachment, Duct, Conduit and Right-of-way Complaint and Enforcement Procedures
    • 220 CMR 50.00  pdf format of 220 CMR 50.00
      Uniform System of Accounts for Gas Companies
    • 220 CMR 51.00  pdf format of 220 CMR 51.00
      Uniform System of Accounts for Electric Companies
    • 220 CMR 52.00  pdf format of 220 CMR 52.00
      Uniform System of Accounts for Water Companies
    • 220 CMR 69.00  pdf format of 220 CMR 69.00
      Procedures for the Determination of Violations of Codes Adopted by the Department of Public Utilities Pertaining to the Safety of Pipeline Facilities and the Transportation of Gas and for Enforcement of Said Codes; Minimum Safety Standards for Liquefied Natural Gas Facilities; Minimum Safety Standards for Gas Piping Systems
    • 220 CMR 75.00  pdf format of 220 CMR 75.00
      The Preservation of Records of Electric, Gas and Water Utilities
    • 220 CMR 77.00  pdf format of 220 CMR 77.00
      Voting Trust Certificates of Public Utilities – Effective June 17, 2016
    • 220 CMR 78.00  pdf format of 220 CMR 78.00
      Accounting Treatment of Investment Tax Credit for Utilities
    • 220 CMR 79.00  pdf format of 220 CMR 79.00
      Annual Return to be Filed by Gas and Electric Companies and Municipal Lighting Plants – Effective June 17, 2016
    • 220 CMR 99.00  pdf format of 220 CMR 99.00
      Procedures for the Determination and Enforcement of Violations of M.G.L. c. 82, §§ 40 through 40E ("Dig Safe")
    • 220 CMR 100.00  pdf format of 220 CMR 100.00
      Massachusetts Gas Distribution Code
    • 220 CMR 101.00  pdf format of 220 CMR 101.00
      General Requirements
    • 220 CMR 104.00  pdf format of 220 CMR 104.00
      Design, Operation and Maintenance of Liquefied Petroleum Plants and Related Facilities
    • 220 CMR 107.00  pdf format of 220 CMR 107.00
      Abandonment of Gas Service Lines and Leakage Survey Procedures.
    • 220 CMR 108.00  pdf format of 220 CMR 108.00
      Control of Drug Use
    • 220 CMR 109.00  pdf format of 220 CMR 109.00
      Design, Construction, Operation and Maintenance of Intrastate Pipelines Operating in Excess of 200 PSIG
    • 220 CMR 111.00  pdf format of 220 CMR 111.00
      Construction of Streets, Places and Ways, Except Residential Driveways, Over, Along or Across High Pressure Gas Mains Operating at Pressures in Excess of 200 PSIG
    • 220 CMR 112.00  pdf format of 220 CMR 112.00
      Design, Operation, Maintenance and Safety of Liquefied Natural Gas (LNG) Plants and Facilities
    • 220 CMR 113.00  pdf format of 220 CMR 113.00
      Operation Maintenance, Replacement and Abandonment of Cast-Iron Pipelines
    • 220 CMR 125.00  pdf format of 220 CMR 125.00
      Installation and Maintenance of Electric Transmission Lines
    • 220 CMR 126.00  pdf format of 220 CMR 126.00
      Underground Electric Supply and Communication Lines 50,000 Volts and Below
    • 220 CMR 149.00  pdf format of 220 CMR 149.00
      Procedures for the Determination of Violations and for Enforcement of M.G.L. c.159A and M.G.L. c.159B
    • 220 CMR 150.00  pdf format of 220 CMR 150.00
      Reserved
    • 220 CMR 151.00  pdf format of 220 CMR 151.00
      Rail Fixed Guideway System: System Safety/Security Program Standard
    • 220 CMR 152.00  pdf format of 220 CMR 152.00
      Sureties Required of Operators of Motor Vehicles for the Carriage of Passengers for Hire
    • 220 CMR 153.00  pdf format of 220 CMR 153.00
      Reserved
    • 220 CMR 155.00  pdf format of 220 CMR 155.00
      Operation of Motor Vehicles for the Carriage of Passengers for Hire Under a Certificate of Public Convenience and Necessity, Charter License, Special Service or School Service Permit
    • 220 CMR 156.00  pdf format of 220 CMR 156.00
      Transportation of Hazardous Materials by Rail
    • 220 CMR 250.00  pdf format of 220 CMR 250.00
      Transportation Oversight Division Practice
    • 220 CMR 260.00  pdf format of 220 CMR 260.00
      Motor Carriers and Brokers
    • 220 CMR 271.00  pdf format of 220 CMR 271.00
      Reserved
    • 220 CMR 272.00  pdf format of 220 CMR 272.00
      Rates for the Towing of Motor Vehicles