• 220 CMR 1.00  pdf format of Procedural Rules

    Procedural Rules
  • 220 CMR 2.00  pdf format of 220 CMR 2.00

    Adoption of Regulations
  • 220 CMR 5.00  pdf format of 220 CMR 5.00

    Tariffs, Schedules and Contracts (Other Than Commercial Motor Vehicle)
  • 220 CMR 13.00 links to PDF file

    Consumer Protection From the Unauthorized Changing of Local of Long Distance Telephone Service Providers
  • 220 CMR 15.00  pdf format of 229 CMR 15.00

    Accelerated Docket for Disputes Involving Competing Telecommunications Carriers
  • 220 CMR 16.00  pdf format of 220 CMR 16.00

    Rules Governing the Recovery Expenses Relating to the Provision of Wireline Enhanced 911 (E-911) Services, Dual Party TDD/TTY Message Relay Services, and Adaptive Equipment Services by Telecommunications Carriers
  • 220 CMR 26.00  pdf format of 220 CMR 26.00

    Security Deposits and Late Payment Charges Applicable to Non-Residential Customers
  • 220 CMR 37.00  pdf format of 220 CMR 37.00

    Automatic Telephone Dialing Systems
  • 220 CMR 45.00  pdf format of 220 CMR 45.00

  • 220 CMR 77.00  pdf format of 220 CMR 77.00

    Voting Trust Certificates of Public Utilities
  • 220 CMR 78.00  pdf format of 220 CMR 78.00

    Accounting Treatment of Investment Tax Credit for Utilities
  • 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 ("Dig Safe")
  • 220 CMR 126.00  pdf format of 220 CMR 126.00

    Underground Electric Supply and Communication Lines 50,000 Volts and Below
  • 220 CMR 273.00  pdf format of 220 CMR 273.00

    Distribution and Maintenance of Telecommunications Devices for the Deaf and Specialized Customer Premises Equipment to Residential Subscribers with Disabilities

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