220 CMR, § 69.02
Officers, employees, or agents authorized by the Commission of the Department (Commission) or its designee, upon presenting appropriate credentials, are authorized to enter upon, inspect and examine, at reasonable times and in a reasonable manner, the records and properties of gas companies, municipal gas departments, and steam distribution companies to the extent such records and properties are relevant to determining compliance with 220 CMR 20.00: Steam Distribution Companies, 101.00 through 115.00, and 49 CFR Parts 40, 192, 193 and 199. The facilities, reports, and records needed to ensure such compliance shall be accessible to the Department for such inspections. Each gas company, municipal gas department, or steam distribution company shall provide the Department with such reports, supplemental data, and information as the Department may request for the enforcement and administration of 220 CMR 69.00, except that said companies and departments need not provide the Department with copies of security procedures for a facility, if such security procedures are made available at the facility for review and inspection by the Department.
220 CMR, § 69.02