# Chapter 420, § 1: General Provisions

- **operation:** document
- **citation:** 65-407 C.M.R. ch. 420, § 1
- **title:** Chapter 420, § 1: General Provisions
- **source type:** regulation
- **agency:** Maine Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** 2026-06-30
- **effective on:** 2026-06-30
- **summary:** A. Scope
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- **source url:** https://www.maine.gov/sos/sites/maine.gov.sos/files/inline-files/407c420-2026-135-AMD.docx
**body:**

A. Scope

  This rule applies to all operators of gas utilities defined in 35-A
  M.R.S. §102(8) "Gas utility," all operators of gas pipelines as
  defined in 49 C.F.R. Part 192 except liquid propane gas distribution
  systems, and all natural gas pipeline utilities as defined in 35-A
  M.R.S. §102(10) "Natural Gas Pipeline utility"; provided that this
  rule does not apply to interstate natural gas pipeline facilities or
  interstate pipeline transportation.

  B. Applicable Codes

  1. The minimum standards for operation of natural gas and liquefied
  natural gas pipeline facilities are established by adoption of the
  following federal regulations, including amendments thereto:

  a. The provisions of Parts 191, 192, and 193 of Title 49 of the Code
  of Federal Regulations (C.F.R.), including all amendments and
  revisions thereto, govern the design, fabrication, installation,
  inspection, reporting, testing, and the safety aspects of operation
  and maintenance of gas transmission and distribution systems,
  including gas pipelines, gas compressor stations, gas metering and
  regulating stations, gas mains, and service lines.

  b. Title 49 C.F.R. Part 190, "Pipeline Safety Programs and Rulemaking
  Procedures," and Part 198, "Regulations for Grants to Aid State
  Pipeline Safety Programs," including all amendments and revisions
  thereto, govern certain enforcement, one-call system, and other
  matters for the MPUC's pipeline safety program, in concert with the
  provisions of this Chapter.

  c. The provisions of 49 C.F.R. Part 199, including all amendments and
  revisions, which incorporate 49 C.F.R. Part 40 by reference, govern
  the drug testing inspection of operators of natural gas facilities.

  2. Where Chapter 420 and Chapter 895 (Underground Facility Damage
  Prevention Requirements) establish more stringent requirements or
  requirements in addition to the federal pipeline safety regulations
  adopted pursuant to Section 1(B)(1)(a), (b) and (c) of this Chapter,
  the requirements set forth in Chapter 420 or Chapter 895 will apply.

  3. Where this Chapter refers to "violations of this Chapter" or uses
  similar language, this means violations of Chapter 420 and the
  portions of Title 49 C.F.R. Parts 40, 190, 191, 192, 193, 198, and 199
  incorporated above.
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