# Public Utilities (GPU)

## Title 12. Underground Facilities

### Subtitle 1. Excavation or Demolition Near Underground Facilities

#### Section 12-123

(a)

  (1) An owner shall be a member of a one-call system.

  (2) Except as provided in paragraph (3) of this subsection, an owner becomes a member of a one-call system by registering with the one-call system.

  (3) The Department of Transportation, its administrations, and the Maryland Transportation Authority shall become members of the one-call system through a separate agreement and using the information collected under Sec. 12-124(b)(2) of this subtitle.

(b)

  (1) An owner-member of a one-call system shall submit to the one-call system, in writing, the telephone number of the person to which calls concerning proposed excavations or demolitions shall be directed.

  (2) An owner-member shall ensure that all contact information provided to the one-call system remains current.

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Md. Code Ann., Pub. Util. (as displayed at mgaleg.maryland.gov, October 16, 2026)