(a) No person may operate a segment of pipeline unless it is operated in accordance with this Part.

(b) Each operator shall prepare and file a detailed written operating and maintenance plan for complying with all the provisions of this Part before operations of a pipeline system commence; it must be reviewed and updated by the operator at intervals not exceeding 15 months, but at least once each calendar year. Appropriate parts of the plan must be kept at locations where operations and maintenance activities are conducted.

(c) Each operator shall establish and maintain the maps of its transmission lines and distribution mains and maps or records of its service lines as necessary to administer its operating and maintenance plan.

(d) Each operator shall satisfactorily conform with the program submitted.

(e) The commission may require an operator to amend its operating and maintenance plan as necessary to provide a reasonable level of safety.