Michigan Compiled Laws, Chapter 483. Oil, Gas and Brine Lines § 483.154

Sec. 4. Any person who engages in the transportation of gas or who owns or operates pipeline facilities shall file with the commission a plan for inspection and maintenance of each pipeline facility owned or operated by the person and any changes in the plan, in accordance with rules prescribed by the commission. If at any time the commission finds that the plan is inadequate to achieve pipeline safety, after notice and opportunity for a hearing, it shall require the plan to be revised. In determining the adequacy of any plan the commission shall consider: