N.D. Cent. Code § 49-19-18: Joint action by commissions to regulate interstate commerce

Where pipelines within the scope of this chapter are engaged in interstate transportation of oil, coal, or gas, the commission shall act jointly and in conjunction with the supervisory body which exercises jurisdiction over and control of such pipelines within any other state for the purpose of control, supervision, making joint rates for interstate transportation of oil, coal, or gas, or any other matters within the scope of this chapter.