N.D. Cent. Code § 23.1-13-11: Labeling diesel fuel

Every package, barrel, pump, and every tank wagon, truck, or car containing diesel fuel for sale or consignment, when held within this state or transported into this state, must be clearly and distinctly tagged, marked, or labeled with the designation "diesel fuel" together with its cetane number and the grade established by the department. Every oil station pipeline for diesel fuel must be painted green.