N.D. Cent. Code § 39-08-20.2

Special mobile equipment is not subject to the requirement of a motor vehicle liability policy under section 39-08-20. However, special mobile equipment must be covered under a liability policy. Failure to provide satisfactory evidence of liability coverage required under this section within ten days after a police officer has requested evidence of liability coverage is an infraction punishable solely by a fine of one hundred fifty dollars for a first violation and is an infraction punishable solely by a fine of three hundred dollars for a second or subsequent violation in three years. A municipal court or district court shall make a report of a violation of this section to the secretary of state for any special mobile equipment owned or operated by a contractor licensed under chapter 43-07.