All implements of husbandry, as defined in section 39-01-01, and machinery, including all road construction machinery, designed for operation at a speed of twenty-five miles [40.23 kilometers] an hour or less, must display either a triangular slow-moving vehicle emblem or a
rotating or flashing amber light, as authorized for class B emergency vehicles, whenever traveling along the roadway on any county, state, federal highway, or city street in the state of North Dakota. The emblem or light must be mounted so as to be visible from a distance of not less than five hundred feet [152.4 meters] to the rear. The director shall adopt standards and specifications for the design and position of mounting the slow-moving vehicle emblem and light. The standards and specifications for slow-moving vehicle emblems referred to in this section must correlate with and, so far as possible, conform with those approved by the American society of agricultural engineers. No vehicle, other than those specified in this section, must display a slow-moving vehicle emblem, and its use on any type of stationary object is prohibited. Any person who fails or refuses to comply with the provisions of this section must be assessed a fee of twenty dollars for each offense.
39-21-51. Alteration of odometers or other mileage recorders, hour meters on tachometers, or other hour recorders - Penalty. A person may not willfully, as defined in section 12.1-02-02, alter a motor vehicle odometer or other mileage recorder, hour meter on tachometer, or other hour recorder, or offer for sale or sell a motor vehicle knowing the odometer or other mileage recorder has been altered, for the purpose of deceiving another. Violation of this section is a class C felony if the person has previously been convicted of violating this section, or if the person has violated this section with respect to more than one vehicle, and a class B misdemeanor in all other cases.
39-21-52. Exemption for certain street rod, collector, or special interest motor vehicles. The provisions of this chapter or chapter 37-12-02 of the North Dakota Administrative Code relating to bumpers, tires, and fenders do not apply to street rod, collector, or special interest motor vehicles. However, a street rod, collector, or special interest vehicle must have all equipment, in operating condition, which was specifically required by law as a condition for its sale when it was first manufactured. For purposes of this section "street rod, collector, or special interest vehicle" means a modernized motor vehicle which was manufactured by a recognized manufacturer and which retains the general appearance and original body configuration as manufactured or a motor vehicle designed and manufactured to resemble such a motor vehicle, which is at least forty years old. A street rod, collector, or special interest vehicle may have improved modifications to the body, chassis, engine, brakes, power train, steering, and suspension systems either by modifying the original equipment or replacing original parts with fabricated parts or those taken from other existing vehicles. The director may adopt rules to implement this section.