Minnesota Statutes Transportation (Ch. 160-174A) § 169.48. Vehicle lighting

Subdivision 1. Lights to be displayed. (a) Every vehicle upon a highway within this state:

shall display lighted headlamps, lighted tail lamps, and illuminating devices, as hereinafter, respectively, required for different classes of vehicles, subject to exceptions with respect to parked vehicles and law enforcement vehicles, as hereinafter stated. In addition to the other requirements of this paragraph, every school bus transporting children upon a highway within this state, at any time from a half hour before sunrise to a half hour after sunset, shall display lighted headlamps, lighted tail lamps, and illuminating devices as required by this paragraph, except that the operator shall use the lowermost distribution of light specified insection 169.60unless conditions warrant otherwise.

(b) When requirement is hereinafter declared as to the distance from which certain lamps and devices shall render objects visible or within which such lamps or devices shall be visible, these provisions shall apply during the time stated in this section upon a straight level unlighted highway under normal atmospheric conditions unless a different time or condition is expressly stated and unless otherwise specified the location of lamps and devices shall refer to the center of such lamps or devices. Parking lamps shall not be used in lieu of headlamps to satisfy the requirements of this section.