32-22-12.1 Certain combination exempt--Specifications--Violation as misdemeanor--Rules. 32-22-12.2 Exception for combination of towing motor vehicle or farm tractor and two anhydrous ammonia fertilizer tanks. 32-22-12.3 Exception for combination of towing motor vehicle and two implements of husbandry operated by/for farm implement dealer. 32-22-12.4 Combination of towing vehicle and trailers or semitrailers transporting light or medium duty trailers for commercial delivery. 32-22-13