Versions of See prior versions of a law on LawServer 2023 South Dakota Codified Laws 32-12A-22.1. Exemption from hazardous materials endorsement for certain persons with Class A combination vehicle license 2022 South Dakota Codified Laws 32-12A-22.1. Exemption from hazardous materials endorsement for certain persons with Class A combination vehicle license 2021 South Dakota Codified Laws 32-12A-22.1. Exemption from hazardous materials endorsement for certain persons with Class A combination vehicle license