Versions of See prior versions of a law on LawServer 2023 South Dakota Codified Laws 49-34A-97. Approval of tariff mechanisms for automatic annual adjustment of charges for environmental improvements 2022 South Dakota Codified Laws 49-34A-97. Approval of tariff mechanisms for automatic annual adjustment of charges for environmental improvements 2021 South Dakota Codified Laws 49-34A-97. Approval of tariff mechanisms for automatic annual adjustment of charges for environmental improvements 2019 South Dakota Codified Laws 49-34A-97. Approval of tariff mechanisms for automatic annual adjustment of chargesfor environmental improvements 2018 South Dakota Codified Laws 49-34A-97. Approval of tariff mechanisms for automatic annual adjustment of charges for environmental improvements 2016 South Dakota Codified Laws 49-34A-97. Approval of tariff mechanisms for automatic annual adjustment of chargesfor environmental improvements 2014 South Dakota Codified Laws 49-34A-97. Approval of tariff mechanisms for automatic annual adjustment of chargesfor environmental improvements 2010 South Dakota Laws 49-34A-97 – Approval of tariff mechanisms for automatic annual adjustment of charges for environmental improvements