Versions of South Dakota Codified Laws 49-17A-20. Exemption from taxation of property and income of authority on LawServer 2023 South Dakota Codified Laws 49-17A-20. Exemption from taxation of property and income of authority 2022 South Dakota Codified Laws 49-17A-20. Exemption from taxation of property and income of authority 2021 South Dakota Codified Laws 49-17A-20. Exemption from taxation of property and income of authority 2019 South Dakota Codified Laws 49-17A-20. Exemption from taxation of property and income of authority 2018 South Dakota Codified Laws 49-17A-20. Exemption from taxation of property and income of authority 2016 South Dakota Codified Laws 49-17A-20. Exemption from taxation of property and income of authority 2014 South Dakota Codified Laws 49-17A-20. Exemption from taxation of property and income of authority 2010 South Dakota Laws 49-17A-20 – Exemption from taxation of property and income of authority