Versions of See prior versions of a law on LawServer 2023 South Dakota Codified Laws 3-12C-1609. Existing regents’ contracts preserved–Expansion of retirement plan–Transition 2022 South Dakota Codified Laws 3-12C-1609. Existing regents’ contracts preserved–Expansion of retirement plan–Transition 2021 South Dakota Codified Laws 3-12C-1609. Existing regents’ contracts preserved–Expansion of retirement plan–Transition 2019 South Dakota Codified Laws 3-12C-1609. Existing regents’ contracts preserved–Expansion of retirement plan–Transition