Versions of South Dakota Codified Laws 59-12-37. Retirement plans on LawServer 2023 South Dakota Codified Laws 59-12-37. Retirement plans 2022 South Dakota Codified Laws 59-12-37. Retirement plans 2021 South Dakota Codified Laws 59-12-37. Retirement plans 2019 South Dakota Codified Laws 59-12-37. Retirement plans