Versions of South Dakota Codified Laws 58-15-89. Election to have payments commence at optional maturity date--Maturity date used for calculation of benefits on LawServer 2023 South Dakota Codified Laws 58-15-89. Election to have payments commence at optional maturity date–Maturity date used for calculation of benefits 2022 South Dakota Codified Laws 58-15-89. Election to have payments commence at optional maturity date–Maturity date used for calculation of benefits 2021 South Dakota Codified Laws 58-15-89. Election to have payments commence at optional maturity date–Maturity date used for calculation of benefits 2019 South Dakota Codified Laws 58-15-89. Election to have payments commence at optional maturity date–Maturity date used for calculation of benefits 2018 South Dakota Codified Laws 58-15-89. Election to have payments commence at optional maturity date–Maturity date used for calculation of benefits 2016 South Dakota Codified Laws 58-15-89. Election to have payments commence at optional maturity date–Maturitydate used for calculation of benefits 2014 South Dakota Codified Laws 58-15-89. Election to have payments commence at optional maturity date–Maturitydate used for calculation of benefits 2010 South Dakota Laws 58-15-89 – Election to have payments commence at optional maturity date–Maturity date used for calculation of benefits