Versions of South Dakota Codified Laws 31-29-80.4. Procedure for authorizing directional signs--Compliance with rules on LawServer 2023 South Dakota Codified Laws 31-29-80.4. Procedure for authorizing directional signs–Compliance with rules 2022 South Dakota Codified Laws 31-29-80.4. Procedure for authorizing directional signs–Compliance with rules 2021 South Dakota Codified Laws 31-29-80.4. Procedure for authorizing directional signs–Compliance with rules 2019 South Dakota Codified Laws 31-29-80.4. Procedure for authorizing directional signs–Compliance with rules 2018 South Dakota Codified Laws 31-29-80.4. Procedure for authorizing directional signs–Compliance with rules 2016 South Dakota Codified Laws 31-29-80.4. Procedure for authorizing directional signs–Compliance with rules 2014 South Dakota Codified Laws 31-29-80.4. Procedure for authorizing directional signs–Compliance with rules 2010 South Dakota Laws 31-29-80.4 – Procedure for authorizing directional signs–Compliance with rules