2023 South Dakota Codified Laws 13-5-31. Cooperative educational service units

2022 South Dakota Codified Laws 13-5-31. Cooperative educational service units

2021 South Dakota Codified Laws 13-5-31. Cooperative educational service units

2019 South Dakota Codified Laws 13-5-31. Cooperative educational service units

2018 South Dakota Codified Laws 13-5-31. Cooperative educational service units

2016 South Dakota Codified Laws 13-5-31. Cooperative educational service units

2014 South Dakota Codified Laws 13-5-31. Cooperative educational service units

2010 South Dakota Laws 13-5-31 – Cooperative educational service units