Versions of South Dakota Codified Laws 13-15-20. Agreement and contracts with education commission of the states on LawServer 2023 South Dakota Codified Laws 13-15-20. Agreement and contracts with education commission of the states 2022 South Dakota Codified Laws 13-15-20. Agreement and contracts with education commission of the states 2021 South Dakota Codified Laws 13-15-20. Agreement and contracts with education commission of the states 2016 South Dakota Codified Laws 13-15-20. Agreement and contracts with education commission of the states 2014 South Dakota Codified Laws 13-15-20. Agreement and contracts with education commission of the states 2010 South Dakota Laws 13-15-20 – Agreement and contracts with education commission of the states