Versions of South Dakota Codified Laws 3-21-14. Nondisparagement clause--Unenforceable--State government on LawServer 2023 South Dakota Codified Laws 3-21-14. Nondisparagement clause–Unenforceable–State government 2022 South Dakota Codified Laws 3-21-14. Nondisparagement clause–Unenforceable–State government