Versions of Missouri Laws 256.447 - Rulemaking authority on LawServer 2023 Missouri Laws 256.447 – Rulemaking authority 2022 Missouri Laws 256.447 – Rulemaking authority 2020 Missouri Laws 256.447 – Rulemaking authority 2018 Missouri Laws 256.447 – Rulemaking authority 2016 Missouri Laws 256.447 – Rulemaking authority