2024 Missouri Laws 393.136 – Retroactive operation prohibited

2023 Missouri Laws 393.136 – Retroactive operation prohibited

2022 Missouri Laws 393.136 – Retroactive operation prohibited

2020 Missouri Laws 393.136 – Retroactive operation prohibited

2018 Missouri Laws 393.136 – Retroactive operation prohibited

2016 Missouri Laws 393.136 – Retroactive operation prohibited

2015 Missouri Laws 393.136 – Retroactive operation prohibited

2014 Missouri Laws 393.136 – Retroactive operation prohibited

2013 Missouri Laws 393.136 – Retroactive operation prohibited

2009 Missouri Laws 393.136 – Retroactive operation prohibited