Versions of See prior versions of a law on LawServer 2024 Missouri Laws 105.570 – Supervisory public employees, separate bargaining unit — labor organization .. 2023 Missouri Laws 105.570 – Supervisory public employees, separate bargaining unit — labor organization .. 2022 Missouri Laws 105.570 – Supervisory public employees, separate bargaining unit — labor organization … 2020 Missouri Laws 105.570 – Supervisory public employees, separate bargaining unit — labor organization … 2018 Missouri Laws 105.570 – Supervisory public employees, separate bargaining unit — labor organization …