2023 Missouri Laws 204.622 – Treatment plants, contracts for — agreements for professional services

2022 Missouri Laws 204.622 – Treatment plants, contracts for — agreements for professional services.

2020 Missouri Laws 204.622 – Treatment plants, contracts for — agreements for professional services.

2018 Missouri Laws 204.622 – Treatment plants, contracts for — agreements for professional services.

2016 Missouri Laws 204.622 – Treatment plants, contracts for–agreements for professional services

2015 Missouri Laws 204.622 – Treatment plants, contracts for–agreements for professional services

2014 Missouri Laws 204.622 – Treatment plants, contracts for–agreements for professional services

2009 Missouri Laws 204.622 – Treatment plants, contracts for–agreements for professional services