2023 Missouri Laws 21.340 – Requirements for mechanical roll call

2022 Missouri Laws 21.340 – Requirements for mechanical roll call

2020 Missouri Laws 21.340 – Requirements for mechanical roll call

2018 Missouri Laws 21.340 – Requirements for mechanical roll call

2016 Missouri Laws 21.340 – Requirements for mechanical roll call

2015 Missouri Laws 21.340 – Requirements for mechanical roll call

2014 Missouri Laws 21.340 – Requirements for mechanical roll call

2013 Missouri Laws 21.340 – Requirements for mechanical roll call

2009 Missouri Laws 21.340 – Requirements for mechanical roll call