Versions of Missouri Laws 454.498 - Director\'s duty to modify a child support order -- automated methods used .. on LawServer 2023 Missouri Laws 454.498 – Director’s duty to modify a child support order — automated methods used .. 2022 Missouri Laws 454.498 – Director’s duty to modify a child support order — automated methods used … 2020 Missouri Laws 454.498 – Director’s duty to modify a child support order — automated methods used … 2018 Missouri Laws 454.498 – Director’s duty to modify a child support order — automated methods used … 2016 Missouri Laws 454.498 – Director’s duty to modify a child support order–automated methods used for eligibility for modification 2015 Missouri Laws 454.498 – Director’s duty to modify a child support order–automated methods used for eligibility for modification 2014 Missouri Laws 454.498 – Director’s duty to modify a child support order–automated methods used for eligibility for modification 2013 Missouri Laws 454.498 – Director’s duty to modify a child support order–automated methods used for eligibility for modification 2009 Missouri Laws 454.498 – Director’s duty to modify a child support order–automated methods used for eligibility …