2024 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2023 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2022 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2021 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2020 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2019 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2016 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2015 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2014 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2010 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages

2009 45 CFR 303.106 – Procedures to prohibit retroactive modification of child support arrearages