No single "child support law" was passed during Trump's presidency
The Trump administration did not pass a comprehensive federal child support law. Child support is primarily governed by state law, and each state sets its own rules for how much parents owe, how long they must pay, and what happens if they don't. The federal government sets minimum standards that states must follow, but does not run the system.
What did change during 2017–2021 were specific policies affecting how child support is collected and enforced. These included changes to how the federal Office of Child Support Enforcement operated, shifts in how states handled certain cases, and modifications to some tax-related collection methods. These changes were administrative rather than legislative — meaning they came from executive decisions, not new laws passed by Congress.
Key Takeaways
- Child support law is made by individual states, not the federal government, so there is no single national "Trump child support law."
- The Trump administration changed how federal child support enforcement agencies operated, but did not pass new legislation requiring states to change their rules.
- States continued to set their own income limits, payment amounts, and enforcement procedures during this period.
- If you need to know what child support rules apply to you, check your state's child support agency website, not federal policy.
What the federal government actually controls in child support
The federal Office of Child Support Enforcement (OCSE) sets minimum standards that all states must meet. These standards cover things like how quickly a state must process a case, how it must locate a parent who owes support, and what methods it can use to collect money. States can be stricter than federal minimums, but cannot be weaker.
The Trump administration made changes to how OCSE interpreted and enforced these standards, and directed states to prioritize certain collection methods. For example, the administration emphasized using tax refund intercepts (taking money from a parent's federal tax return) and wage garnishment (taking money directly from paychecks). These tools existed before 2017, but the administration pushed states to use them more aggressively.
However, these were policy shifts within existing law, not new laws. Congress did not pass legislation creating new child support obligations or changing the basic structure of how states run their programs.
State-by-state variation in child support rules
Because child support is a state matter, the rules you follow depend entirely on where the case is filed or where the parents live. One state might require a parent to pay support until a child turns 18; another might extend it to 19 or 21 if the child is still in school. Income calculations, modification procedures, and enforcement methods all differ.
During the Trump years and after, states continued to operate under their own laws. Some states made their own changes to child support rules, but these were state decisions, not federal mandates. If you are involved in a child support case, your state's child support agency — not federal policy — determines what you owe and how you pay it.
You can find your state's child support agency through the federal OCSE website or by searching "[your state] child support enforcement agency." That agency can tell you the specific rules that apply to your case.
Tax refund intercepts and wage garnishment under Trump administration policy
The Trump administration directed states to increase their use of tax refund intercepts and wage garnishment to collect child support arrears (money owed from the past). These methods were already legal and in use; the administration simply prioritized them more heavily in federal guidance to states.
Tax refund intercepts work this way: if a parent owes back child support, the federal government can intercept their federal income tax refund and send it to the child support program. Wage garnishment means money is taken directly from a paycheck before the parent receives it. Both methods are automatic once a debt is established — the parent does not have to be sued again.
These collection tools remain in place today. If you owe child support arrears, you should expect that tax refunds and wages may be intercepted. The amount that can be garnished is limited by federal law (typically 50 to 65 percent of disposable income, depending on whether you support other children), but the process itself is standard.
What actually changed in federal child support policy
The most concrete changes under the Trump administration were administrative priorities rather than new laws. The OCSE issued guidance emphasizing faster case processing, more aggressive location efforts for parents who owe support, and increased use of collection tools like tax intercepts.
The administration also proposed changes to how child support is calculated in some cases, particularly regarding shared custody arrangements. However, these proposals did not become law. States continued to use their own calculation methods, which vary widely. Some states use an "income shares" model (both parents' incomes are considered); others use a "percentage of income" model (the obligor pays a set percentage of their income).
If you want to know whether your state changed its child support rules during or after 2017–2021, contact your state's child support enforcement agency directly. They can tell you what rules are currently in effect and whether any recent changes affect your case.
How to find out what child support law applies to you
Start by identifying which state's child support agency handles your case. This is usually the state where the child lives, the state where the case was filed, or the state where the parent owing support lives — depending on the circumstances. Your divorce decree, custody order, or child support order should say which state has jurisdiction.
Once you know the state, go to that state's child support enforcement agency website. You can find a list of all state agencies through the federal OCSE website at acf.hhs.gov/css. The state agency can tell you the current rules for your case, including how much is owed, when payments are due, and what happens if payments are missed.
If you need to modify a child support order (because your income changed, for example), you must file with the state that issued the order. Each state has its own process for modifications, and the rules about what counts as a "substantial change in circumstances" vary by state.
Frequently Asked Questions
Did Trump pass a law that changed how much child support I have to pay?
No. Child support amounts are set by state law, and Trump did not pass federal legislation changing state rules. If your child support amount changed, it was because of a state court decision or a change in your state's law — not a federal change. You can ask your state's child support agency whether your state made any changes to how it calculates support.
Can the government take my tax refund for child support?
Yes. Tax refund intercepts are a standard collection tool used by all states. If you owe child support arrears, the federal government can intercept your federal income tax refund and send it to the child support program. This applies regardless of which administration is in office. If you believe the amount owed is wrong, contact your state's child support agency to dispute it.
What if I live in a different state than my child?
Child support cases can be enforced across state lines through a federal law called the Uniform Interstate Family Support Act (UIFSA). The state where the order was issued retains authority, but the other state can help collect. Contact the child support agency in the state where the order was issued to find out how to modify it or address payment issues.
Where do I find my state's child support rules?
Go to your state's child support enforcement agency website. You can find a link to your state agency through the federal Office of Child Support Enforcement at acf.hhs.gov/css. The state agency has the current rules, forms, and contact information for your case.