What Happens If You Don’t Pay Child Support: Jail and Garnishment

If you stop paying child support, enforcement agencies will garnish your paycheck, drain your bank account, intercept your tax refund, suspend your driver’s and professional licenses, block your passport, damage your credit, and in serious cases send you to jail — all while interest keeps compounding on a balance that no court can later reduce. What happens if you don’t pay child support is not a single penalty but a stack of them, triggered automatically once you fall behind and escalating the longer the debt sits. Every state has a child support enforcement agency with broad authority to collect, and federal law adds another layer for larger debts and cases that cross state lines.

The Debt Grows and Locks In

The moment you miss a payment, the unpaid amount becomes arrears. Around 34 states charge interest on arrears, with rates running from 4% to 12% per year. A $5,000 balance at 10% adds $500 in a single year on top of what you already owe.

The harder problem is that past-due child support cannot be reduced after the fact. Once a payment comes due, it immediately becomes a legal judgment, and federal law prohibits any state from retroactively lowering it.¹ A court can only modify payments going forward, and only from the date you file the modification petition, not from when your circumstances actually changed.² If you lose your job in January and don’t petition until June, you owe every dollar that accrued at the original amount for those five months. Waiting locks in debt you may never be able to shrink.

Wage Garnishment

Wage garnishment is the most common collection tool and takes money out of your paycheck before you see it. Your employer receives a withholding order and must deduct child support from your disposable earnings — what’s left after mandatory deductions like taxes and Social Security. The federal Consumer Credit Protection Act caps the amount:

50% of disposable earnings if you’re currently supporting another spouse or child
60% if you’re not supporting anyone else

Those ceilings rise to 55% and 65% once you’re more than 12 weeks behind.³ Ordinary consumer-debt garnishment caps at 25%, so child support hits more than twice as hard. It also gets paid first when multiple garnishments compete.

Self-employment doesn’t shield you. Enforcement agencies can send income withholding orders to clients, contracting companies, or any other source that pays you. The order follows the money.

Bank Accounts, Tax Refunds, and Benefits

When garnishment doesn’t cover the debt, agencies go after the rest of your assets. A bank levy lets your state agency freeze and seize funds directly from checking or savings accounts. Triggers vary — some states require arrears to reach a dollar threshold, others a certain number of months overdue — but the result is the same: your account freezes, and the agency takes what you owe.

Federal and state tax refunds get intercepted through the Treasury Offset Program, which matches people who owe child support against incoming federal payments.⁴ Your state refers your case once arrears reach $150 if your child receives public assistance, or $500 in all other cases.⁵ You get a pre-offset notice, but by that point the process is largely automatic. Many states also grab lottery winnings and other government payouts.

Federal benefits are treated differently depending on the type. Social Security Disability Insurance and retirement benefits can be garnished for child support because they’re built on your work history. Supplemental Security Income is fully exempt — both at the source and once deposited into a bank account.⁶ If you receive SSI, make sure your enforcement agency knows that before any account gets frozen.

Suspended Licenses and Denied Passports

Federal law requires every state to have procedures for suspending licenses when a parent falls behind.¹ Some states move after 30 days of delinquency; others wait for months of nonpayment or a specific dollar amount. You usually get a notice and a short window, often 30 to 45 days, to pay or arrange a payment plan before suspension takes effect.

It isn’t just driver’s licenses. Professional and occupational licenses are also on the table, meaning nurses, contractors, real estate agents, cosmetologists, and anyone else who needs a state-issued license to earn a living can lose the right to practice. Hunting and fishing licenses can be pulled too. Reinstatement generally requires paying what you owe or entering an approved payment plan, plus any reinstatement fees your state charges. You aren’t cleared to drive or work under the license until you receive official confirmation.

Travel abroad hits a wall of its own. Under the Passport Denial Program, if you owe $2,500 or more in arrears, the State Department will deny a passport application or renewal.⁷ An existing passport can be revoked or restricted.⁸ Once your name is submitted, it stays there even if your arrears later drop below $2,500; you aren’t removed until the obligation is satisfied or the agency specifically requests removal.⁹

Jail Time

Courts treat incarceration as a last resort, but it does happen, on two tracks.

Civil contempt is the more common path. The custodial parent or enforcement agency asks a judge to hold you in contempt for violating the order. The pivotal question is whether you had the ability to pay and chose not to. The U.S. Supreme Court has held that ability to pay is the critical issue, and courts must make an express finding on that point before jailing anyone. If you genuinely cannot pay because of job loss, disability, or real financial hardship, contempt is not supposed to apply. If the court finds you could have paid, it can jail you until you pay a “purge amount” set by the judge. Paying it gets you out. The point is to force payment.

Criminal prosecution is more serious. Under 18 U.S.C. § 228, it is a federal crime to willfully fail to pay support for a child living in a different state:

First offense: if the debt is unpaid for more than a year or exceeds $5,000, up to six months in prison, a fine, or both.
Aggravated offense: if the debt is unpaid for more than two years, exceeds $10,000, or you have a prior conviction, up to two years in prison, a fine, or both.

The federal statute only covers cases where parent and child live in different states.¹⁰ States have their own criminal non-support laws that apply regardless of where anyone lives, with penalties that vary widely.

Credit Damage

Federal law lets child support agencies report overdue support to the major credit bureaus.¹¹ Once reported, arrears appear as a derogatory entry and can stay on your credit report for up to seven years, even after the balance is paid in full. The downstream effects are real: higher interest rates on car loans and mortgages, trouble renting an apartment, and problems with employers who run credit checks. If the reported balance is wrong, you can dispute it in writing with each bureau and with the agency that furnished the information.¹²

Bankruptcy Won’t Help

Filing for bankruptcy will not erase child support. The debt is classified as a “domestic support obligation” and is excluded from discharge in every chapter of bankruptcy.¹³ You remain personally responsible for every dollar of arrears and every new payment that comes due.

The automatic stay that normally stops collection when you file bankruptcy also carves out broad exceptions for child support. Wage withholding continues, tax refunds still get intercepted, and the custodial parent or agency can keep collecting from assets outside the bankruptcy estate.¹⁴ A Chapter 13 plan must include full repayment of all child support arrears, and you must stay current on ongoing payments the whole time, or you receive no discharge at all.

What To Do If You Can’t Pay

The worst move is to fall behind and hope the problem resolves itself. It won’t. If your income drops, you lose your job, you become disabled, or your financial situation changes meaningfully, petition the court or your state child support agency for a modification right away. Every day you wait, more debt locks in at the original amount, debt that cannot be reduced later.

Federal law requires every state to review and adjust your order at least every three years at either parent’s request, with no need to show changed circumstances.¹ Outside that three-year window, you’ll generally need to show a substantial change — job loss, serious illness, incarceration, or a significant income shift. Filing fees are typically modest and many states waive them for financial hardship. Some agencies will run the review for you at no cost. File before the arrears pile up. A modification only changes what you owe from the date you petition forward; it does nothing about the past-due balance that has already become a judgment against you.

1
Office of the Law Revision Counsel. 42 USC 666 – Requirement of Statutorily Prescribed Procedures to Improve Effectiveness of Child Support Enforcement
2
eCFR. 45 CFR 303.106 – Procedures to Prohibit Retroactive Modification of Child Support Arrearages
3
Office of the Law Revision Counsel. 15 USC 1673 – Restriction on Garnishment
4
Bureau of the Fiscal Service. Treasury Offset Program Frequently Asked Questions for Debtors in the Treasury Offset Program
5
Federal Register. Child Support Enforcement Program – Federal Tax Refund Offset
6
Administration for Children and Families. Garnishing Federal Benefits for Child Support
7
U.S. Department of State. Pay Child Support Before Applying for a Passport
8
Office of the Law Revision Counsel. 42 USC 652 – Duty of Secretary
9
Administration for Children and Families. How Does the Passport Denial Program Work
10
Office of the Law Revision Counsel. 18 USC 228 – Failure to Pay Legal Child Support Obligations
11
Office of the Law Revision Counsel. 15 USC 1681s-1 – Information on Overdue Child Support Obligations
12
Federal Trade Commission. Disputing Errors on Your Credit Reports
13
Office of the Law Revision Counsel. 11 USC 523 – Exceptions to Discharge
14
Office of the Law Revision Counsel. 11 USC 362 – Automatic Stay