If you can’t afford child support, file a motion to modify the order with the court that issued it, and do it the week your circumstances change. Federal law turns every unpaid installment into a court judgment the moment it comes due, and once that happens no court in any state can go back and reduce it. A modification can only reach back to the date you filed. Every week you wait is another week of the old amount you will still owe in full.
File the Modification Now
A court can lower your payment if you show a substantial change in circumstances since the order was last set. Job loss, a significant pay cut, a disability, new medical expenses, or the birth of another child you’re supporting can all qualify. Courts decide these case by case, and the core question is whether the change is real, involuntary, and ongoing rather than temporary.
You’ll need to document it. Recent pay stubs, tax returns, proof of unemployment or disability benefits, and a financial declaration listing your monthly expenses are the standard package. Filing fees are generally modest, and many courts waive them for people who can show financial hardship. Some jurisdictions require mediation before a hearing, which gives both parents a chance to agree on a new number without a full trial.
The timing rule bears repeating because it is where most people lose money they didn’t have to lose. If you lose your job in January and file in June, you owe the full original amount for those five months no matter what happened to your income. The modification, if granted, applies from June forward. Not January.
Ask for a Review if It Has Been Three Years
Even without a dramatic change, federal regulations require every state to notify both parents at least once every three years of the right to request a review of the order. If the review shows the current order differs from what the guidelines would produce today, the state must adjust it. The notice is often buried in the original paperwork and easy to miss. If your order is three or more years old and hasn’t been reviewed since, contact your state’s child support enforcement agency and request one.1eCFR. 45 CFR 303.8 – Review and Adjustment of Child Support Orders
Protections If Your Income Is Low
Several protections exist for parents at or near the poverty line, but they don’t always apply automatically. You may need to raise them in court yourself.
The Self-Support Reserve
A majority of states apply a self-support reserve when calculating support. It sets a floor: if the guideline amount would push your remaining income below a set threshold, the court must reduce the obligation or set it at a nominal amount. The threshold is typically tied to the federal poverty level for a single person. For 2026, that guideline is $15,650 annually for a one-person household, and states pegged to a percentage of that figure have updated accordingly. If your income is anywhere near this range, confirm the court is applying the reserve in your calculation.
Imputed Income and How to Defend Against It
Courts can calculate support based on what you could earn rather than what you actually earn. This is called imputed income, and it happens when a judge decides your unemployment or underemployment is voluntary. To reach that conclusion, the court looks at your ability to work (education, skills, work history), your opportunity to work (available jobs in your area), and your willingness to work (whether you’ve been searching, applying, and interviewing).
Imputation is not automatic. Courts generally will not impute income if you’re making a good-faith effort to find work, if you’ve enrolled in education or training, or in some states, if you’ve historically been the stay-at-home parent. Bring a log of applications, interviews, and rejection notices to your hearing. That paperwork is often the difference between support based on your actual income and support based on what you used to make.
Incarceration
A federal rule adopted in 2016 prohibits states from treating incarceration as voluntary unemployment when setting or modifying child support, and bars states from preventing incarcerated parents from petitioning for a modification.2Administration for Children and Families. Final Rule – Modification for Incarcerated Parents
What Happens If You Fall Behind
State enforcement agencies have a wide toolkit for collecting unpaid support. Knowing the specific limits on each tool matters, both so you understand the stakes and so you can push back on an action that goes beyond what the law allows.
Wage Garnishment Caps
Child support garnishment is exempt from the 25% cap that applies to consumer debts. Federal law sets these limits on disposable earnings (pay after legally required deductions like taxes and Social Security):
- 50% if you’re currently supporting another spouse or dependent child.
- 60% if you have no other dependents.
- An additional 5% if you’re more than 12 weeks behind, bringing the maximums to 55% and 65%.
These are federal ceilings. Some states set lower caps, but none can exceed them.3Office of the Law Revision Counsel. 15 USC 1673 – Restriction on Garnishment
Tax Refund Interception
Past-due child support has first priority in the federal Treasury Offset Program. If your arrears reach $500 and you’re receiving services from a state child support agency, or just $25 if the debt has been assigned to the state as reimbursement for public assistance, the IRS can intercept your entire federal refund. A new spouse on a joint return can file an “injured spouse” claim to protect their share, but your portion still goes.4eCFR. 31 CFR 285.3 – Offset of Tax Refund Payments to Collect Past-Due Support
Passport Holds
Owe $2,500 or more in past-due support and the State Department will deny your passport application or renewal. Clearing the hold requires paying down your arrears, after which the state notifies the Department of Health and Human Services to take you off the list. That handoff takes two to three weeks on its own, so this cannot be resolved the day before a trip.5U.S. Department of State. Pay Child Support Before Applying for a Passport
License Suspensions, Liens, and Credit Reporting
States can suspend your driver’s license, professional licenses, and recreational licenses for nonpayment. They can report arrears to credit bureaus, place liens on property, and seize bank funds. Each action is supposed to include notice and a chance to respond before it takes effect. Use that hearing right.
Contempt of Court
The most severe tool is a civil contempt finding, which can end in jail time. The U.S. Supreme Court limited that power in Turner v. Rogers (2011), holding that a noncustodial parent cannot be jailed for nonpayment without adequate procedural safeguards, including a real chance to present evidence that they genuinely lack the ability to pay. The court must make a specific finding that you can pay before locking you up. If you’re facing a contempt hearing and you truly can’t pay, bring bank statements, pay stubs, and any other proof of your financial situation. Showing up without documentation is the fastest way to lose the argument. Skipping the hearing is worse; missing it almost guarantees a warrant.
Dealing With Arrears You Already Owe
Once payments come due unpaid, they become arrears, and arrears are hard to escape. They cannot be retroactively modified. They survive bankruptcy. Many states charge interest, often between 4% and 10% per year. The debt does not vanish when the child turns 18, and several states have no time limit at all on collecting it.
Compromise Programs
Some states run arrears compromise or debt reduction programs, especially for support assigned to the state as reimbursement for public assistance. Federal law permits states to settle these assigned arrearages the way they would settle any other debt owed to the state, and the state is not required to reimburse the federal government’s share of what it forgives.6GovInfo. State Use of Debt Compromise to Reduce Child Support Arrearages
These programs aren’t universal, and most only apply to debt owed to the government, not to the other parent. Contact your state child support office to ask whether one exists and whether you qualify. For arrears owed directly to the other parent, you may be able to negotiate a reduced lump-sum settlement, but the other parent has to agree and the court has to approve any change.
Payment Plans
Most state agencies will work with you on a payment plan if you can’t pay the arrears balance at once. You submit a detailed financial statement and meet with a caseworker. A typical plan has you paying current support plus a set amount toward arrears each month. Entering a plan and sticking to it can also prevent or lift some enforcement actions like a license suspension.
Where Bankruptcy Fits
Bankruptcy will not eliminate current support or past-due arrears in any chapter. In Chapter 13, support arrears are a priority debt that must be paid in full through your three-to-five-year plan before unsecured creditors get anything. The automatic stay that halts most collection when you file does not stop child support enforcement, and wage garnishment for support continues during an active bankruptcy case.
Bankruptcy can still help indirectly. If credit card debt, medical bills, or personal loans are stacked on top of support and making the whole picture unworkable, Chapter 13 lets you reorganize those into a structured plan, and Chapter 7 can wipe out unsecured debts faster. Freeing up income from other obligations may be what makes the support payment itself survivable.
Social Security Income
Social Security disability and retirement benefits can be garnished for child support. Supplemental Security Income (SSI) is generally protected because it is a need-based benefit rather than an earned one. If SSI is your only income, make sure the court and enforcement agency know that when setting or enforcing your order.7Social Security Administration. Can My Social Security Benefits Be Garnished or Levied
Getting Legal Help When You Can’t Pay for It
Being unable to afford support usually means being unable to afford a lawyer, and there are ways around that. Every state has legal aid organizations that provide free representation to low-income individuals in family law cases, including modifications. Local bar associations run lawyer referral services, and many family law attorneys offer free or low-cost initial consultations. Court self-help centers can walk you through modification paperwork if you’re filing on your own.
If you’re facing a contempt hearing that could put you in jail and you can’t afford an attorney, the court may be required to appoint one or, at a minimum, must provide procedural safeguards to keep the hearing fundamentally fair. Show up. Bring every financial document you have. Explain your situation plainly. That is the version of this problem you can still fix.