After a divorce, the parent who has the child for more overnights during the year is the one who claims the child on federal taxes. The IRS calls that parent the custodial parent, and the rule holds regardless of what the divorce decree says or which parent pays more in child support.1Internal Revenue Service. Claiming a Child as a Dependent When Parents Are Divorced, Separated or Live Apart The custodial parent can hand the claim to the other parent by signing IRS Form 8332, but even then, only some tax benefits actually transfer.
The Overnight Count Decides It
The IRS looks at one thing: where the child slept. Whichever parent had the child for the greater number of nights during the tax year is the custodial parent, and that parent gets the dependency claim and the child tax credit, worth up to $2,200 per qualifying child for 2026.2Congress.gov. The Child Tax Credit: How It Works and Who Receives It
Money doesn’t move the needle here. A noncustodial parent who covers most of the child’s expenses through support payments still doesn’t get the claim on that basis alone. It’s overnights, not dollars.
One age wrinkle worth knowing: the child tax credit specifically requires the child to be under 17 at year’s end.3Internal Revenue Service. Child Tax Credit – Section: Who Qualifies for the Child Tax Credit/Additional Child Tax Credit A 17- or 18-year-old can still be your dependent, but they won’t generate the credit.
When Overnights Are Exactly Equal
True 50/50 custody is common, and the tax code has a tiebreaker for it. If the child spent the same number of nights with each parent, the parent with the higher adjusted gross income is treated as the custodial parent.4Office of the Law Revision Counsel. 26 USC 152 – Dependent Defined There’s no form and no negotiation involved. Whoever earned more that year gets the default claim.
If your incomes are close and fluctuate, the claim can shift between parents from one year to the next without either of you doing anything differently.
Handing the Claim to the Other Parent With Form 8332
The custodial parent can voluntarily release the claim by signing IRS Form 8332, Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent. The noncustodial parent then attaches the signed form to their return for each year they claim the child.5Internal Revenue Service. Form 8332, Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent
The form asks for the noncustodial parent’s name and Social Security number, the child’s name, the custodial parent’s signature and Social Security number, and the tax year or years the release covers. You can release a single year, several specified years, or all future years. Many divorce agreements alternate years or permanently assign the claim to one parent; either way, Form 8332 is what the IRS needs to see.
Signing Form 8332 transfers these benefits to the noncustodial parent:
- The dependency claim
- The child tax credit
- The additional child tax credit
- The credit for other dependents
Benefits the Custodial Parent Keeps
Several valuable tax benefits stay with the custodial parent no matter what Form 8332 says. This is the point that trips up parents on both sides of a release.
Head of household filing status. The custodial parent can still file as head of household after releasing the dependency claim, as long as they paid more than half the cost of maintaining the home where the child lives.6Internal Revenue Service. Filing Status
Earned income tax credit. Form 8332 does not touch the EITC. The noncustodial parent cannot claim the earned income credit for that child, even with a signed release.7Internal Revenue Service. Tax Information for Non-Custodial Parents The EITC stays with the custodial parent.
Child and dependent care credit, and the exclusion for dependent care benefits. Both follow residency and stay with the parent the child actually lives with.
A custodial parent releasing the dependency claim isn’t giving up head of household status or the EITC. A noncustodial parent receiving the claim isn’t picking those up. Getting this split wrong is one of the most common triggers for IRS inquiries after a divorce.
Your Divorce Decree Does Not Bind the IRS
A family court can order one parent to claim the child, but the IRS isn’t bound by that order. Federal tax law alone decides who may claim a child as a dependent on a federal return.8Internal Revenue Service. Can a State Court Determine Who May Claim a Child as a Dependent on a Federal Income Tax Return
If your decree awards the claim to the noncustodial parent, that parent still needs Form 8332 signed by the custodial parent. For any decree or separation agreement executed after 2008, the IRS will not accept pages from the decree as a substitute.5Internal Revenue Service. Form 8332, Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent Older agreements finalized before 2009 have narrower alternate rules; for most divorces today, Form 8332 is the only path.
If the custodial parent refuses to sign despite a court order requiring it, the remedy is back in family court. The IRS will not enforce the decree, and a return filed without Form 8332 will have the claim rejected.
Taking Back a Previous Release
A custodial parent who has already signed Form 8332 can take it back using Part III of the same form. The revocation doesn’t take effect right away. It applies no earlier than the tax year after the noncustodial parent receives notice of it. Give notice in 2025, and the earliest tax year the revocation can cover is 2026.5Internal Revenue Service. Form 8332, Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent
You must either deliver a copy of the revocation to the other parent or make a reasonable effort to do so, and keep proof of delivery. Attach a copy of the revocation to your own return for each year you reclaim the child. If your divorce decree required you to sign the original release, revoking it with the IRS doesn’t clear you with the court, and the other parent can take the issue back to family court.
What Happens if You Both Claim the Same Child
If both parents file returns claiming the same child, the IRS catches the duplicate and sends each parent a CP87A notice. The notice identifies the conflict by listing the last four digits of the child’s Social Security number and asks each parent to review whether they are actually entitled to the claim.9Internal Revenue Service. Understanding Your CP87A Notice
If neither parent backs down, the IRS applies the tiebreaker rules from the tax code: the claim goes to the parent the child lived with for the longer period, and if that time was equal, to the parent with the higher adjusted gross income.4Office of the Law Revision Counsel. 26 USC 152 – Dependent Defined A valid Form 8332 overrides that default in favor of the noncustodial parent.
An unresolved conflict can turn into an audit of both returns. At that point you’ll need to show where the child actually lived. The IRS accepts school enrollment records, medical records, lease agreements, and similar documents that establish the child’s address throughout the year.10Internal Revenue Service. Supporting Documents to Prove the Child Tax Credit (CTC) and Credit for Other Dependents (ODC) Keep these organized every year, even when there’s no dispute.
A parent who claimed the child incorrectly has to file an amended return and repay any refund tied to the claim.9Internal Revenue Service. Understanding Your CP87A Notice The IRS can add a 20% accuracy-related penalty on the underpayment.11Internal Revenue Service. Accuracy-Related Penalty Where the IRS finds intentional fraud, the penalty can climb to 75% of the underpayment, with criminal prosecution carrying fines up to $250,000 and prison time on the table.