The parent with primary custody usually claims the child, but the IRS lets you split the benefit if you agree
The parent who has the child for more than half the year can claim them on their tax return — but that's not the only option. If both parents share custody, you can decide between yourselves who claims the child, and you can switch that decision from year to year. The IRS doesn't require you to ask permission or file paperwork in advance. What matters is that only one parent claims the child in any given tax year, and that you both understand the tax benefit you're giving up.
The benefit itself is the child tax credit, which reduces the tax you owe by $2,000 per child (as of 2024, though Congress can change this amount). If you don't owe that much in taxes, you may still get money back through the refundable portion of the credit. The parent who claims the child also gets to claim other deductions tied to the child, like the child and dependent care credit if you paid for childcare so you could work.
Key Takeaways
- Only one parent can claim the child in any tax year, even if you share custody equally.
- The parent with primary custody has the legal right to claim the child unless they sign a form giving that right to the other parent.
- You can switch which parent claims the child from year to year without filing anything in advance — just coordinate so you don't both claim them.
- The parent who claims the child gets the $2,000 child tax credit and other child-related deductions for that year.
- If one parent earns much more than the other, it often makes sense for the lower-earning parent to claim the child and get the full credit value.
Who has the legal right to claim the child
The IRS gives the right to claim a child to the parent who has custody for more than half the calendar year. Custody means the child lives with you — overnight stays count, daytime visits do not. If you have the child 183 days or more in a year, you have primary custody and the legal right to claim them.
If custody is exactly equal — say, alternating weeks or a true 50-50 split — the parent with the higher adjusted gross income (AGI) has the right to claim the child unless the other parent has a court order giving them that right.
The parent with the legal right can claim the child without the other parent's permission. But if you want the other parent to claim the child instead, the parent with the legal right must sign Form 8332 (Release of Claim to Exemption for Child of Divorced or Separated Parents). This form tells the IRS that you're giving up your right to claim the child for that year or for future years. You don't file it with your tax return — you give it to the other parent, and they keep it with their records in case the IRS asks.
When it makes sense to let the other parent claim the child
The $2,000 credit is most valuable to the parent who actually owes taxes. If one parent earns significantly more than the other, or if one parent owes taxes and the other doesn't, the higher-earning parent usually gets more value from the credit. But the parent with the legal right to claim the child is the one who gets to decide.
Here's a concrete example: suppose one parent earns $80,000 and the other earns $25,000. The higher-earning parent might owe $12,000 in federal tax, while the lower-earning parent owes $1,500. If the lower-earning parent claims the child and gets the $2,000 credit, they'll get a $500 refund (their $1,500 tax minus the $2,000 credit). The higher-earning parent loses the chance to use that $2,000 against their $12,000 tax bill. In this case, it would make more financial sense for the higher-earning parent to claim the child — but only if the lower-earning parent agrees and signs Form 8332.
Income limits also matter. The child tax credit begins to phase out at $400,000 of AGI for married couples filing jointly and $200,000 for single filers. If one parent's income is above these thresholds, they may lose part or all of the credit. The other parent, with lower income, would get the full credit.
Switching which parent claims the child from year to year
You don't have to claim the child with the same parent every year. Many families alternate — one parent claims the child in odd years, the other in even years — so both parents benefit from the credit over time. You can also change the arrangement based on income that year: if one parent had a particularly high income year, the other parent might claim the child to balance things out.
To switch, the parent with the legal right to claim the child must sign a new Form 8332 each year you want the other parent to claim them. If you signed a Form 8332 that covers multiple years (for example, "for tax years 2024 through 2026"), it stays in effect for those years unless you revoke it. To revoke a multi-year form, the parent with the legal right must sign a revocation statement and give it to the other parent.
The key rule: both parents must agree on who claims the child before either of you files your return. If you both claim the child on the same tax return, the IRS will catch it and disallow one of the claims, usually the one filed second. This can delay your refund and create a back-and-forth with the IRS.
What happens if you can't agree
If you share custody but can't agree on who should claim the child, the parent with the legal right to claim them can do so without the other parent's permission. The other parent cannot claim the child that year, even if they want to.
If both parents claim the child on their returns anyway, the IRS will contact both of you. Usually, the agency honors the claim filed first and disallows the second one. You may have to provide proof of custody (a divorce decree, custody order, or birth certificate) to show you have the legal right. If you're in this situation, contact the IRS at 800-829-1040 to clarify the record before filing, or work with a tax professional to resolve it.
Custody arrangements that affect who can claim the child
Your custody arrangement determines who has the legal right. Here's how different situations work:
| Custody Arrangement | Who Can Claim the Child |
|---|---|
| One parent has the child more than 183 days per year | That parent, unless they sign Form 8332 giving the right to the other parent |
| Custody is exactly 50-50 or split equally | The parent with the higher AGI, unless a court order says otherwise |
| A court order specifies which parent can claim the child | The parent named in the order, unless that parent signs Form 8332 |
| Parents are married and file jointly | Either parent can claim the child on the joint return; you don't need Form 8332 |
| Child lives with a grandparent or other relative | The relative, if they provide more than half the child's support and meet other IRS tests |
If your custody order includes language about who claims the child for tax purposes, follow that order. A court order overrides the IRS's default rules. If the order says one parent must claim the child, that parent has the right unless a later court order changes it.
Other tax benefits tied to claiming the child
The parent who claims the child also gets to claim other deductions and credits related to that child. The child and dependent care credit goes to the parent who paid for childcare (daycare, after-school programs, summer camp) so they could work. If you paid $3,000 for childcare and claim the child, you can reduce your tax by up to $600 (20 percent of the cost, though the percentage varies by income).
The parent who claims the child can also claim the head of household filing status if they are unmarried, pay more than half the household expenses, and the child lives with them for more than half the year. Head of household status gives you a wider tax bracket than single status, which usually means a lower tax bill.
If you're paying student loan interest for the child's education, the parent who claims the child on their return can deduct up to $2,500 of that interest. These benefits stack — the parent who claims the child gets the credit, the childcare deduction, and potentially the head of household status all in the same year.
Frequently Asked Questions
Can we both claim the child if we have equal custody?
No. Only one parent can claim the child in any tax year, even with 50-50 custody. If you have equal custody, the parent with the higher income has the legal right to claim the child unless a court order or Form 8332 says otherwise. You can agree to let the other parent claim the child, but both of you cannot claim them on the same return.
Do I need to file Form 8332 before I file my taxes?
No. Form 8332 doesn't go to the IRS — you give it to the other parent and keep it with your records. You can sign it anytime before either of you files your return. But it's smart to sign it early so both parents know who's claiming the child and can file accordingly.
What if my ex won't sign Form 8332 even though we agreed I should claim the child?
If you have the legal right to claim the child (primary custody or a court order in your favor), you can claim them without Form 8332. The other parent cannot claim them. If your ex claims the child anyway, the IRS will disallow their claim. If you're worried about this, file your return first so your claim is on record.
Can we alternate claiming the child every other year?
Yes. The parent with the legal right can sign a Form 8332 for specific years — for example, "for tax years 2024, 2026, and 2028" — letting the other parent claim the child in those years. You can also sign a new Form 8332 each year if your situation changes.
Does the child have to live with me the whole year for me to claim them?
No. You need the child to live with you for more than half the calendar year (183 days or more). Temporary absences — school, camp, medical care, or visits with the other parent — still count as days the child lived with you if they returned to your home.