How Divorced or Separated Parents Claim the Child Tax Credit

Who claims the child when parents are no longer together

When parents divorce or separate, only one of you can claim each child on your tax return for the Child Tax Credit — and it is usually the parent who has primary custody, meaning the child lives with you more than half the year. The IRS does not split the credit between two parents or let you alternate years on your own. The parent with primary custody has the right to claim the child unless they sign a form giving that right to the other parent.

If you do not have primary custody but want to claim the child, you need the custodial parent's written permission on Form 8332. Without it, the IRS will reject your claim, and you may face penalties if you claim the child anyway. The custodial parent can give you permission for one year, multiple years, or all future years — it is their choice.

If your custody arrangement is genuinely equal — the child spends exactly half the year with each parent — the IRS considers the parent with the higher income to be the custodial parent for tax purposes. That parent has the automatic right to claim the child unless they release it in writing.

Key Takeaways

• The parent with primary custody (more than half the year) can claim the child for the Child Tax Credit without permission from the other parent.
• If you do not have primary custody, you need Form 8332 signed by the custodial parent to claim the child; the IRS will reject your claim without it.
• The custodial parent can release their right to claim the child for one year, several years, or permanently — they decide the terms.
• If custody is exactly 50/50, the parent with the higher income is treated as the custodial parent and has the right to claim the child.
• Your custody arrangement for tax purposes is based on where the child actually lived, not what a court order says — the IRS looks at calendar days.

How to determine who has primary custody for taxes

Count the nights the child spent in each parent's home during the calendar year. The parent with more nights has primary custody. This is the only number the IRS cares about — not what the custody order says, not what you and the other parent agreed to informally, and not who pays child support. If the child spent 190 nights with you and 175 with the other parent, you have primary custody, even if the court order says otherwise.

If the child moved between homes during the year — for example, you had custody for six months and the other parent had it for six months — count the actual nights for the full year. A child who spent January through June with one parent and July through December with the other has 182 nights with each (in a non-leap year), which means the parent with the higher income is treated as custodial.

Keep a record of where the child lived each night if custody is close or contested. You do not have to send this to the IRS, but if they question your claim, you will need to show your work. A calendar marked with the child's location, a custody schedule from your divorce agreement, or records from the other parent can all serve as proof.

Getting permission from the custodial parent to claim the child

If the other parent has primary custody and you want to claim the child, you must have their written permission on Form 8332 (Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent). This form is free and available on the IRS website. The custodial parent fills it out, signs it, and gives you a copy — you attach it to your tax return when you file.

The custodial parent can release their right to claim the child for a single tax year, multiple specific years, or all future years. They can also revoke the release at any time, which means they take back the right to claim the child starting in the year they revoke it. If they revoke it, they must give you written notice, and you cannot claim the child in that year or any year after unless they sign a new Form 8332.

Some divorce agreements require one parent to release the right to claim the child every year. If that is your situation, ask the custodial parent to sign Form 8332 for the current year and any future years you expect to need it. This prevents disputes later and makes your tax filing simpler. If the custodial parent refuses to sign, you cannot claim the child, and the IRS will not override a divorce agreement or custody order.

What happens if both parents claim the same child

If you and the other parent both claim the same child on your tax returns, the IRS will catch it when processing your returns. The agency has systems that flag duplicate claims, and they will disallow the claim for the parent who filed second or who has a lower income. You will receive a notice asking you to explain why you claimed the child, and you may owe back taxes plus interest and penalties.

If you claimed the child without Form 8332 and the custodial parent also claimed them, you will lose the claim. The IRS does not decide who "should" have claimed the child — they follow the rule that the custodial parent has the right unless they released it in writing. If you filed in good faith but made a mistake, you can amend your return using Form 1040-X (Amended U.S. Individual Income Tax Return) and remove the child from your claim.

Intentionally claiming a child you do not have the right to claim is tax fraud. The penalties are serious: the IRS can assess a 75 percent accuracy-related penalty on top of the taxes owed, and they can pursue criminal charges in cases of deliberate fraud. If you are unsure whether you have the right to claim the child, contact the other parent or a tax professional before filing.

Claiming the child when custody changed during the year

If custody changed partway through the year — for example, the child moved to your home in July — count the nights for the full year to determine who has primary custody. If the child was with the other parent from January through June (181 nights) and with you from July through December (184 nights), you have primary custody for the full year and can claim the child, even though the other parent had them for the first half.

If the custody change happened because of a major life event — the other parent lost housing, went to jail, or became unable to care for the child — document what happened. The IRS does not require you to explain custody changes, but if your return is audited, having records of when and why the child moved will help you defend your claim.

If custody is split so evenly that neither parent has more than half the year, the parent with the higher income is treated as custodial. This rule applies even if the custody change happened late in the year. Calculate your income for the full year, not just the months you had the child.

Coordinating the Child Tax Credit with child support and alimony

The right to claim the child for taxes is separate from child support and alimony obligations. You can owe child support to the other parent and still have the right to claim the child if you have primary custody. You can also be required to pay child support and not have the right to claim the child if the other parent has primary custody. These are three different legal questions, and the answer to one does not determine the answer to the others.

Some divorce agreements say that the parent who pays child support cannot claim the child, or that the parent who receives child support must release the right to claim the child. These clauses are common but do not change the tax law. The IRS only cares about who has primary custody and whether the custodial parent released their right in writing. If your divorce agreement conflicts with the tax rules, the tax rules win — but you may still be in violation of your divorce agreement, which is a separate legal matter between you and the other parent.

If your divorce agreement requires the custodial parent to release the right to claim the child, make sure they sign Form 8332 every year or for all future years. If they refuse, you cannot claim the child for tax purposes, and you may need to go back to court to enforce the agreement. A family law attorney can help you understand what your divorce agreement requires and what your options are if the other parent is not cooperating.

Frequently Asked Questions

Can I claim my child if we share custody exactly 50/50?

No, unless you have the higher income. When custody is exactly equal, the IRS treats the parent with the higher income as the custodial parent. That parent has the automatic right to claim the child. If you have the lower income, you need the other parent to sign Form 8332 to claim the child.

What if the other parent refuses to sign Form 8332?

You cannot claim the child without their written permission. If your divorce agreement requires them to release the right to claim the child and they refuse, you may need to go back to court to enforce the agreement. A family law attorney can advise you on your options.

Do I need to file Form 8332 with my tax return every year?

Only if you are claiming the child that year. If the custodial parent signed Form 8332 for multiple years or all future years, you attach a copy to your return each year you claim the child. If they only signed it for one year, you need a new form the following year.

Can the custodial parent take back the right to claim the child after I file?

They can revoke Form 8332 at any time, but the revocation only affects future years. If they revoke it in 2024, you cannot claim the child starting in 2024, but your 2023 return (if you already filed it) is not affected. They must give you written notice of the revocation.

What if I claimed the child without Form 8332 and the IRS rejected my claim?

You will receive a notice from the IRS explaining why your claim was disallowed. You can amend your return using Form 1040-X to remove the child from your claim and reduce your tax liability. If you owe taxes as a result, you will also owe interest on the amount owed from the original due date.