What is Form 8332 and when is it needed?

The rule in one paragraph

Form 8332 appears in Publication 504’s list of forms as “Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent.” The publication says the custodial parent must use it, or a similar statement containing the same information, to make a written declaration releasing a claim to an exemption for a child to the noncustodial parent. Because the exemption amount is zero for 2025, the practical payoff is the child tax credit, the additional child tax credit and the credit for other dependents, if applicable. The noncustodial parent must attach a copy to the tax return each year the custodial parent releases the claim.

When it is needed

It is needed whenever the child is the custodial parent’s qualifying child under the nights test and the noncustodial parent wants to claim the child. The custodial parent is the parent with whom the child lived for the greater number of nights, and with equal nights the parent with the higher adjusted gross income. The release also sits inside a four-part test: the parents divorced, separated under a written agreement or lived apart in the last six months; the child received over half of the year’s support from the parents; and the child was in the custody of one or both parents for more than half the year. For a decree or agreement taking effect after 2008, there is no substitute for the signed form or statement; see the decree page.

What it must say and for how long

The release can be for one year, for a number of specified years such as alternate years, or for all future years, as the declaration specifies. For a post-2008 agreement, the statement’s only purpose must be to release the claim, and it must do so without conditions. The publication gives the example that the release must not depend on the noncustodial parent paying support. Because the noncustodial parent must attach the information even if it was filed with a return in an earlier year, keep a copy for every year you use it.

What it does not cover

Form 8332 does not apply to other tax benefits, such as the earned income credit, the dependent care credit or head of household filing status, and the publication points to Publication 501. The custodial parent keeps the ability to claim those, if eligible. The child tax credit page has the benefit-by-benefit split.

Revoking a release, with timing

A custodial parent can revoke a release previously given. For the revocation to be effective for 2025, the custodial parent must have given, or made reasonable efforts to give, written notice of the revocation to the noncustodial parent in 2024 or earlier. Part III of Form 8332 can be used. The custodial parent attaches a copy of the revocation to the return for each tax year the child is claimed as a result of it. The rule is a year-before rule: notice in year N works from year N+1. Enter a notice year above to see the first tax year it can take effect.

Worked example

A father has claimed the child under a release that covers all future years. In March 2025 the mother gives written notice revoking it. Under the publication’s wording, a revocation is effective for 2025 only if notice was given in 2024 or earlier, so notice given in 2025 cannot take effect for 2025; the earliest effective year is 2026, and the father may still rely on the release for 2025. If instead the mother had given notice in December 2024, the revocation would be effective for 2025 and she would attach a copy of it to her return when she claims the child.

Where to find the form

Publication 504 directs readers to IRS.gov/Forms for forms and instructions. Form instructions can change from year to year, so read the current-year version before relying on any detail here.

Sources

• IRS Publication 504, Divorced or Separated Individuals (2025): Useful Items (Form 8332), Written declaration, Post-2008 divorce decree or separation agreement, and Revocation of release of claim to an exemption. Read November 2, 2026.

Edition read: Publication 504 (2025), for use in preparing 2025 returns. Dollar limits and dates in this publication are for 2025; check the current publication and form instructions for your tax year. This page summarizes the publication and does not replace it.