To fill out Schedule EIC on Form 1040, list up to three qualifying children, and for each one enter the child’s name and Social Security number exactly as they appear on the SS card, the four-digit year of birth, a yes-or-no answer on student status and on disability, the child’s relationship to you, and the number of months the child lived with you in the United States. The form itself doesn’t calculate anything; it identifies the children who entitle you to the Earned Income Tax Credit. You figure the credit amount separately using the EIC worksheet in the Form 1040 instructions, or your tax software does it for you.
One boundary before you start: if you’re claiming the EITC without any qualifying children, you don’t file Schedule EIC at all. You complete the EIC worksheet and put the credit on your 1040. Schedule EIC exists only for the version of the credit that runs through a child.1Internal Revenue Service. Schedule EIC (Form 1040) – Earned Income Credit
Who Counts as a Qualifying Child
Before you write a name on the form, confirm each child passes four tests. The qualifying child definition comes from the general dependent rules with EITC-specific modifications, most importantly that the child’s home must be in the United States and there is no self-support test.2Office of the Law Revision Counsel. 26 USC 32 – Earned Income
Relationship. The child must be your son, daughter, stepchild, adopted child, foster child placed by an authorized agency, or a descendant of any of those (a grandchild, for example). A brother, sister, half-sibling, stepsibling, or descendant of one of those also qualifies. Adopted children count the same as biological children.3Office of the Law Revision Counsel. 26 USC 152 – Dependent Defined
Age. The child must be under 19 at the end of the tax year, or under 24 if a full-time student, and younger than you (or your spouse, if filing jointly). A child who was permanently and totally disabled at any point during the year qualifies regardless of age.3Office of the Law Revision Counsel. 26 USC 152 – Dependent Defined
Residency. The child must have lived with you in the United States (the 50 states and D.C.) for more than half the year. Temporary absences for school, medical care, vacation, or military service still count as time in your home. Armed Forces members on extended active duty (more than 90 days) stationed outside the U.S. are treated as having their principal home in the United States.2Office of the Law Revision Counsel. 26 USC 32 – Earned Income
Joint return. The child can’t have filed a joint return for the year, unless the only reason for that joint return was to claim a refund of withheld tax or estimated payments.3Office of the Law Revision Counsel. 26 USC 152 – Dependent Defined
If more than one person could claim the same child, only one actually can. The IRS applies tie-breakers in this order: a parent beats a non-parent; between two parents not filing jointly, the parent the child lived with longer wins; if the time was equal, the parent with the higher AGI wins; if neither is a parent, the person with the highest AGI wins; and a non-parent can claim over a parent only if the non-parent’s AGI is higher than any parent who could have claimed the child.4Internal Revenue Service. Publication 596 – Earned Income Credit
Social Security Number Rules That Decide Everything
Every SSN on the return has to work, or the credit doesn’t. You, your spouse if filing jointly, and every child listed on Schedule EIC need a Social Security number valid for employment and issued on or before the return’s due date, including extensions.5Internal Revenue Service. Basic Qualifications An ITIN in place of any of those SSNs disqualifies you from the EITC entirely, including the version for workers without children.
A card marked “VALID FOR WORK ONLY WITH DHS AUTHORIZATION” counts as long as the work authorization is current. A card stamped “NOT VALID FOR EMPLOYMENT” (typically issued when someone gets a federal benefit like Medicaid) does not.5Internal Revenue Service. Basic Qualifications
Filling Out the Six Lines for Each Child
Schedule EIC has three identical columns, one per child, six lines each. You can list up to three, and three is enough for the maximum credit even if you have more qualifying children. If you do have more than three, pick any three; the choice doesn’t change the credit.1Internal Revenue Service. Schedule EIC (Form 1040) – Earned Income Credit
Line 1 — Child’s Name
Enter the first and last name exactly as it appears on the child’s Social Security card. A mismatch between what you type here and what the SSA has on file is one of the most common reasons the IRS reduces or denies the credit. Look at the physical card before you file.
Line 2 — Child’s SSN
Enter the child’s Social Security number. It must be an SSN valid for employment, as described above. If a child was born and died during the tax year and never received an SSN, write “Died” on this line and attach a copy of the birth certificate, death certificate, or hospital records showing a live birth.5Internal Revenue Service. Basic Qualifications
Line 3 — Year of Birth
Enter the four-digit year. The IRS uses this to verify the age test automatically against the SSN.
Line 4a — Student Status
Check “Yes” if the child was under 24 at the end of the year, was a full-time student, and was younger than you (or your spouse). If yes, skip to Line 5. If no, go to Line 4b.
Line 4b — Permanently and Totally Disabled
Check “Yes” if the child was permanently and totally disabled at any point during the year. If you answered “No” to both 4a and 4b and the child is not under 19, the child doesn’t qualify and shouldn’t be listed.
Line 5 — Relationship
Write the child’s relationship to you in plain words: son, daughter, grandchild, niece, nephew, foster child, half-brother, and so on.
Line 6 — Number of Months Lived With You
Enter the number of months (up to 12) the child lived with you in the United States during the year. If the child was born or died during the year and your home was the child’s home for more than half the time the child was alive, enter 12.1Internal Revenue Service. Schedule EIC (Form 1040) – Earned Income Credit Anything under seven months fails the more-than-half-the-year residency test, and the IRS will flag or deny the credit.
Attaching and Filing
Attach the completed Schedule EIC to your Form 1040 or 1040-SR.6Internal Revenue Service. How to Claim the Earned Income Tax Credit (EITC) You have to file a return to claim the credit even if your income is low enough that you wouldn’t otherwise have to file. E-filing software bundles Schedule EIC into the return automatically. If you paper-file, place Schedule EIC behind the main 1040 before mailing to the processing center listed in the Form 1040 instructions for your state.
One extra form applies to some filers. If the IRS denied your EITC in a prior year for any reason other than a math or clerical error, you have to attach Form 8862, Information to Claim Certain Credits After Disallowance, the next time you claim the credit.7Internal Revenue Service. Form 8862 (Rev. December 2025) Skip it and the IRS will send an automatic math error notice removing the credit without any further review.8Internal Revenue Service. Handling Processing Errors
Mistakes That Kill the Credit
The EITC has one of the highest error rates of any tax credit, and the IRS screens returns aggressively. The recurring problems on Schedule EIC:
- Name on Line 1 doesn’t match the SSN on Line 2 as recorded at the SSA. Check the physical card.
- Someone else already filed claiming the same child’s SSN. The second electronic return rejects; the second filer has to paper-file and prove the stronger claim under the tie-breaker rules.8Internal Revenue Service. Handling Processing Errors
- Line 6 shows fewer than seven months, which fails residency.
- An ITIN or a “NOT VALID FOR EMPLOYMENT” SSN appears anywhere on the return.
- Form 8862 is missing after a prior-year denial.
If the IRS Asks for Proof
If something on Schedule EIC triggers review, you’ll get a letter asking for documentation of the child’s relationship and residency. Records that help include school enrollment documents, medical records showing the child’s address, lease agreements listing the child as an occupant, and letters from childcare providers or social service agencies. You typically have 30 days to respond before the IRS finalizes a denial, so keep those records where you can find them once the return is filed.