How to Claim the Child Tax Credit in 2026 and Documents You Need
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- You claim the Child Tax Credit by filing a federal tax return.
- Each qualifying child needs a valid Social Security number.
- Have proof of the child relationship, age, and residency ready.
- You can file for free – never pay to claim a credit you are owed.
The Child Tax Credit can lower your tax bill or add to your refund, but you have to claim it on a tax return – it does not arrive automatically. Here is how to claim it in 2026 and the documents you need.
How you claim it
You claim the Child Tax Credit when you file your federal income tax return (Form 1040) and attach Schedule 8812, which calculates the credit and any refundable portion. Even if you earn too little to owe tax, filing a return is how you receive the refundable part, so it is usually worth filing.
Documents you need
- A valid Social Security number for each qualifying child, issued before the tax deadline.
- Your own Social Security number or taxpayer ID.
- Proof of the child’s relationship to you (birth certificate or official record).
- Proof the child lived with you for more than half the year, such as school, medical, or childcare records.
- Your income documents: W-2 forms from employers and any 1099 forms.
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Check that your child qualifies
In general, a qualifying child must be under the age limit at year-end, related to you, have lived with you for more than half the year, and be claimed as your dependent. The exact credit amount depends on your income and number of children – see the Child Tax Credit guide for the current figures.
File for free
You do not need a paid preparer. Free options include IRS Free File for eligible incomes and Volunteer Income Tax Assistance (VITA) sites that prepare returns at no cost. Never pay a fee that eats into a credit you are owed, and avoid anyone promising an “advance” on your refund for a charge.
Stack other family help
Families who claim the Child Tax Credit often also qualify for other programs. Check SNAP food benefits, Medicaid for children, and other benefits for parents.
Official source
Learn the current rules and file at irs.gov/childtaxcredit. Filing your own return is free, and free help is available.
Frequently asked questions
Do I have to file taxes to get the Child Tax Credit?
Yes. The credit is claimed on a federal tax return. Even with little or no income, filing is how you receive the refundable portion.
What if my child does not have a Social Security number?
A qualifying child must have a valid SSN issued by the tax deadline to claim the Child Tax Credit. A child with an ITIN may qualify you for a different, smaller credit instead.
Can I get help filing for free?
Yes. IRS Free File and VITA sites offer free preparation. You never have to pay to claim a credit you are entitled to.
After you file, learn how to check your Child Tax Credit payment status.
What to Do Next
Ready to move forward? Claiming and applying are free through the official agency – you never pay a third party. Gather what you need and file as early as you can, and keep copies of everything you submit.
See also: the Earned Income Tax Credit.