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IRS Schedule 8812 & CTC Rules Verified 2026

US Child Tax Credit (CTC & ACTC) Guide

Authoritative handbook on the US Child Tax Credit — $2,200 max credit per child under 17, $1,700 refundable Additional Child Tax Credit (ACTC), $200k/$400k phase-out thresholds, and SSN rules.

Child Tax Credit (CTC) Calculator

Estimate the CTC and ordinary ACTC earned-income formula using modified AGI, earned income, and qualifying children. Schedule 8812 contains additional eligibility and limitation rules.

Frequently Asked Questions

For 2026, the Child Tax Credit provides up to $2,200 per qualifying child under age 17. Up to $1,700 per qualifying child may be refundable through the Additional Child Tax Credit (ACTC), subject to the earned-income formula and other Schedule 8812 rules.

The credit begins to phase out at $200,000 of modified adjusted gross income for Single/Head of Household and other applicable non-joint filers, or $400,000 for Married Filing Jointly. The credit is reduced by $50 for each $1,000, or fraction of $1,000, by which modified AGI exceeds the applicable threshold.

Yes. A qualifying child generally must have a valid SSN issued before the due date of the return (including extensions) to claim the CTC/ACTC. On a joint return, only one spouse must have a valid SSN; the other spouse must have an SSN or an ITIN issued by the return due date.

Yes, if the dependent otherwise meets the ODC requirements. The ODC is a nonrefundable credit of up to $500 per qualifying dependent who is not eligible for the CTC. The dependent generally must be a U.S. citizen, U.S. national, or U.S. resident alien and have an SSN, ITIN, or ATIN as required by the IRS. The ODC is also subject to the $200,000/$400,000 modified-AGI phaseout.

A qualifying child generally must be under age 17 at the end of the tax year, meet the relationship and dependent rules, live with the taxpayer for more than half the year subject to exceptions, not provide more than half of their own support, and be a U.S. citizen, U.S. national or U.S. resident alien. Additional rules apply.
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