IRS Forms

Form 1040 Schedule 8812 – Child Tax Credit & ACTC Guide

Form 1040 Schedule 8812 guide for 2025, claim up to $2,200 per child and up to $1,700 refundable, apply $200k/$400k phaseouts, plus SSN rules and a checklist.

Accountably Editorial Team 12 min read Dec 03, 2025 Updated Dec 03, 2025
A few filing seasons ago, a parent asked why their refund dropped even though nothing big changed. We walked through their return and found it, a child’s Social Security card arrived after the deadline, so the credit they expected did not apply that year. Small detail, big outcome. If you have ever stared at Schedule 8812 and felt unsure, you are in good company. Once you know the rules, you can claim what you qualify for and avoid delays.

For the 2025 tax year, Schedule 8812 is how you figure two credits tied to your dependents. You calculate the Child Tax Credit, up to 2,200 per qualifying child under 17, and, when eligible, the refundable Additional Child Tax Credit, up to 1,700 per child.

You also apply the Adjusted Gross Income phaseouts and send the results to your Form 1040. Finish Form 1040 first, then complete Schedule 8812 so amounts flow to the Child Tax Credit line and the Additional Child Tax Credit line on your return.

Key Takeaways

  • The Child Tax Credit for 2025 is up to 2,200 per qualifying child under 17. If your tax is smaller than your credit, you may get up to 1,700 per child as the refundable Additional Child Tax Credit when you meet earned income rules. The earned income floor for ACTC is 2,500.
  • You qualify for the full credit at or below 200,000 AGI if single, head of household, married filing separately, or qualifying surviving spouse, and 400,000 if married filing jointly. Above those amounts, the credit phases down.
  • Your child must have an SSN valid for employment issued by the return due date. If a dependent does not meet CTC rules, you may consider the 500 Credit for Other Dependents, which is nonrefundable.
  • Schedule 8812 totals move to the standard credit lines on Form 1040, with the nonrefundable part going to the child and other dependents credit line, and any refundable amount going to the Additional Child Tax Credit line. Line references have historically been line 19 and line 28. Confirm your final form before filing.

Quick rule, measure twice, file once. A correct SSN, clean earned income, and the right worksheet are the difference between a smooth refund and a stalled return.

What Schedule 8812 Is Used For

Schedule 8812 does three jobs.

  • It figures your nonrefundable Child Tax Credit, CTC.
  • It calculates your refundable Additional Child Tax Credit, ACTC, when your CTC is larger than your tax and you meet the earned income rules.
  • It includes your Credit for Other Dependents, ODC, up to 500 for dependents who are not eligible for the CTC.

You attach Schedule 8812 to Form 1040, 1040‑SR, or 1040‑NR. Parts II‑B and II‑C include special pathways for families with three or more qualifying children and for bona fide residents of Puerto Rico.

Who Should File Schedule 8812

File Schedule 8812 if you are claiming the Child Tax Credit, the Additional Child Tax Credit, or the Credit for Other Dependents. You will also use it if you need to apply phaseouts based on your AGI. If you file Form 2555 for the foreign earned income exclusion, you generally cannot claim the refundable ACTC. Puerto Rico residents have special instructions and can use Schedule 8812 to determine their refundable amount.

What To Gather Before You Start

Required Personal Details

  • SSNs or ITINs for you and your spouse if filing jointly.
  • For each child you want to claim for the CTC, a Social Security number valid for employment, issued by the return due date. If the child has only an ITIN or ATIN by the due date, the CTC does not apply, though ODC may.

Dependent And Income Documents

  • Exact legal names and birthdates as shown on Social Security cards.
  • Proof of relationship and residency, for example school or medical records, custody agreements, or military housing records.
  • Earned income records, W‑2s, 1099‑NEC or 1099‑MISC, and self‑employment ledgers, because earned income controls the refundable calculation after the 2,500 threshold.

Prior‑Year Records

If the IRS reduced or denied your CTC, ACTC, or ODC for any year after 2015 for more than a math error, you may need to attach Form 8862 before the credit will be allowed again. Keep that form and any IRS notices with your files.

The Qualifying Child Rules, A Quick Checklist You Can Trust

To claim the Child Tax Credit, each child must pass all of the tests below. If one test fails, you cannot claim the CTC for that child, though the ODC may still apply.

Relationship, Age, Residency, Support, Dependency, Status, ID

  • Relationship, your son, daughter, stepchild, eligible foster child, brother, sister, stepbrother, stepsister, half sibling, or a descendant like a grandchild, niece, or nephew.
  • Age, the child is under 17 at the end of 2025.
  • Residency, the child lived with you for more than half the year. Short absences for school, medical care, military service, juvenile detention, or time around birth or death still count as living with you.
  • Support, the child did not provide more than half of their own support.
  • Dependency, you claim the child as a dependent and they did not file a joint return other than to claim a refund.
  • Status, the child is a U.S. citizen, U.S. national, or U.S. resident alien.
  • Identification, the child has an SSN valid for employment issued by the due date.

SSN Versus ITIN, What Changes For You

  • SSN by the due date, you may claim the CTC and possibly ACTC if all tests are met.
  • Only ITIN or ATIN by the due date, you cannot claim the CTC or ACTC for that dependent, but you may claim the 500 ODC if the separate ODC rules are met.

Common Custody Situations

  • If you are the noncustodial parent, you generally need a signed Form 8332 or similar release to claim the child. The SSN timing rule still applies.
  • If a child appears to qualify for more than one person, the IRS tiebreaker rules decide who can claim. Stay consistent with court orders and keep documentation.

Relationship Reference Table

Relationship group Examples included Not included
Direct line Son, daughter Cousin
Step or half Stepchild, half sibling In‑law
Collateral Brother, sister Parent
Descendant Grandchild, niece, nephew Sibling’s spouse

From my review desk this year, the most common miss was a newborn whose SSN arrived after the extended due date. We used ODC for that year, then moved the child to CTC the next year once the SSN rule was met. That one detail changed the refund outcome.

Credit For Other Dependents, When A Child Does Not Meet CTC Rules

If a dependent does not qualify for the CTC, you may claim up to 500 as the nonrefundable Credit for Other Dependents. The dependent must be on your return, be a U.S. citizen, U.S. national, or U.S. resident alien, and have an SSN, ITIN, or ATIN by the due date. The credit can reduce your tax to zero, but it does not create a refund.

2025 Income Limits And Phaseouts

Your potential CTC begins to phase out once your AGI exceeds the threshold for your filing status. For 2025, those thresholds are 200,000 for single, head of household, married filing separately, or qualifying surviving spouse, and 400,000 for married filing jointly. Above the threshold, your credit steps down.

Filing status Phaseout begins, AGI Max CTC per child
Single 200,000 2,200
Head of Household 200,000 2,200
Married Filing Separately 200,000 2,200
Qualifying Surviving Spouse 200,000 2,200
Married Filing Jointly 400,000 2,200

ACTC, The Refundable Part

  • Maximum refundable ACTC per child in 2025 is 1,700, subject to earned income rules and caps.
  • Earned income must exceed 2,500, then 15 percent of the excess can fund the refund, limited by per‑child caps and any remaining CTC after Part I.
  • If you file Form 2555, the refundable ACTC is generally not allowed.

Simple example, if your earned income is 20,000, the amount above 2,500 is 17,500. Fifteen percent is 2,625. Your possible ACTC is the smallest of that number, your leftover CTC after Part I, and the per‑child 1,700 cap. Let the worksheet do the final math.

Part I, Child Tax Credit And Credit For Other Dependents

Part I handles the nonrefundable stage. You count qualifying children with SSNs, add other dependents if any, apply the phaseout, and then compare to your credit limit. The result goes to the child credit line on Form 1040.

Step‑By‑Step

  • Complete Form 1040 through the lines that feed Schedule 8812 so AGI and taxable income are final.
  • On Schedule 8812, enter the number of qualifying children under 17 with SSNs, then multiply by 2,200.
  • Enter other dependents who do not meet CTC rules and multiply by 500 for ODC.
  • Add the two amounts, then apply the phaseout worksheet based on your filing status.
  • Use the Credit Limit Worksheet to cap the nonrefundable amount. The smaller number is your allowed nonrefundable credit and flows to the child and other dependents credit line on Form 1040. Historically, that is line 19. Verify on your final form.

If your potential CTC is larger than the allowed nonrefundable amount from the worksheet, move to Part II to see if some or all of the remainder is refundable as ACTC.

Mini Case, Two Kids, No Phaseout

You have two children under 17 with SSNs and file as head of household with AGI of 80,000. Your starting CTC is 2 × 2,200 equals 4,400. The phaseout does not apply. The Credit Limit Worksheet shows you can use 3,000 on the nonrefundable line. The remaining 1,400 becomes your starting point for Part II.

Part II‑A, Additional Child Tax Credit For Most Filers

Part II‑A figures your refundable amount. You must complete Form 1040 through the lines that feed this part. If you file Form 2555, you generally cannot claim the ACTC. You also have the option to check a box to opt out of the refundable portion if you prefer to keep the entire credit nonrefundable.

How The Refund Amount Is Determined

  • Start with leftover potential credit, the difference between your total CTC and the Part I amount you claimed as nonrefundable.
  • Compare that to the per‑child cap, number of qualifying children times 1,700.
  • Then compare to 15 percent of earned income over 2,500.
  • Your refundable ACTC is the smallest of those numbers. Enter it on Schedule 8812 and carry it to the Additional Child Tax Credit line on Form 1040, historically line 28.

What Counts As Earned Income

Wages, salaries, tips, and self‑employment net earnings count. Unemployment and most investment income do not. If you received nontaxable combat pay, you may elect to include it as earned income for this calculation, which can increase your refundable amount. See the Schedule 8812 instructions for the current year before making that choice.

Part II‑B And II‑C, Three Or More Children Or Puerto Rico Residents

If you have three or more qualifying children, or you are a bona fide resident of Puerto Rico, Part II‑B may allow a higher refundable amount than Part II‑A alone. It compares certain payroll taxes and credits. Part II‑C then totals your final ACTC from the applicable method and sends it to the Additional Child Tax Credit line on Form 1040. Follow the line‑by‑line instructions and bring in any required totals from Form 1040 and Schedules 1 through 3.

Tip for software users, confirm Schedule 8812 is attached. A missing attachment can hold your refund even if the math is right.

Special Look‑Back, 2021 Advance Payments And Letter 6419

Only 2021 had monthly advance Child Tax Credit payments. If you are amending that year or answering an IRS notice, you will need IRS Letter 6419 to match the exact advance totals. If your allowable 2021 credit exceeded your advances, you claimed the difference on that return. If your advances exceeded the allowable amount, you may have had a repayment amount, sometimes reduced by repayment protection. Keep those letters with your tax records for at least three years.

Filing Steps And Where To Attach Schedule 8812

  • Finish Form 1040 through the lines that feed Schedule 8812.
  • Complete Schedule 8812 Part I for CTC and ODC, then Part II for any refundable ACTC.
  • Move the nonrefundable total to the Child Tax Credit and Credit for Other Dependents line on Form 1040.
  • Move the refundable total to the Additional Child Tax Credit line on Form 1040.
  • Attach Schedule 8812 when you e‑file or mail your return. Line references have historically been line 19 and line 28. Check your final form to confirm.

Double check IDs. The IRS requires SSNs valid for employment for you, your spouse if filing jointly, and each qualifying child, issued by the return due date, including extensions.

Common Errors, Penalties, And Easy Fixes

  • Claiming CTC for a child who only has an ITIN by the due date. Fix, move that dependent to the 500 ODC if eligible.
  • Missing or mismatched SSN, name, or birthdate. Match exactly to the Social Security card before you file.
  • Skipping Schedule 8812 when your CTC is larger than your tax, which can cost you a refundable amount.
  • Misstating earned income for ACTC. Verify W‑2 totals, 1099‑NEC income, and self‑employment net earnings.
  • Prior disallowance. If a prior‑year credit was reduced or denied, you may need Form 8862 before the IRS will allow it again. Reckless or intentional disregard can trigger a two‑year ban. Keep your documentation tight.

Simple Pre‑File Checklist

  • Names and SSNs match SSA cards
  • Each child under 17 passes relationship, residency, support, and dependency tests
  • AGI checked against 200,000 or 400,000 phaseout threshold
  • Earned income confirmed for the 2,500 threshold and 15 percent calculation
  • No Form 2555 if you want the refundable ACTC
  • Schedule 8812 attached and totals flow to the correct lines

For Accounting Firms, A Quick Note On Process

If your firm handles a high volume of 1040s, standardize Schedule 8812 steps. Use one checklist for SSN validation, one for dependency tests, and one for Part II worksheets. This cuts review time and reduces rework during peak season. If you need added capacity without losing control of workpapers or reviews, Accountably can integrate trained offshore teams that work inside your systems and templates, which helps protect partner review time while meeting deadlines. Use this only where it clearly supports your workflow.

FAQs, Fast And Clear

What is Schedule 8812 on the 1040

It is the form that calculates the Child Tax Credit, the refundable Additional Child Tax Credit, and the Credit for Other Dependents, then moves the amounts to your Form 1040.

Where can I get Schedule 8812

Download the latest Schedule 8812 and read the current instructions at IRS.gov, then attach the completed schedule to your return when you file.

How do I know if I claimed EITC or ACTC

Check your filed return. The Additional Child Tax Credit appears on the refundable credit line for ACTC, historically Form 1040 line 28. Refunds that include EITC or ACTC usually are not issued before mid‑February.

How do I claim the Additional Child Tax Credit

Finish Schedule 8812 Part I first. If your potential CTC is larger than the nonrefundable limit, complete Part II for the ACTC and carry the result to the Additional Child Tax Credit line on Form 1040. Confirm earned income, the 2,500 threshold, the 15 percent calculation, and the 1,700 per‑child cap for 2025.

Worked Examples You Can Adapt

Example 1, One Child, Moderate Income, Refund Applies

  • Status, single. AGI 48,000. One child age 6 with SSN.
  • Part I, starting CTC is 2,200. No phaseout.
  • Credit limit allows 1,900 as nonrefundable.
  • Part II‑A, leftover is 300. Earned income is well above 2,500. Fifteen percent of the excess is more than 300 and below the 1,700 cap, so ACTC is 300 on the refundable line.

Example 2, Two Children, Income Near Phaseout

  • Status, married filing jointly. AGI 410,000. Two children with SSNs.
  • Part I, starting CTC is 4,400. The phaseout begins at 400,000, so excess AGI of 10,000 reduces the credit. After the reduction, the nonrefundable CTC is 3,900 with no ACTC remaining.

Example 3, Three Children, Part II‑B Matters

  • Status, head of household. Three qualifying children. Earned income 22,000.
  • Part II‑A yields a small refundable amount.
  • Part II‑B compares certain payroll taxes and credits, which can lift the refundable amount for families with three or more qualifying children. Part II‑C then totals the final ACTC and moves it to the refundable credit line. Follow the instructions carefully.

Troubleshooting, If Something Looks Off

  • Refund seems too low, confirm every child’s SSN, not an ITIN, and that you completed Part II when your Part I limit was smaller than your total CTC.
  • Software error for an SSN, check exact spelling and order as shown on the card.
  • A child turned 17 during 2025, move that dependent to ODC if the other rules fit.
  • You used Form 2555, remember that generally blocks the refundable ACTC.

Keep records for at least three years, including IDs, residency proof, support details, and income documents. If the IRS questions your claim, you will have what you need.

What, How, Wow, A Fast Recap

  • What, Schedule 8812 figures your Child Tax Credit, your refundable Additional Child Tax Credit if eligible, and the Credit for Other Dependents, then routes the totals to your Form 1040.
  • How, confirm SSNs, finish Form 1040 first, complete Part I to set the nonrefundable amount, then Part II to compute any refund using the 2,500 earned income floor, the 15 percent calculation, and the 1,700 per‑child cap.
  • Wow, small details move real money. A correct SSN by the due date and clean earned income entries can turn a zero into a meaningful refund.

Practical Checklist You Can Print

  • Each qualifying child has an SSN valid for employment, issued by the due date
  • Relationship, age, residency, support, and dependency tests pass
  • AGI checked against 200,000 or 400,000 phaseout threshold
  • Earned income verified for 2,500 threshold and 15 percent calculation
  • No Form 2555 if you want the refundable ACTC
  • Schedule 8812 attached, totals flow to the correct Form 1040 lines

Closing Thoughts

You have everything you need to file Schedule 8812 with confidence this season. Keep IDs tight, walk through Part I and Part II in order, and let the worksheets do the math. If something does not look right, pause, recheck SSNs, earned income, and the phaseout worksheet. Your time is valuable, and clean inputs prevent refund delays.

Educational only, not tax advice. Rules and figures are current as of December 2, 2025. For personalized guidance, talk with a qualified tax professional.

Every Form Represents Work Your Team Has to Deliver

Accountably embeds trained offshore teams into your workflow – so your firm handles more returns without more burnout.

30-Day Guarantee 150+ Firms SOC 2 Aligned