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Form 4868: Application for Automatic Extension of Time to File
IRS Form 4868 is the Application for Automatic Extension of Time to File a U.S. individual income tax return, letting calendar‑year taxpayers extend their 2025 filing deadline by six months to October 15, 2026 (or to April 15, 2026 for most returns).
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IRS Form 4868 - Application for Automatic Extension of Time to File
IRS Form 4868 is the Application for Automatic Extension of Time to File a U.S. individual income tax return, letting calendar‑year taxpayers extend their 2025 filing deadline by six months to October 15, 2026 (or to April 15, 2026 for most returns).
Risk Radar
Scan points- 1Failing to pay the estimated tax with Form 4868 can trigger interest and penalties.
- 2Leaving line 4 blank or entering an inaccurate estimate of total tax liability.
- 3Including the payment you make with Form 4868 in the total payments reported on line 5.
- 4Failing to compute the balance due correctly, such as entering a negative amount on line 6.
- 5Not signing the form before mailing or e‑filing it.
Plain English
Form 4868 gives you extra time to file your 2025 individual income tax return. You estimate the tax you owe, optionally send a payment, and keep the original due date for any balance. The extension does not postpone the payment deadline, so interest may accrue.
Submission Date
- Filing date: File Form 4868 by the due date of your return. For a 2025 calendar‑year return, this is April 15, 2026 for most people.
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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Glossary Terms
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What this form is for
- Use this form when you need an automatic six‑month extension to file your 2025 calendar‑year individual income tax return (Form 1040, 1040‑SR, 1040‑NR, 1040‑SS) or related gift/GST return.
- Do not use it when you make an electronic payment that is marked as an extension, because the extension is processed automatically.
- Check Form 8892 instead when you need to pay gift or generation‑skipping transfer tax for 2025.
Form selector
Use this form or another form?
Fiscal‑year taxpayer needing an extension
Fiscal year taxpayers must file a paper Form 4868
✓ Verify you are a fiscal‑year taxpayer before proceeding
Gift and GST tax return for 2025
Extension does not extend time to pay gift/GST tax
✓ Confirm you will file Form 709 by original due date
Disaster‑affected taxpayer seeking extra time
Disaster relief may grant additional filing time
✓ Check IRS disaster relief page for eligibility
Deadline or filing window
An extension is needed when you cannot file your 2025 individual income tax return by its original due date. The standard filing deadline for Form 4868 is the return’s due date—April 15, 2026 for most taxpayers. The extension adds up to six months, moving the final filing date to October 15, 2026, and out‑of‑country filers receive an additional two‑month grace period to June 15, 2026.
Checklist
What you need before filling it out
Confirmation number
Confirmation number from electronic payment · Electronic payment receipt
Estimated tax liability (lines 4‑6)
Tax return calculations · Form 4868 worksheet
Mailing address
Correct IRS address for your state · Page 4 address list
Electronic payment method
Bank account, digital wallet, credit/debit card details · Payment section of Form 4868
Filing requirement for fiscal year taxpayers
Paper Form 4868 · General Instructions
Before you submit
- 1Confirm the filing deadline is April 15, 2026 for your 2025 return.
- 2Verify you have paid any estimated tax due and marked the payment as an extension.
- 3Enter the confirmation number from your electronic payment, if applicable.
- 4Complete lines 4, 5, and 6 with your estimated tax liability and payments already made.
- 5If sending a paper form with payment, attach the payment to the form.
- 6Select the correct IRS mailing address for your state based on whether you are sending a payment.
- 7Retain the electronic acknowledgment or mailed receipt for your records.
How to file this form
- 1Calculate your total tax liability and subtract payments already made (lines 4‑6).
- 2Choose a filing method: electronic payment with extension, e‑file, or paper.
- 3If paying electronically, submit payment through IRS website or EFTPS and note the confirmation number.
- 4If filing electronically, submit Form 4868 via IRS e‑file and retain the electronic acknowledgment.
- 5If filing on paper, mail the completed Form 4868 to the appropriate IRS address for your state, including payment if applicable.
Known limitations
- 1Does not extend time to pay any gift or generation‑skipping transfer tax owed for 2025.
- 2Out‑of‑country U.S. citizens or residents receive two extra months automatically and do not need to file Form 4868.
- 3Fiscal‑year taxpayers must file a paper Form 4868; electronic filing is not permitted.
Field map
Compact field-by-field guide
Part I
2 items
Your legal name and current address.
Primary SSN. If MFJ, include both SSNs.
Part II
3 items
Your best estimate of what you will owe for the year.
Withholding + estimated payments already made.
Amount you must PAY by April 15 even with extension.
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Fillable formOpen in Editor->Form 4868 is the 20/25 edition; the form directs filers to www.irs.gov/Form4868 for the latest information. No change details are provided in the source.
What changed or needs a fresh check
- Edition date — confirm the revision reads 20/25
- Fee — Not stated in the official source
- Mailing address — confirm you use the address listed for paper filings on page 4
- Signature — Not stated in the official source
Quick Facts
Downloads
After you file
- 1Retain the electronic acknowledgment you receive after completing an electronic filing.
- 2Keep the confirmation number from your electronic payment for your records.
- 3If you mailed a paper Form 4868 with payment, keep the mailing receipt and a copy of the form.
- 4Do not file another Form 4868 if you already paid electronically and indicated the payment is for an extension.
Sources
- SRCForm p.1 — revision date 20 / 25 appears on the form header.
- SRCForm p.1 — directs filers to www.irs.gov/Form4868 for the latest information.
- SRCForm p.2 — filing deadline for 2025 return is April 15, 2026 for most people.
- SRCForm p.1 — fiscal year taxpayers must file a paper Form 4868.
- SRCForm p.3 — electronic payment provides a confirmation number that must be entered.
- SRCForm p.4 — mailing addresses for paper filings are listed by state.
- SRCForm p.1 — you do not need to file Form 4868 if you make an electronic payment marked as an extension.
- SRCForm p.1 — extension does not extend time to pay gift and GST tax; use Form 8892 for payment.
- SRCForm p.2 — out‑of‑country taxpayers get 2 extra months without filing an extension.
- SRCForm p.1 — three ways to request an automatic extension: payment, electronic filing, paper filing.
Common confusion points
Do I need to file Form 4868 if I pay electronically?
Because the source says a payment marked for extension processes automatically, many think filing is still required.
→ Verify you received a confirmation number and that the payment was indicated as an extension.
What is the exact deadline to submit Form 4868?
The filing deadline differs from the tax return deadline and can be confusing.
→ Confirm the due date is April 15, 2026 for the 2025 return as stated on page 2.
Can I file Form 4868 electronically?
Some believe the form is paper‑only.
→ Ensure you use IRS e‑file or tax software that supports Form 4868.
Is a payment required when filing Form 4868?
The form mentions optional payment, leading to uncertainty.
→ Determine if you owe tax; if not, you may file without a payment.
Which mailing address should I use for my paper Form 4868?
Multiple addresses are listed for payment vs. no payment and by state.
→ Select the address based on your state and whether you are including a payment, per page 4.
Does the extension also extend time to pay gift and GST tax?
The source clarifies it does not, but taxpayers may assume it does.
→ Review the Gift and GST section and use Form 8892 for any required payments.
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 8892 – pay gift or GST tax not covered by the extension.
Questions about IRS Form 4868
What is IRS Form 4868 used for?
Form 4868 gives you extra time to file your 2025 individual income tax return. You estimate the tax you owe, optionally send a payment, and keep the original due date for any balance. The extension does not postpone the payment deadline, so interest may accrue.
Who must file IRS Form 4868?
U.S. individual taxpayers filing a 2025 calendar‑year (or fiscal‑year) income tax return—such as Form 1040, 1040‑SR, 1040‑NR, 1040‑SS, or the related gift and GST returns—must use Form 4868 to request an extension.
What information does IRS Form 4868 require?
Part I collects the filer’s name, address, and Social Security numbers. Part II requires you to enter your estimated 2025 total tax liability on line 4, total payments on line 5, compute the balance due on line 6, and note any payment on line 7; line 8 is checked for an extra four‑month out‑of‑country extension.
When is IRS Form 4868 due?
File Form 4868 by the due date of your return. For a 2025 calendar‑year return, this is April 15, 2026 for most people.
How do I complete IRS Form 4868?
Enter your personal information in Part I, then estimate your 2025 tax liability and payments in Part II lines 4‑5. Compute the balance due on line 6 and record any payment on line 7. If you are out of the country and need an extra four months, check the box on line 8. Sign the form and file it by the return’s due date.
What happens if IRS Form 4868 is filed incorrectly?
If you do not pay the amount due by the original deadline, interest accrues and you may be charged penalties; an unreasonable tax estimate can cause the IRS to invalidate the extension.
Do I need to file Form 4868 if I pay electronically?
Because the source says a payment marked for extension processes automatically, many think filing is still required. Verify you received a confirmation number and that the payment was indicated as an extension.
What is the exact deadline to submit Form 4868?
The filing deadline differs from the tax return deadline and can be confusing. Confirm the due date is April 15, 2026 for the 2025 return as stated on page 2.
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