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Form 4868: Application for Automatic Extension of Time to File
IRS Form 4868 is an Application for Automatic Extension of Time to File used by fiscal year taxpayers to apply for 6 more months to file their 2025 income tax return.
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IRS Form 4868 - Application for Automatic Extension of Time to File
IRS Form 4868 is an Application for Automatic Extension of Time to File used by fiscal year taxpayers to apply for 6 more months to file their 2025 income tax return.
Risk Radar
Scan points- 1Failing to estimate your tax liability accurately means the entire extension may become null and void.
- 2Failing to estimate total tax liability and entering it on line 4.
- 3Not calculating the balance due correctly by subtracting Line 5 from Line 4.
- 4Forgetting that filing Form 4868 does not extend the time to pay taxes.
- 5Omitting payments made toward the return when filling out Line 5.
Plain English
This form allows a taxpayer to get an extra six months to submit their annual income tax paperwork. If the taxpayer files this Form 4868 by the original due date, they automatically extend the time to file forms like the Form 1040 for another six months.
Submission Date
- Filing date: For most people filing a 2025 calendar year return, Form 4868 must be filed by April 15, 2026. Fiscal year taxpayers file it by the due date of their fiscal year return.
- 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 extension of time to file your 2025 U.S. individual income tax return (or Form 1040-SR, 1040-NR, or 1040-SS).
- Do not use it if you are not a fiscal year taxpayer.
- Check Form 709 or Form 709-NA instead when applying for an extension specifically related to Gift and generation-skipping transfer (GST) tax.
Form selector
Use this form or another form?
Filing electronically via payment
You receive an electronic acknowledgment that must be kept with records.
✓ Do not mail the paper Form 4868 unless paying by check or money order.
Filing on paper while making a payment
The mailing address depends on where you live and whether you are sending it to the IRS or Department of the Treasury.
✓ Verify the correct mailing address based on your state/location.
Mail Form 4868 with your estimate of tax due
Making an electronic payment only
If you pay part or all of your estimated income tax electronically, the IRS automatically processes the extension.
✓ Ensure the electronic payment is clearly designated for an extension.
You do not need to file Form 4868
Deadline or filing window
The filing trigger is the due date of the return; most taxpayers must file Form 4868 by April 15, 2026. This grants an automatic extension up to 6 months (October 15, 2026).
Checklist
What you need before filling it out
Purpose of Form
Application for automatic extension of time to file Form 1040, 1040-SR, 1040-NR, or 1040-SS for 6 months (or 4 if out of country) · Form p.1
Extension benefit
6 more months to file (reduced to 4 if 'out of the country') · Form p.1
Penalty trigger date
April 15, 2026, for most people · Form p.2
Late Payment Penalty Rate
Usually ½ of 1% of unpaid tax (other than estimated tax) per month/part of a month · Form p.2
Payment requirement for reasonable cause
At least 90% of total tax must be paid by the due date through withholding, estimated payments, or payment with Form 4868 · Form p.2
Paper Filing Requirement
Fiscal year taxpayers must file a paper Form 4868 · Form p.1
Before you submit
- 1Confirm you are applying for an extension of time to file the 2025 tax return.
- 2Verify that if you are a fiscal year taxpayer, you must submit a paper Form 4868.
- 3If paying electronically, confirm the payment is indicated as being for an extension.
- 4If filing on paper and paying, ensure you enclose your estimate of tax due with Form 4868 (this step is optional if paying electronically).
- 5Confirm that if you are making a payment, you have selected the correct method: bank/digital wallet/cash/card.
- 6Ensure that for reasonable cause, at least 90% of your total tax liability is paid by the due date.
- 7If filing separately but intending to file jointly later, confirm how the payment amount will be entered on the joint return.
How to file this form
- 1Complete Form 4868 using it as a worksheet if you need to estimate tax liability (subtract payments already made from total estimated tax).
- 2Choose your filing method: pay electronically, file e-file through software/professional, or complete the paper form.
- 3If mailing the paper Form 4868, send it with your payment to the appropriate IRS or Department of the Treasury address based on your location.
- 4If paying electronically (online or by phone), ensure the system processes the extension automatically and keep the electronic acknowledgment.
- 5If filing e-file through software/professional, provide information from your 2024 tax return for taxpayer verification.
- 6Keep a copy of Form 4868 regardless of whether you file electronically or on paper.
Known limitations
- 1If a taxpayer is under a court order to file their return by the due date, they should not file Form 4868.
- 2The IRS will contact the filer only if the request for an extension of time to file is denied.
- 3For gift and generation-skipping transfer (GST) tax returns (Form 709 or 709-NA), filing Form 4868 extends the time to file, but it does not extend the time to pay any gift and GST tax owed for 2025.
- 4If a taxpayer is out of the country on the due date and is a U.S. citizen or resident, they are allowed 2 extra months to file and pay without requesting an extension, though interest will still be charged.
- 5For fiscal year taxpayers, Form 4868 must be filed as a paper form.
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.
Almost done reviewing the fields?
Fillable formOpen in Editor->The current edition is 20/25, and users are directed to www.irs.gov/Form4868 for the latest information.
What changed or needs a fresh check
- Edition date — confirm the revision reads 20/25.
- Payment method — verify you have chosen to pay via bank account, digital wallet (Click to Pay, PayPal, Venmo), cash, or credit/debit card if paying electronically.
- Mailing address — confirm the correct mailing location based on your state and whether you are sending it to the IRS or Department of the Treasury.
- Signature — confirmation that a signature is required (implied by "complete the Form 4868
- ).
- Tax Year — confirm the form applies to the 2025 calendar year income tax return.
Quick Facts
Downloads
After you file
- 1Keep a copy of the completed Form 4868 for records.
- 2If paying electronically, retain the confirmation number received when making the payment online or by phone.
- 3If filing on paper and mailing it, ensure you send it to the correct IRS or Department of the Treasury center based on your location.
- 4When using an electronic payment method, pay the entire estimated tax owed, as paying only part may subject the filer to a penalty.
Sources
- SRCForm 4868 (20/25) is the Application for Automatic Extension of Time To File for the U.S. Individual Income Tax Return.
- SRCThere are three ways to request an automatic extension: paying part or all electronically, filing Form 4868 electronically, or filing a paper Form 4868 (with optional payment).
- SRCThe IRS automatically processes an extension when part or all of the estimated income tax is paid electronically.
- SRCIf you are a fiscal year taxpayer, you must file a paper Form 4868.
- SRCForm 4868 applies to requesting 6 more months (or 4 if out of the country) to file Form 1040, 1040-SR, 1040-NR, or 1040-SS for calendar year 2025.
- SRCFor a 2025 calendar year return, the due date is April 15, 2026, for most people (Form p.2).
- SRCIf you pay electronically and indicate it is for an extension, you do not have to file Form 4868, but paying the entire estimated tax owed avoids penalties.
- SRCPaper Form 4868s must be sent to different addresses depending on where the filer lives and whether a payment is being made (Form p.4).
Common confusion points
Should I file Form 4868 even if I pay my taxes electronically?
The IRS automatically processes the extension when you pay part or all of your estimated income tax electronically.
→ Pay electronically, but still consider filing Form 4868 to be certain.
What is the deadline for a calendar year taxpayer filing in 2025?
For most people, the due date for a 2025 calendar year return is April 15, 2026.
→ Confirm this date aligns with your specific circumstances.
Do I have to file Form 4868 if I am a fiscal year taxpayer?
Yes, you must file a paper Form 4868 if you are a fiscal year taxpayer.
→ Do not rely on electronic payment alone for filing status confirmation.
What happens if the donor died during 2025 when filing Form 709/709-NA?
The instructions for Forms 709 or 709-NA, and Form 8892, must be consulted.
→ Check the specific instructions for those forms.
Can I use a digital wallet like PayPal to file electronically?
Yes, you can pay online using a digital wallet such as Click to Pay, PayPal, and Venmo when requesting an extension.
→ Ensure your payment method allows you to indicate the payment is for an extension.
If I am out of the country, do I still have to request an extension?
No, if you are a U.S. citizen or resident, you are allowed 2 extra months without requesting it, but interest will be charged on payments made after the due date.
→ Check your specific "out of the country" status against the definition provided in the instructions.
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 8892 must be used when making a payment for gift and GST tax if you are filing Form 709 or 709-NA.
Questions about IRS Form 4868
What is IRS Form 4868 used for?
This form allows a taxpayer to get an extra six months to submit their annual income tax paperwork. If the taxpayer files this Form 4868 by the original due date, they automatically extend the time to file forms like the Form 1040 for another six months.
Who must file IRS Form 4868?
Fiscal year taxpayers must file a paper Form 4868.
What information does IRS Form 4868 require?
Part I collects personal identification information such as name(s), address, and Social Security numbers. Part II requires an estimate of the total tax liability (Line 4) and the total payments made for 2025 (Line 5).
When is IRS Form 4868 due?
For most people filing a 2025 calendar year return, Form 4868 must be filed by April 15, 2026. Fiscal year taxpayers file it by the due date of their fiscal year return.
Where do I file IRS Form 4868?
The form is submitted to the Internal Revenue Service (IRS) via the Department of the Treasury; the source does not specify a single filing address or service center for all filers.
How do I complete IRS Form 4868?
The filer must properly estimate their 2025 tax liability and enter it on line 4 of Form 4868. They then calculate the balance due (Line 6) after subtracting total payments from line 5. The form must be signed before sending to apply for the extension.
What happens if IRS Form 4868 is filed incorrectly?
If the taxpayer does not pay the amount due by the original due date, they will owe interest and may also be charged penalties. If the estimate on Line 4 is later found to be unreasonable, the extension can become null and void.
Should I file Form 4868 even if I pay my taxes electronically?
The IRS automatically processes the extension when you pay part or all of your estimated income tax electronically. Pay electronically, but still consider filing Form 4868 to be certain.
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