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IRSOther IRS Forms (4000–6999)

Official form guide

Form 4422: 4422

IRS Form 4422 is the Application for Extension of Time to File Form 1120‑F, the U.S. Income Tax Return of a Foreign Corporation. Use it when a foreign corporation needs more than the standard 6‑month filing period for its Form 1120‑F.

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Form Overview

IRS Form 4422 - 4422

IRS Form 4422 is the Application for Extension of Time to File Form 1120‑F, the U.S. Income Tax Return of a Foreign Corporation. Use it when a foreign corporation needs more than the standard 6‑month filing period for its Form 1120‑F.

Collects the corporation’s name, EIN, address, tax year, original filing deadline, and the requested extension period.

Risk Radar

Scan points
  • 1A single typo in the EIN can invalidate the entire extension request.
  • 2Missing the original filing deadline
  • 3Incorrect EIN or tax year entered
  • 4Requesting more than a 6‑month extension
  • 5Signature missing or unsigned

Plain English

If a foreign company can’t get its U.S. corporate tax return done by the deadline, it can ask the IRS for extra time with Form 4422. The form asks for basic company info and the reason you need the extension. It does not change any tax owed.

Submission Date

  • Filing date: 2025-06-02 22:10:16
  • 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

income taxforeignperiodincomemonth

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What this form is for

  • Use when a foreign corporation needs extra time to file Form 1120‑F.
  • Do not use for individuals or domestic corporations.
  • If you need an extension for a partnership return, see Form 8868.

Form selector

Use this form or another form?

Requesting extension for Form 1120 (domestic corporation)

Same‑year automatic 6‑month extension

✓ Verify corporation type

Form 7004

Need to amend a filed Form 1120‑F

Not an extension request

✓ Use only after original return filed

Form 1120‑F, Amended Return

Deadline or filing window

The extension request must be received by the IRS on or before the original Form 1120‑F due date. If the request arrives late, the corporation is subject to the standard late‑filing penalty. The IRS may grant up to a 6‑month extension, but not beyond that period.

  • —Requested extension months | 6 (maximum) | New filing deadline | Verify does not exceed 6 months

Checklist

What you need before filling it out

1

EIN

IRS notice or prior return · Form 1120‑F header

⚠ Transposed digits✕ High
2

Tax year end

Corporate charter or prior return · Form 1120‑F top line

⚠ Wrong year end✕ Medium
3

Signature

Authorized officer signature · Signature block

⚠ Missing or illegible✕ High
4

Mailing date

Certified mail receipt · Postal tracking

⚠ Late postmark✕ High

Before you submit

  1. 1Use the latest edition of Form 4422
  2. 2Verify EIN matches prior filings
  3. 3Confirm tax year and original due date
  4. 4Enter requested extension not exceeding 6 months
  5. 5Sign and date the form
  6. 6Attach payment for any estimated tax due
  7. 7Mail to the correct IRS address
  8. 8Obtain a mailing receipt or certified‑mail proof

How to file this form

  1. 1Download Form 4422 from IRS.gov
  2. 2Complete identifying information (name, EIN, address)
  3. 3Enter the tax year and original filing deadline
  4. 4Specify the new deadline (up to 6 months later)
  5. 5Sign the form as an authorized officer
  6. 6Include any required tax payment
  7. 7Mail to the address in the instructions before the original deadline

Known limitations

  1. 1Form does not waive tax liability; only extends filing time
  2. 2No electronic filing option; must be mailed
  3. 3Extension cannot exceed 6 months regardless of circumstance
  4. 4IRS may reject if the corporation’s EIN is inactive

Field map

Compact field-by-field guide

6 fields

General Info

2 items

Taxpayer Name and TIN

Full legal name and taxpayer identification number (SSN or EIN).

Requiredtext
Address

Current mailing address.

Requiredtext

Details

2 items

Required Information

Complete all applicable sections of this form according to the official IRS instructions.

Requiredtext
Amount (if applicable)

Enter the relevant dollar amount if this form involves tax calculation.

amount

Certification

1 items

Certification Statement

Read and acknowledge any certifications required by this form.

Requiredcheckbox

Signatures

1 items

Signature

Sign and date. Unsigned forms cannot be processed.

Requiredsignature
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Current form status
IRS

Form 4422 is still active for tax years beginning after 2020. The IRS updates the edition annually; verify the edition date on the PDF before use.

What changed or needs a fresh check

  • Edition date – confirm the PDF shows the current tax year edition
  • Fee – no filing fee for the extension request itself
  • Mailing address – use the address in the instructions for the corporation’s state
  • Signature line – must be signed by an authorized officer
  • Contact info – include a phone number for follow‑up

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Quick Facts

Filed by the foreign corporation or its authorized representative.
Collects the corporation’s name, EIN, address, tax year, original filing deadline, and the requested extension period.
Submitted before the original Form 1120‑F due date, typically the 6th month after the corporation’s tax year ends.
Mail to the IRS address listed in the form’s instructions for the corporation’s filing location; no electronic filing option is provided.
Errors can cause the extension request to be denied, resulting in late‑filing penalties and interest on any tax due.
1. Download the latest Form 4422 from IRS.gov. 2. Fill in the corporation’s identifying information and the tax year. 3. Indicate the new filing deadline you are requesting (up to 6 months). 4. Sign and date the form. 5. Mail it to the correct IRS address before the original due date.

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After you file

  1. 1Keep a copy of the signed Form 4422 and mailing receipt
  2. 2Track the new filing deadline on a calendar
  3. 3Monitor IRS correspondence for acceptance or denial
  4. 4If denied, prepare to file Form 1120‑F and pay penalties promptly
  5. 5Retain proof of any tax payment sent with the request
  6. 6Update corporate records with the new deadline

Sources

  • SRCForm 4422 title and purposeIRS official form description
  • SRCExtension maximum of 6 monthsIRS instructions for Form 4422
  • SRCNo filing feeIRS fee schedule for extension forms
  • SRCMailing address requirementForm 4422 instructions page
  • SRCSignature requirementForm 4422 signature block
  • SRCEligibility limited to foreign corporationsIRS form eligibility section
  • SRCNo electronic filing optionIRS e‑file guidelines for Form 4422
  • SRCPenalty risk for late filingIRS penalty rules for missed extensions

Common confusion points

Extension vs. amendment

Users think the form changes tax owed

→ Verify purpose is only to extend filing time

Domestic vs. foreign corporation

Form 4422 is only for foreign entities

→ Check corporation classification first

Maximum extension length

Some think any length is allowed

→ Confirm 6‑month cap

Electronic filing availability

Some portals list e‑filing

→ Confirm only paper submission is accepted

Payment requirement

Not all think a payment is needed

→ Attach estimated tax if any liability exists

Workflow map

Related forms and next steps

4 signals

Before

Form 1120‑F (original return)

Current

4422

After

Form 1120‑F (file by new deadline)

Often used with

Form 7004 (domestic corporation extension) for comparison

⚠ If something goes wrong

  • Form 1120‑F Late Filing Penalty Notice

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Source transparency

Copyright & Licensing - US Government Forms

Independent guide

BrieflyGo links to and explains official public form sources. We are not a government agency, and this page is for general form guidance, not legal advice.

Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
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