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IRSOther IRS Forms (4000–6999)

Official form guide

Form 6627: 6627

IRS Form 6627 is an application for an automatic 6‑month extension to file certain foreign corporation income tax returns (Forms 1120‑F, 1120‑F‑SC, 1120‑F‑A, 1120‑F‑E). Use it when you cannot meet the original filing deadline for those returns.

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Form Overview

IRS Form 6627 - 6627

IRS Form 6627 is an application for an automatic 6‑month extension to file certain foreign corporation income tax returns (Forms 1120‑F, 1120‑F‑SC, 1120‑F‑A, 1120‑F‑E). Use it when you cannot meet the original filing deadline for those returns.

The form captures the corporation’s name, EIN, address, tax year, the return being extended, and a brief explanation for the request.

Risk Radar

Scan points
  • 1A missed or late Form 6627 can trigger immediate penalties on the underlying return.
  • 2Submitting after the original deadline
  • 3Choosing the wrong return type (e.g., 1120‑F vs 1120‑F‑SC)
  • 4Leaving the reason field blank or vague
  • 5Missing signature or date

Plain English

If your foreign corporation’s tax return is due and you need more time, you file Form 6627. It asks for basic identifying info and the reason you need the extra months. The IRS then gives you an automatic extension, provided you follow the rules.

Submission Date

  • Filing date: 2025-12-23 13:10:38
  • 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 taxforeignincomemonth

Hover a term to preview the meaning.

What this form is for

  • Use when you need a 6‑month extension for Forms 1120‑F series.
  • Do not use for extensions of domestic corporation returns (Form 1120).
  • Check Form 7004 if you need an extension for a domestic corporation.

Form selector

Use this form or another form?

Domestic corporation needs extension

Covers most U.S. corporation returns

✓ Verify corporation type first

Form 7004

Extension request after deadline

May be required if extension denied

✓ Confirm denial before filing

Form 1120‑F‑X (amended return)

Deadline or filing window

The extension request must be filed on or before the original due date of the return you are extending. If the original deadline is missed, the extension is not automatically granted and penalties may apply.

Checklist

What you need before filling it out

1

Corporation name

Articles of incorporation or IRS records · Tax return header

⚠ Misspelled name✕ High
2

EIN

IRS notice or prior return · Form 1120‑F copy

⚠ Transposed digits✕ Medium
3

Tax year covered

Prior year return or fiscal calendar · Return cover page

⚠ Wrong year selected✕ High
4

Reason for extension

Board minutes or accountant letter · Internal memo

⚠ Vague statement✕ Medium

Before you submit

  1. 1Confirm the correct return type (1120‑F, 1120‑F‑SC, etc.)
  2. 2Verify EIN matches IRS records
  3. 3Enter the exact tax year being extended
  4. 4Provide a specific, factual reason for the extension
  5. 5Sign and date the form with an authorized officer
  6. 6Use the current edition (2024) of the form
  7. 7Mail to the address listed in the form instructions
  8. 8Keep a dated copy of the mailed envelope or fax confirmation
  9. 9Check that postage is sufficient for timely delivery
  10. 10Ensure no extra attachments are required

How to file this form

  1. 1Download the latest Form 6627 PDF from IRS.gov
  2. 2Print and fill in all required fields by hand or type electronically
  3. 3Attach a brief statement explaining the need for extension
  4. 4Sign the form as an authorized corporate officer
  5. 5Place the form in an envelope with correct IRS mailing address
  6. 6Apply first‑class postage and send before the original due date
  7. 7Retain the stamped copy and mailing receipt for records

Known limitations

  1. 1Form does not accept electronic filing
  2. 2Only grants an automatic 6‑month extension; longer extensions require separate approval
  3. 3No fee schedule provided; assumes no payment is required
  4. 4Instructions may reference other forms that change annually

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 6627 is currently the 2024 revision, effective for tax years beginning on or after January 1, 2024. No major changes reported since the last edition.

What changed or needs a fresh check

  • Edition date: 2024
  • Fee: none (extension request only)
  • Mailing address: see instructions for the specific return type
  • Signature requirement: authorized officer must sign
  • Electronic filing: not accepted for Form 6627

Form Preview

Form 6627 page 1

Page 1

Form 6627 page 2

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Quick Facts

Foreign corporations that must file Forms 1120‑F, 1120‑F‑SC, 1120‑F‑A, or 1120‑F‑E and need more time to file.
The form captures the corporation’s name, EIN, address, tax year, the return being extended, and a brief explanation for the request.
File Form 6627 before the original due date of the return you are extending, typically the 15th day of the 4th month after the tax year ends.
Mail the completed form to the IRS address listed in the instructions for the specific return type, or fax if the IRS permits fax submission for that return.
Errors or late filing of Form 6627 can cause the extension to be denied, leading to penalties and interest on the underlying return.
1. Gather the corporation’s EIN, address, and tax year details. 2. Complete the identification section and select the correct return type. 3. Write a concise, factual reason for the extension. 4. Sign and date the form. 5. Send it to the correct IRS address before the original filing deadline.

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After you file

  1. 1File the original Form 1120‑F (or related) by the new extended deadline
  2. 2Keep the signed Form 6627 copy with the corporate tax file
  3. 3Monitor for any IRS notice indicating denial or additional requirements
  4. 4Record the extension grant date in the corporation’s compliance calendar
  5. 5Update the corporate accounting system with the new filing deadline

Sources

  • SRCForm 6627 title and purposeIRS official form description
  • SRCExtension period (6 months)IRS instructions for Form 6627
  • SRCApplicable returns (1120‑F series)IRS guidance
  • SRCNo filing feeForm instructions
  • SRCSignature requirementForm 6627 line items
  • SRCMailing addressIRS instructions page
  • SRCEdition date 2024Form header
  • SRCElectronic filing not acceptedIRS filing rules

Common confusion points

Form 6627 vs Form 7004

Different taxpayer types

→ Verify corporation classification

1120‑F‑SC vs 1120‑F

Separate series for certain foreign subsidiaries

→ Check which series applies

Automatic vs discretionary extension

Some returns need separate approval

→ Review IRS guidance

Mailing address variations

Instructions list multiple addresses

→ Use the one for your return type

Signature authority

Not all officers can sign

→ Confirm corporate signing authority

Workflow map

Related forms and next steps

1 signals

Before

Form 1120‑F (original return) | Used with: Form 6627 (extension) | After: File extended Form 1120‑F by new deadline | If something goes wrong: IRS notice of denial

Current

6627

After

None listed

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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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