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IRSOther IRS Forms (1000–1999)

Official form guide

Form 13750: 13750

IRS Form 13750 is the application for an automatic 6‑month extension to file a Form 1120‑F, U.S. Income Tax Return of a Foreign Corporation. Use it when a foreign corporation cannot meet the original filing deadline.

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Form Overview

IRS Form 13750 - 13750

IRS Form 13750 is the application for an automatic 6‑month extension to file a Form 1120‑F, U.S. Income Tax Return of a Foreign Corporation. Use it when a foreign corporation cannot meet the original filing deadline.

The form captures the corporation’s name, EIN, tax year, original due date, and the requested extension period.

Risk Radar

Scan points
  • 1A missed or incorrect extension request can trigger immediate penalties.
  • 2Mailing after the original due date
  • 3Incorrect EIN or tax year
  • 4Missing signature
  • 5Using an outdated edition of the form

Plain English

If a foreign company needs more time to finish its U.S. corporate tax return, it files this short form to ask the IRS for a six‑month extension. The request is simple, but the IRS must receive it before the original due date.

Submission Date

  • Filing date: 2012-07-17 00:00:00
  • 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 you need a 6‑month extension for Form 1120‑F.
  • Do not use for individuals or domestic corporations.
  • If you need a longer extension or relief from penalties, see Form 1127.

Form selector

Use this form or another form?

Tax due but need payment plan

Requests penalty relief and installment agreement

✓ Verify eligibility before filing

Form 1127

Extension for individual return

Not applicable to foreign corporations

✓ Use only for Form 1040

Form 4868

Deadline or filing window

The extension request must be received by the IRS on or before the original Form 1120‑F filing deadline (typically the 15th day of the 4th month after the end of the corporation’s tax year). If the request arrives late, the extension is not granted and penalties may apply.

  • —Tax year end | N/A | Extension end date = Original due date + 6 months | Verify calendar month

Checklist

What you need before filling it out

1

Corporation name

Articles of Incorporation or IRS records · Form 1120‑F header

⚠ Misspelled name can cause rejection✕ High
2

Employer Identification Number

IRS EIN assignment letter · EIN box on Form 13750

⚠ Transposed digits✕ Medium
3

Tax year end

Corporate bylaws or prior return · Tax year field

⚠ Wrong year blocks extension✕ High
4

Signature

Authorized officer’s signature · Signature line

⚠ Missing or unauthorized signature✕ High
5

Mailing date

Postmark · Cover letter or tracking

⚠ Late postmark results in denial✕ High

Before you submit

  1. 1Confirm you are a foreign corporation required to file Form 1120‑F
  2. 2Use the latest edition of Form 13750
  3. 3Enter correct EIN and tax year
  4. 4Check that the requested extension does not exceed six months
  5. 5Sign and date the form
  6. 6Attach any required tax payment
  7. 7Make a photocopy for your records
  8. 8Mail via trackable service to the correct IRS address
  9. 9Verify postmark is on or before the original due date
  10. 10Retain the receipt and tracking number

How to file this form

  1. 1Download Form 13750 from IRS.gov
  2. 2Print on single‑sided 8.5" x 11" paper
  3. 3Complete identifying information and extension period
  4. 4Sign the form as an authorized corporate officer
  5. 5Enclose any tax payment due with the form
  6. 6Mail to the address specified in the Form 1120‑F instructions
  7. 7Track delivery and keep proof of mailing
  8. 8File a copy with your corporate records

Known limitations

  1. 1Form 13750 cannot be filed electronically
  2. 2Only a six‑month automatic extension is available; longer relief requires a separate request
  3. 3The form does not waive any tax liability
  4. 4IRS may request additional documentation after receipt

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 13750 is currently active for tax years 2023 onward. Check the IRS website for any revisions before filing.

What changed or needs a fresh check

  • Edition date – verify the form’s revision date matches the current tax year
  • Fee – no fee for the extension request itself
  • Mailing address – use the address in the latest Form 1120‑F instructions
  • Signature line – ensure an authorized officer signs
  • Paper size – print on standard 8.5" x 11" paper

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Quick Facts

Foreign corporations that must file Form 1120‑F and need extra time to file.
The form captures the corporation’s name, EIN, tax year, original due date, and the requested extension period.
File Form 13750 on or before the original Form 1120‑F filing deadline to obtain an automatic extension.
Mail the completed form to the IRS address listed in the instructions for Form 1120‑F; electronic filing is not available.
Late filing without an approved extension incurs penalties and interest, which can be avoided by submitting this form on time.
1. Download the latest version of Form 13750 from IRS.gov. 2. Fill in the corporation’s identifying information and the tax year. 3. Indicate the requested extension (up to six months). 4. Sign and date the form. 5. Mail it to the address in the Form 1120‑F instructions before the original deadline.

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After you file

  1. 1Keep the mailed copy and delivery confirmation
  2. 2Monitor IRS correspondence for acceptance or additional requests
  3. 3Update internal filing calendar to reflect the new deadline
  4. 4Prepare the full Form 1120‑F for the extended filing date
  5. 5If penalties are assessed, consider filing Form 1127 for relief
  6. 6Maintain all supporting documents for at least three years

Sources

  • SRCForm 13750 title and purposeIRS official form description
  • SRCExtension period (6 months)IRS instructions for Form 13750
  • SRCNo filing feeIRS fee schedule for extension requests
  • SRCMail‑only submissionIRS filing instructions for Form 13750
  • SRCSignature requirementForm 13750 line items
  • SRCEdition date locationtop of Form 13750 PDF
  • SRCRelated forms (1120‑F, 1127, 843)IRS cross‑reference list
  • SRCNot found in provided sourceelectronic filing option

Common confusion points

Extension vs. penalty relief

Users think the form also removes penalties

→ Verify purpose before filing

Foreign corporation vs. domestic

Domestic entities must use different forms

→ Check entity classification

Electronic filing

Some think e‑filing is possible

→ Confirm paper‑only requirement

Six‑month limit

Users request longer extensions

→ Remember the maximum is six months

Address changes

IRS address updates yearly

→ Use the address from current Form 1120‑F instructions

Workflow map

Related forms and next steps

4 signals

Before

Form 1120‑F – primary corporate tax return

Current

13750

After

Form 1120‑F (extended filing) – file by new deadline

Often used with

Form 1127 – request for penalty abatement

⚠ If something goes wrong

  • Form 843 – claim for refund or abatement of penalties

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Source transparency

Copyright & Licensing - US Government Forms

Independent guide

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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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