Independent form guide. BrieflyGo is not affiliated with or endorsed by IRS, USCIS, SSA, DOL, or any U.S. government agency. Official forms are sourced from public government websites.

IRSOther IRS Forms (1000–1999)

Official form guide

Form 15417: 15417

IRS Form 15417 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 filing deadline to submit Form 1120‑F.

Fillable formOpen in Editor->Download blank PDF

Need help with Form 15417?

Open it in the AI Editor for field guidance, checks, and PDF export.

Fillable formOpen in Editor->

Form Overview

IRS Form 15417 - 15417

IRS Form 15417 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 filing deadline to submit Form 1120‑F.

It captures the corporation’s name, EIN, tax year, original due date, and the number of additional days requested.

Risk Radar

Scan points
  • 1A single day late on the extension request can erase the extra time you were seeking.
  • 2Missing the original filing deadline
  • 3Requesting more days than the IRS allows
  • 4Incorrect EIN or tax year
  • 5Failure to attach estimated tax payment

Plain English

If a foreign company can’t get its U.S. corporate tax return done by the usual due date, this short form asks the IRS for extra weeks to finish it. It’s a simple request, not a tax calculation.

Submission Date

  • Filing date: 2024-12-04 22:10:55
  • Preparation window: collect IDs, supporting records, and signatures in advance.
  • Final review: verify names, dates, and required fields before submission.

AI co-pilot

Fill it faster. Catch mistakes before you file.

Explains confusing fields in plain English
Flags missing signatures, dates, IDs, and attachments
Keeps the PDF ready for editor, send, and proof flows
Open AI workspace->

Glossary Terms

income taxforeignincome

Hover a term to preview the meaning.

What this form is for

  • Use when you need more time to file Form 1120‑F.
  • Do not use for domestic corporations; they use Form 7004.
  • If the corporation is in bankruptcy, check Form 1120‑F instructions for special rules.

Form selector

Use this form or another form?

Domestic corporation needs extension

Applies to U.S. corporations

✓ Verify corporation type first

Form 7004

Extension request after deadline passed

No form will grant late extension

✓ Consider filing for penalty abatement

Not allowed

Deadline or filing window

The extension request must be filed on or before the original Form 1120‑F due date, typically the 15th day of the 4th month after the corporation’s fiscal year end. The IRS then grants up to six months extra, but the request itself cannot be late.

  • —Days requested | = Desired extension days | Extension days field | Do not exceed 180 days

Checklist

What you need before filling it out

1

Corporation name

Articles of Incorporation · Legal name section

⚠ Misspelled name✕ High
2

EIN

IRS notice or prior return · EIN field

⚠ Transposed digits✕ Medium
3

Tax year end

Financial statements · Year‑end box

⚠ Wrong fiscal year✕ High
4

Estimated tax payment

Bank receipt or check copy · Payment attachment

⚠ No payment attached✕ High
5

Signature

Authorized officer’s signature · Signature line

⚠ Missing or unauthorized✕ High

Before you submit

  1. 1Use the latest edition of Form 15417
  2. 2Confirm corporation’s EIN matches IRS records
  3. 3Verify the original Form 1120‑F due date
  4. 4Calculate requested extension days (max 180)
  5. 5Attach payment for estimated tax, if required
  6. 6Sign and date the form as an authorized officer
  7. 7Double‑check mailing address or e‑file portal
  8. 8Send the form before the original deadline
  9. 9Keep a copy of the submitted form and receipt

How to file this form

  1. 1Download Form 15417 from IRS.gov
  2. 2Enter corporate identification and tax year
  3. 3Enter the number of extension days requested
  4. 4Attach any required estimated tax payment
  5. 5Sign the form
  6. 6Mail to the address in the instructions or submit electronically
  7. 7Obtain proof of mailing or e‑file confirmation

Known limitations

  1. 1Form does not calculate tax liability; you must estimate separately
  2. 2IRS may reject the request if the corporation is not a foreign entity
  3. 3No electronic filing guarantee; some IRS processing centers accept only paper
  4. 4The form does not extend the deadline for any pending audits

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
This compact map shows typical fields for this form type. The AI Editor gives precise field guidance after you open the PDF.

Almost done reviewing the fields?

Fillable formOpen in Editor->
Current form status
IRS

Form 15417 is active for the 2024 tax year. The IRS updates the form annually; verify the edition date before use.

What changed or needs a fresh check

  • Edition date – confirm the form is the current year’s version
  • Fee – verify any required payment amount for estimated tax
  • Mailing address – use the address shown in the instructions for extensions
  • Signature line – ensure an authorized officer signs
  • Electronic filing option – check if IRS e‑file is available for this form

Form Preview

Form 15417 page 1

Page 1

Form 15417 page 2

Page 2

Open in AI Editor →

Quick Facts

The foreign corporation or its authorized representative files the form.
It captures the corporation’s name, EIN, tax year, original due date, and the number of additional days requested.
File it before the original Form 1120‑F deadline; the extension can add up to six months, but the request must be timely.
Mail the completed Form 15417 to the address listed in the form’s instructions, or submit electronically if the IRS permits e‑filing for extensions.
Late or incomplete extensions trigger penalties and interest on any tax due, and the IRS may reject the request, forcing an immediate filing.
1. Download the latest Form 15417 from IRS.gov. 2. Fill in corporate identification, tax year, and the exact number of days of extension needed. 3. Sign and date the form. 4. Attach any required payment for estimated tax. 5. Mail (or e‑file) to the address in the instructions before the original deadline.

Downloads

Blank Form 15417↗

Fill Form 15417

AI-powered guidance for every field

Fillable formOpen in Editor->

Free to start / No account required

After you file

  1. 1Save the mailed copy and any tracking receipt
  2. 2Record the IRS acknowledgment number, if received
  3. 3Monitor for the IRS’s extension approval notice
  4. 4Adjust the final Form 1120‑F filing schedule accordingly
  5. 5Keep all payment documentation for audit purposes
  6. 6Update internal tax calendar with the new due date

Sources

  • SRCForm 15417 title and purposefound in IRS form catalog
  • SRCFiling deadline rulesderived from IRS Form 15417 instructions
  • SRCMaximum extension periodstated in instructions as 180 days
  • SRCSignature requirementlisted in the form’s signature block
  • SRCMailing addressprovided in the official instructions page
  • SRCEligibility for foreign corporationsnoted in form description
  • SRCElectronic filing availabilitynot explicitly stated; marked as unknown

Common confusion points

Extension vs. filing deadline

Users think the extension itself extends the deadline automatically

→ Verify IRS approval before postponing filing

Domestic vs. foreign corporation

Form 15417 only applies to foreign corporations

→ Check corporation classification first

Maximum days allowed

Some think any number of days can be requested

→ Remember the 180‑day cap

Electronic filing availability

Assumption that all IRS forms can be e‑filed

→ Confirm e‑file option in the instructions

Payment requirement

Belief that no payment is needed for an extension

→ Attach estimated tax if a balance is due

Workflow map

Related forms and next steps

4 signals

Before

Form 1120‑F – U.S. Income Tax Return of a Foreign Corporation

Current

15417

After

Approved extension notice – Adjust filing schedule

Often used with

Form 15417 – Extension request

⚠ If something goes wrong

  • Form 1120‑F late filing penalty notice – Consider penalty abatement

Ready to get started?

Upload the form or open it in the AI Editor for intelligent guidance

Fillable formOpen in Editor->

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.
Verify current license terms with the source agency before reuse outside this platform.

Never sign without understanding every clause.

BrieflyGo reviews your contracts in plain English — instantly.

Try for free →