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.
Official form guide
IRS Form 8809-I is an Application for Extension of Time to File FATCA Form 8966, used by filers needing more time to submit their required reporting. The due date for filing Form 8966 is March 31 of the following year.
Need help with Form 8809I?
Open it in the AI Editor for field guidance, checks, and PDF export.
Need help? AI Editor guides you through every field of Form 8809I.
Start filling →Form Overview
IRS Form 8809-I is an Application for Extension of Time to File FATCA Form 8966, used by filers needing more time to submit their required reporting. The due date for filing Form 8966 is March 31 of the following year.
Plain English
This form allows a filer to ask the IRS for extra time to turn in Form 8966, which reports on Foreign Account Tax Compliance Act (FATCA) information. Filing this request ensures that if you are late, you have formally asked for an extension instead of just filing past the deadline.
Submission Date
AI co-pilot
Form selector
Reporting Model 1 FFI reporting on behalf of another entity
This entity may not request an additional extension because it must report directly to the Model 1 jurisdiction's tax authority.
✓ Check line 13/14
Filer is a Direct Reporting NFFE or Sponsoring Entity/Trustee
These entities must complete lines 1 through 3c on Form 8809-I.
✓ Check lines 1-3c
Requesting an additional hardship extension
This requires demonstrating extenuating circumstances beyond the initial automatic extension period.
✓ Check line 14 detail
Form 8809-I must be filed by the due date of Form 8966, which is March 31 of the year following the tax year. If requesting an additional hardship extension, it must be filed by the first extended due date of Form 8966.
Checklist
Form Purpose
Request initial or additional extension of time to file Form 8966 · Instructions p.1
Filer Requirement
Must be a filer needing more time to file Form 8966 · Instructions p.1
Automatic Extension Period
90 days from the original due date · Instructions p.1
Hardship Exception Granting Authority
IRS may grant an additional 90-day extension · Instructions p.1
Filing Deadline (Standard)
March 31 of the year following the year to which Form 8966 relates · Instructions p.1
Address Requirement
Must include country and postal code in lines 1-3c · Instructions p.1
Field map
Entity Info
1 items
Name and taxpayer ID of the entity claiming the credit.
Credit Info
1 items
Type of credit or incentive being claimed.
Calculation
2 items
The base amount used to calculate the credit.
Calculated credit amount after applying formulas and limitations.
Certification
1 items
Detailed breakdown supporting the credit calculation.
Signatures
1 items
Sign and date the form.
Almost done reviewing the fields?
Fillable formOpen in Editor->The current edition is November 2015, and users can find the latest information regarding Form 8809-I developments at www.irs.gov/form8809i.
Quick Facts
Downloads
When should I file this form?
You must file Form 8809-I before the due date of Form 8966, but you cannot file it before January 1 of the filing year.
→ Check the 'When To File' section on Instructions p.1.
What is the standard extension period granted by this form?
The automatic extension to file Form 8966 is 90 days from the original due date.
→ Confirm the duration stated in the 'Extension Period' section on Instructions p.1.
How do I request *more* than the initial 90-day extension?
You must apply for an additional 90-day extension under the hardship exception, which is not automatic.
→ Verify that extenuating circumstances prevented filing by the first granted date (Instructions p.1).
What happens if I file late without this form?
Filers may be subject to a late filing penalty if Form 8966 is filed late and an approved extension was not received.
→ Review the 'Penalty' section on Instructions p.1.
Do I need to include anything else when mailing this form?
Do not send a copy of Form 8809-I or any letters along with it (when filing for Form 8966).
→ Check the Note under the 'When To File' section on Instructions p.1.
What is the address to mail this form to?
Mail paper Form 8809-I to: Internal Revenue Service FATCA, Stop 6052 AUSC 3651 South IH 35 Austin, TX 78741.
→ Confirm this mailing address under the 'Where To File' section on Instructions p.1.
Workflow map
Before
Current
After
Often used with
⚠ If something goes wrong
This form allows a filer to ask the IRS for extra time to turn in Form 8966, which reports on Foreign Account Tax Compliance Act (FATCA) information. Filing this request ensures that if you are late, you have formally asked for an extension instead of just filing past the deadline.
Filers who need more time to file Form 8966 should submit Form 8809-I before the due date of Form 8966. A separate request must be filed for each individual filer requesting an extension.
The form collects information starting with Lines 1 through 3c, which detail the filer's name and address. It also captures details like the GIIN (Line 10) and TIN (Line 11) of the entity being reported on.
Form 8809-I must be filed by the due date of Form 8966, which is March 31 of the year following the tax year. It should be filed as soon as an extension is necessary, but not before January 1 of that filing year.
Paper copies of Form 8809-I must be mailed to the Internal Revenue Service FATCA, Stop 6052 in Austin, TX 78741. The source does not specify an electronic filing location for this form.
First, complete Lines 1 through 3c with your contact information. If applicable, fill out lines like 5 (TIN) and 6a through 6c before detailing the entity on lines 7 through 11. For an additional extension, a signature is required.
Filers may face a late filing penalty if Form 8966 is filed late and the filer has not applied for and received an approved extension of time to file via Form 8809-I.
You must file Form 8809-I before the due date of Form 8966, but you cannot file it before January 1 of the filing year. Check the 'When To File' section on Instructions p.1.
Source transparency
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.
Review risky clauses in plain English, fix the document, and keep it moving toward signature.