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Official form guide
Form 8966C: Cover Sheet for Form 8966 Paper Submissions
Internal Revenue Service Form 8966-C is a cover sheet used to transmit paper FATCA Forms 8966 to the IRS. Filers check the type of report, list how many are attached, and sign before mailing. Only one box may be checked on line 1.
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IRS Form 8966C - Cover Sheet for Form 8966 Paper Submissions
Internal Revenue Service Form 8966-C is a cover sheet used to transmit paper FATCA Forms 8966 to the IRS. Filers check the type of report, list how many are attached, and sign before mailing. Only one box may be checked on line 1.
Risk Radar
Scan points- 1Checking more than one box on line 1 will cause the filing to be rejected.
- 2Checking more than one box on line 1, violating the single‑box requirement.
- 3Entering a number on line 2 that does not match the actual count of attached Forms 8966.
- 4Failing to ensure the type of Forms 8966 attached matches the box selected on line 1.
- 5Leaving the TIN or GIIN field blank, so the IRS cannot identify the filer.
Plain English
Form 8966‑C is the cover sheet you send when you mail paper FATCA Forms 8966 to the IRS. You write your name, tax ID, choose whether the reports are original, amended, corrected or voided, note how many you are sending, sign, and mail it to the address shown.
Submission Date
- Filing date: 2016-11-08 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
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What this form is for
- Use this form when you need to transmit paper Forms 8966 (FATCA reports) to the IRS.
- Do not use it when you are filing Forms 8966 electronically or have a hardship waiver for electronic filing.
- Check Form 8966 instead when you are filing the report electronically.
Form selector
Use this form or another form?
Submitting an original paper FATCA report
Original paper reports must be accompanied by a cover sheet to identify the submission
✓ Confirm only the Original box is checked on line 1
Submitting an amended paper FATCA report
Amended reports require a separate cover sheet marked Amended
✓ Verify the Amended box is the only one checked
Filing the FATCA report electronically
Electronic filings use the actual Form 8966 without the cover sheet
✓ Ensure you are not using Form 8966‑C
Deadline or filing window
Not stated in the official source.
Checklist
What you need before filling it out
Name of filer
Filer's legal name · Top of Form 8966‑C
Taxpayer Identification Number (TIN) or GIIN
EIN or GIIN number · Line for TIN/GIIN on the cover sheet
Type of paper Forms 8966 attached (line 1)
Selection of Original, Amended, Corrected, or Voided · Line 1 checkboxes
Number of paper Forms 8966 attached (line 2)
Count of attached Form 8966 pages · Line 2 field
Signature block
Signature, title, date, daytime phone · Bottom of Form 8966‑C
Before you submit
- 1Verify the form revision date reads December 2016.
- 2Ensure the filer’s name, address, and TIN or GIIN match the information on the attached Forms 8966.
- 3Check only one box on line 1 for the type of paper report.
- 4Confirm the box selected on line 1 matches the markings on all attached Forms 8966.
- 5Enter the exact number of attached Forms 8966 in line 2.
- 6Sign the signature block, include title, date, and daytime phone number.
- 7Attach the paper Forms 8966 behind the cover sheet.
- 8Place the completed Form 8966‑C and attached Forms 8966 in an envelope addressed to the IRS FATCA address.
- 9Mail the package before the due date specified in the Form 8966 instructions.
How to file this form
- 1Gather the paper Forms 8966 to be submitted.
- 2Complete the cover sheet (Form 8966‑C) by entering filer information, selecting the report type, and counting attached forms.
- 3Sign and date the signature block on Form 8966‑C.
- 4Package the cover sheet with the attached Forms 8966 and address the envelope to the IRS FATCA address.
- 5Mail the envelope and retain the mailing receipt as proof of filing.
Known limitations
- 1Does not apply when filing Forms 8966 electronically.
- 2Not suitable for mixed types of reports; each type (original, amended, corrected, voided) requires its own Form 8966‑C.
- 3Do not staple the cover sheet to the attached Forms 8966.
Field map
Compact field-by-field guide
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.
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Fillable formOpen in Editor->Form 8966-C is the December 2016 revision; the source does not indicate a newer edition or describe changes.
What changed or needs a fresh check
- Edition date — confirm the revision reads December 2016 on the form
- Fee — Not stated in the official source
- Mailing address — confirm the address is Internal Revenue Service FATCA, Stop 6052 AUSC 3651 South IH 35 Austin, Texas 78741
- Signature — confirm the filer signs, includes title, date, and daytime phone number
Quick Facts
Downloads
After you file
- 1Keep a copy of the completed Form 8966‑C and attached Forms 8966 for records.
- 2Retain the mailing receipt for at least three years.
- 3Monitor for acknowledgment from the IRS, such as a processing notice.
- 4If an error is discovered, prepare a corrected Form 8966‑C and resend with corrected Forms 8966.
- 5Update internal filing logs to reflect the submission date.
Sources
- SRCForm p.1 — revision date reads December 2016.
- SRCForm p.1 — purpose: transmit paper Forms 8966 (FATCA Report) to the IRS.
- SRCForm p.1 — electronic filing requirement: unless you have a hardship waiver, you must file Forms 8966 electronically; do not use Form 8966‑C for electronic filing.
- SRCForm p.1 — mailing address: Internal Revenue Service FATCA, Stop 6052 AUSC 3651 South IH 35 Austin, Texas 78741.
- SRCForm p.1 — line 1 instruction: check only one box for Original, Amended, Corrected, or Voided.
- SRCForm p.1 — line 2 instruction: enter the number of paper Forms 8966 attached.
- SRCForm p.1 — signature block requires signature, title, date, daytime phone number.
- SRCForm p.1 — DO NOT STAPLE notice.
- SRCForm p.1 — estimated average time to complete is 7 minutes.
- SRCForm p.1 — each type of Form 8966 must be transmitted with a separate Form 8966‑C.
Common confusion points
Can I check more than one box on line 1?
The form cautions only one box may be checked.
→ Verify that only a single box is marked.
Do I need to include a GIIN if I have an EIN?
The instructions say enter GIIN if assigned; otherwise enter EIN.
→ Enter GIIN only if you have one; otherwise use EIN.
Should I staple the cover sheet to the Forms 8966?
The header says DO NOT STAPLE.
→ Leave the cover sheet unattached.
What if I have a hardship waiver for electronic filing?
Electronic filing requirement has an exception for hardship waivers.
→ Confirm you have an approved hardship waiver before using Form 8966‑C.
Do I need to send Form 8966‑C if I file electronically?
The form states not to use it for electronic submissions.
→ Do not include Form 8966‑C when filing electronically.
Is the mailing address the same for all FATCA submissions?
The address is provided on the form for this cover sheet.
→ Use the IRS FATCA address listed on the form.
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 8966-C — submit a corrected Form 8966‑C with corrected Form 8966.
Questions about IRS Form 8966C
What is IRS Form 8966C used for?
Form 8966‑C is the cover sheet you send when you mail paper FATCA Forms 8966 to the IRS. You write your name, tax ID, choose whether the reports are original, amended, corrected or voided, note how many you are sending, sign, and mail it to the address shown.
What information does IRS Form 8966C require?
It collects the filer’s name, TIN or GIIN, address, the type of paper Forms 8966 attached (line 1), and the count of attached Forms 8966 (line 2).
Where do I file IRS Form 8966C?
Send Form 8966-C (and the paper Forms 8966) to Internal Revenue Service FATCA, Stop 6052 AUSC 3651 South IH 35 Austin, Texas 78741.
How do I complete IRS Form 8966C?
Enter the filer’s name, TIN or GIIN, and address at the top of the form. Check the appropriate box on line 1 for the type of paper Forms 8966 and enter the number of attached forms on line 2. Sign the declaration, include your title, date, and phone number, and mail the completed cover sheet with the paper Forms 8966 to the IRS address provided.
What happens if IRS Form 8966C is filed incorrectly?
If the information on the cover sheet does not match the attached Forms 8966, the IRS may reject the filing.
Can I check more than one box on line 1?
The form cautions only one box may be checked. Verify that only a single box is marked.
Do I need to include a GIIN if I have an EIN?
The instructions say enter GIIN if assigned; otherwise enter EIN. Enter GIIN only if you have one; otherwise use EIN.
Should I staple the cover sheet to the Forms 8966?
The header says DO NOT STAPLE. Leave the cover sheet unattached.
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