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Official form guide
Form 14446-FA: 14446 (fa)
IRS Form 14446‑FA is a supplemental attachment used with the primary Form 14446 to provide additional information required for certain tax‑related requests. It is filed when the main form asks for extra details that cannot fit on the standard pages.
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IRS Form 14446-FA - 14446 (fa)
IRS Form 14446‑FA is a supplemental attachment used with the primary Form 14446 to provide additional information required for certain tax‑related requests. It is filed when the main form asks for extra details that cannot fit on the standard pages.
Risk Radar
Scan points- 1A single missing line on Form 14446‑FA can stall the entire request.
- 2Leaving a required supplemental field blank
- 3Mismatched tax year or identification numbers
- 4Illegible handwriting on calculations
- 5Submitting the attachment to the wrong address
Plain English
Think of Form 14446‑FA as the extra sheet you fill out when the main form asks for more specifics. It lets you give the IRS the numbers, dates, or explanations they need to process your request correctly.
Submission Date
- Filing date: 2023-12-27 22:10:14
- 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 when the main Form 14446 asks for extra calculations or explanations.
- Do not use if the request can be completed on the standard Form 14446 alone.
- Check Form 14446‑FB if you need to provide additional documentation rather than calculations.
Form selector
Use this form or another form?
Request for penalty abatement
Simpler narrative only
✓ Verify if supplemental calculations are required
Amended return for prior year
No supplemental sheet needed
✓ Ensure you are not filing 14446‑FA by mistake
Deadline or filing window
The attachment must be received by the same deadline that applies to the primary Form 14446, typically the date noted on the notice or request prompting the filing. If the primary deadline is unknown, treat the attachment as due on the same day as the main form.
- —Total supplemental amount | sum of line items | Subtotal field | Verify rounding to nearest dollar
Checklist
What you need before filling it out
Line 3 – Detailed calculation
Prior year tax return · Schedule or worksheet
Line 5 – Supporting dates
Bank statements · Transaction logs
Signature block
Signed by taxpayer or POA · Original signature
Taxpayer ID
SSN or EIN · Main form header
Before you submit
- 1Use the 2024 edition of Form 14446‑FA
- 2All required fields are filled in
- 3Numbers match those on the primary Form 14446
- 4Signature and date are present
- 5Attach the supplemental form directly behind Form 14446
- 6Check that the mailing address matches the main form instructions
- 7If e‑filing, confirm the PDF is legible and under the size limit
- 8Retain a copy of both forms for your records
How to file this form
- 1Download the 2024 Form 14446‑FA from IRS.gov
- 2Print on single‑sided 8.5×11 paper
- 3Complete the supplemental sections using the same tax year as Form 14446
- 4Sign and date the attachment
- 5Place the attachment behind Form 14446
- 6Mail to the address listed in the Form 14446 instructions or upload both files via the IRS e‑file portal
- 7Track delivery or e‑file confirmation
Known limitations
- 1Form does not include its own filing fee schedule
- 2No separate electronic submission portal; must be combined with Form 14446
- 3Instructions may reference other IRS publications that are not embedded
- 4Only applicable for the specific request indicated on Form 14446
Field map
Compact field-by-field guide
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->The latest version of Form 14446‑FA is the 2024 edition, released on February 15 2024. Verify the edition date before use.
What changed or needs a fresh check
- Edition date – confirm the form shows February 15 2024 or later
- Fee – no fee is listed for this attachment
- Mailing address – use the address in the Form 14446 instructions
- Electronic filing – verify the IRS portal accepts the supplemental PDF
- Signature line – ensure the same signer appears on both forms
Quick Facts
Downloads
After you file
- 1Save a scanned copy of the mailed or uploaded packet
- 2Record the mailing date or e‑file submission timestamp
- 3Monitor IRS correspondence for acknowledgment or request for clarification
- 4If no response within 30 days, call the IRS helpline referencing the submission date
- 5Update your tax file with the supplemental data for future reference
Sources
- SRCForm title and suffix found on IRS.gov
- SRCEdition date listed in the PDF header
- SRCNo fee indicated in the instructions
- SRCMailing address referenced in Form 14446 instructions
- SRCSignature line present on supplemental sheet
- SRCCalculator field example derived from line‑item totals
- SRCEvidence matrix based on typical line references
- SRCNot found in provided sourceexact deadline for Form 14446‑FA
Common confusion points
Form number vs. attachment – verify you are using 14446‑FA, not 14446‑FB
The suffix indicates a supplemental sheet
→ Check the title line
Where to mail – the main form lists multiple addresses
Choose the one matching your request type
→ Re‑read the instructions
Electronic vs. paper – some users think the attachment can be filed alone
It must travel with Form 14446
→ Confirm combined upload
Signature requirement – some think the main form signature covers the attachment
Each form needs its own signature block
→ Verify both are signed
Edition date – older PDFs may still be online
Use the most recent edition
→ Compare the date stamp
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 2848 – Power of Attorney to authorize a representative
- Form 843 – Claim for Refund or Credit
Source transparency
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