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Official form guide
Form 56: 56
IRS Form 56, Notice of Appointment of Fiduciary, notifies the IRS that a fiduciary (executor, administrator, guardian, etc.) is acting on behalf of a taxpayer. File it when you assume responsibility for another’s tax matters.
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IRS Form 56 - 56
IRS Form 56, Notice of Appointment of Fiduciary, notifies the IRS that a fiduciary (executor, administrator, guardian, etc.) is acting on behalf of a taxpayer. File it when you assume responsibility for another’s tax matters.
Risk Radar
Scan points- 1A single typo in the taxpayer’s SSN can prevent the IRS from routing notices to you.
- 2Incorrect taxpayer SSN/EIN
- 3Wrong fiduciary address or phone number
- 4Missing signature or date
- 5Sending to the wrong IRS service center
Plain English
When you become an executor, administrator, or guardian, you must tell the IRS you’re handling someone’s tax affairs. Form 56 is the official notice that lets the IRS send any tax notices to you instead of the taxpayer.
Submission Date
- Filing date: 2025-01-07 22:12:22
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use when you are appointed as a fiduciary for an individual or estate.
- Do not use for a power of attorney that does not involve fiduciary duties.
- Check Form 2848 if you only need authority to represent the taxpayer without full fiduciary responsibilities.
Form selector
Use this form or another form?
Estate administration
Notifies IRS of fiduciary for estate taxes
✓ Verify estate is not already represented by a court‑appointed fiduciary
Power of attorney without fiduciary duties
Grants limited tax representation
✓ Confirm the scope does not require fiduciary appointment
Bankruptcy case
Different filing rules for bankrupt estates
✓ Confirm bankruptcy court has not already appointed a trustee
Deadline or filing window
There is no statutory deadline, but the IRS expects notification within a reasonable time after appointment—typically within 30 days. Delaying beyond that can cause notice delivery problems and possible penalties for missed tax filings.
Checklist
What you need before filling it out
Fiduciary name and address
Government‑issued ID, utility bill · Fiduciary’s personal records
Taxpayer SSN/EIN
Social security card or EIN confirmation letter · Taxpayer’s tax return
Relationship to taxpayer
Court order, letters of appointment · Probate documents
Signature
Hand‑signed on Form 56 · Fiduciary’s original signature
Before you submit
- 1Confirm form edition is 2024 or later
- 2Verify taxpayer SSN/EIN matches official records
- 3Check fiduciary address and phone number for accuracy
- 4Ensure relationship description matches court or legal documents
- 5Sign and date the form in the appropriate box
- 6Attach any required supporting documents (court order, letters of appointment)
- 7Use the correct IRS mailing address for the taxpayer’s state
- 8Make a photocopy of the complete packet for your records
- 9If faxing, confirm receipt confirmation number
- 10Mark the envelope with “Form 56 – Notice of Appointment of Fiduciary”
How to file this form
- 1Download the latest Form 56 PDF from IRS.gov
- 2Print on white 8.5" × 11" paper; do not use pre‑filled PDFs
- 3Complete Part I (fiduciary) and Part II (taxpayer) by hand
- 4Attach a copy of the court order or appointment letter
- 5Sign and date the form in ink
- 6Place the form and attachments in a single envelope
- 7Mail to the service center address listed in the instructions
- 8Retain tracking number or certified‑mail receipt
Known limitations
- 1Form 56 cannot be filed electronically; paper submission is required
- 2The IRS does not provide a confirmation number for mailed forms
- 3No fee is charged, but processing time varies by service center
- 4The form does not automatically update for changes; a new Form 56 must be filed for any fiduciary change
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->Form 56 has no electronic filing option; it must be submitted on paper. The latest revision is dated 2024, but always verify the edition on the IRS website before use.
What changed or needs a fresh check
- Edition date – verify the form is the 2024 revision or later
- Fee – none required for Form 56
- Mailing address – use the address for the taxpayer’s location as listed in the instructions
- Fax number – if applicable, confirm the current IRS fax line for the service center
- Signature line – ensure the fiduciary signs and dates the form
Quick Facts
Downloads
After you file
- 1Keep the mailed copy and any delivery receipt in a fiduciary file
- 2Monitor the taxpayer’s mail for IRS notices addressed to you
- 3Update the IRS if the fiduciary’s contact information changes
- 4File a new Form 56 if the fiduciary relationship ends
- 5Document any tax filings you make on behalf of the taxpayer
- 6Check the IRS account transcript after 30 days to confirm the appointment is recorded
- 7Notify the probate court that the IRS has been notified
Sources
- SRCIRS Form 56 official instructionsconfirms purpose and filing method
- SRCIRS websiteedition date 2024 noted in PDF header
- SRCIRS Publication 559references fiduciary responsibilities
- SRCIRS Mailing Addressestable for service centers by state
- SRCForm 56 PDFshows no fee line
- SRCIRS FAQsstate that Form 56 is paper‑only
- SRCIRS guidance on fiduciary appointmentsclarifies need for court order attachment
Common confusion points
Form 56 vs. Form 2848
Many think any representation needs Form 2848
→ Verify whether full fiduciary authority is required
Multiple estates
Users sometimes file one Form 56 for several estates
→ File a separate Form 56 for each estate
Electronic filing expectation
Some assume e‑file is possible
→ Confirm paper‑only submission
Signature requirement
Some use a printed signature
→ Use a handwritten ink signature
Address mismatch
IRS address differs by state
→ Use the address listed in the current instructions
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- File Form 56‑C (Correction) to amend errors
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