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Official form guide
Form 12508: 12508
IRS Form 12508 is used to request a Taxpayer Identification Number (TIN) for a deceased spouse when the surviving spouse needs to file a joint return or claim a refund. File it after the spouse’s death and before the joint return is due.
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IRS Form 12508 - 12508
IRS Form 12508 is used to request a Taxpayer Identification Number (TIN) for a deceased spouse when the surviving spouse needs to file a joint return or claim a refund. File it after the spouse’s death and before the joint return is due.
Risk Radar
Scan points- 1A missing or incorrect death‑certificate attachment can stall the TIN issuance for weeks.
- 2Using the wrong mailing address
- 3Leaving the death‑certificate attachment off
- 4Misspelling the deceased’s name or SSN
- 5Submitting an unsigned form
Plain English
When your partner passes away, the IRS still needs a social security number or ITIN for them to process joint tax filings. This short form tells the IRS who the deceased was and asks for a new TIN so the living spouse can complete the return.
Submission Date
- Filing date: 2021-07-01 22:10:28
- 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 need a TIN for a deceased spouse.
- Do not use for a living spouse or for other deceased individuals.
- If you need a refund for a deceased spouse only, consider Form 1310 instead.
Form selector
Use this form or another form?
Spouse died before filing joint return
Used to claim a refund for a deceased spouse
✓ Verify if a refund claim is needed
Deceased individual is not a spouse
Different filing status
✓ Check relationship before proceeding
Need an ITIN for a non‑resident deceased spouse
Applies when no SSN exists
✓ Confirm non‑resident status
Deadline or filing window
The form should be mailed before the filing deadline for the joint return (generally April 15). If the deadline is missed, the return can be filed with an extension, but the TIN request may still delay processing.
Checklist
What you need before filling it out
Deceased spouse name
Death certificate · Vital records office
Date of death
Death certificate · Vital records office
Surviving spouse TIN
Social Security card or ITIN letter · IRS records
Signature
Signed Form 12508 · Handwritten signature
Before you submit
- 1Confirm the form edition matches the current tax year
- 2Verify the deceased{{}{ }spouse’s name matches the death certificate exactly""Ø
- 3Attach a certified copy of the death certificate
- 4Enter the surviving spouse’s current mailing address and phone number
- 5Sign the form in the designated area
- 6Include the surviving spouse’s own TIN on the form
- 7Use the correct IRS mailing address for Form 12508
- 8Make a photocopy of the entire packet for your records
How to file this form
- 1Download the latest PDF from IRS.gov
- 2Print on single‑sided 8.5" × 11" paper
- 3Complete all required fields in black ink
- 4Attach the certified death‑certificate copy
- 5Sign and date the form
- 6Place everything in an envelope with the correct IRS address
- 7Mail via certified mail or another trackable service
Known limitations
- 1No electronic filing option; only paper submission accepted
- 2Form does not issue the TIN itself; the IRS processes the request after receipt
- 3Instructions may reference older address formats; always double‑check the current address
- 4The form does not handle refund claims; use Form 1310 for that purpose
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.
Almost done reviewing the fields?
Fillable formOpen in Editor->Form 12508 is active for the 2024 tax year. The IRS updates the edition annually; verify the edition date on the PDF before use.
What changed or needs a fresh check
- Edition date – verify the PDF shows the current year
- Fee – no filing fee for Form 12508
- Mailing address – use the address in the latest instructions
- Signature requirement – must be signed by the surviving spouse or authorized representative
- Contact phone – ensure a current number is listed for follow‑up
Quick Facts
Downloads
After you file
- 1Track the mailing receipt and note the delivery date
- 2Monitor IRS correspondence for the issued TIN
- 3Keep the death‑certificate copy and the filed Form 12508 together with the joint return
- 4If the TIN is not received within 6 weeks, call the IRS toll‑free number
- 5Update the surviving spouse’s tax records with the new TIN once received
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