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Official form guide

Form 8453-SP: 8453 (sp)

IRS Form 8453 (sp) is used to mail required paper supporting documents for an electronic U.S. individual income tax return. Taxpayers must file it within 3 business days after the IRS acceptance acknowledgment.

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Form Overview

IRS Form 8453-SP - 8453 (sp)

IRS Form 8453 (sp) is used to mail required paper supporting documents for an electronic U.S. individual income tax return. Taxpayers must file it within 3 business days after the IRS acceptance acknowledgment.

The form collects the taxpayer’s first name, middle initial, last name, Social Security number, spouse’s name and SSN if filing jointly, and the mailing address. It also includes check boxes to indicate which supporting documents are attached.

Risk Radar

Scan points
  • 1Mailing the form with an unlisted document blocks electronic filing.
  • 2Failing to mark the check box for each required supporting document.
  • 3Including a form or document that is not listed next to the check boxes on Form 8453‑SP.
  • 4Omitting the spouse’s Social Security number on a joint return.
  • 5Leaving the mailing address incomplete, such as missing street number or ZIP code.

Plain English

When you file your U.S. personal income tax return online, the IRS may still need paper copies of certain forms. Form 8453‑SP lets you send those copies by mail. You only send the documents listed on the form, and you must do it quickly after the IRS says your return was accepted.

Submission Date

  • Filing date: 2025-10-16 22:10:18
  • 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

Hover a term to preview the meaning.

What this form is for

  • Use this form when you need to mail required paper supporting documents identified by the checkboxes on the first page of Form 8453 (sp).
  • Do not use it when you need to send a copy of Form 1040, 1040‑SR, 1040‑NR, or 1040‑SS, or any document not listed beside the checkboxes.
  • Check Form 2848 instead when a power of attorney or representative declaration is required.

Form selector

Use this form or another form?

Need to attach a power of attorney for a representative

Provides legal authority for the agent to sign the return

✓ Confirm the power of attorney is signed and attached

Form 2848

Claiming a noncash charitable contribution

Documents the value of donated property for deduction

✓ Verify appraisal and signatures are included

Form 8283

Submitting a request to change accounting method

Required to request an accounting method change

✓ Ensure the request is complete and signed

Form 3115

Deadline or filing window

The filing deadline is triggered when the IRS sends an acknowledgment that your electronic return was accepted. You must mail Form 8453‑SP within 3 business days of that acknowledgment. No extension is provided in the instructions.

Checklist

What you need before filling it out

1

Taxpayer SSN

Social Security Number · Taxpayer's SSN card or IRS records

⚠ Leaving SSN blank or transposed digits✕ High
2

Mailing address line

Street address, number, and apartment (if applicable) · Taxpayer's address records

⚠ Omitting apartment number when required✕ Medium
3

Attachment checkbox for Form 1098‑C

Completed Form 1098‑C or equivalent donation document · Donor's records

⚠ Forgetting to check the box or attach the form✕ Medium
4

Foreign address fields

Country, province/state, foreign postal code · Taxpayer's foreign address info

⚠ Leaving fields blank when foreign address applies✕ Low
5

Signature line

Taxpayer's signature · Handwritten signature

⚠ Signing when instructed not to (if using Form 8949)✕ High

Before you submit

  1. 1Verify the taxpayer SSN is entered correctly.
  2. 2Confirm the spouse SSN if filing jointly.
  3. 3Ensure the mailing address includes street, city, state, and ZIP.
  4. 4Mark each checkbox for the attached supporting documents.
  5. 5Do not attach any form or document not listed beside the checkboxes.
  6. 6Ensure no copy of Form 1040, 1040‑SR, 1040‑NR, or 1040‑SS is included.
  7. 7Sign the form unless instructed not to (e.g., when Form 8949 is not filed electronically).
  8. 8Include foreign address details if the taxpayer resides abroad.
  9. 9Use machine‑readable or block letters throughout.
  10. 10Mail the completed packet within 3 business days of the IRS acceptance acknowledgment.

How to file this form

  1. 1Receive the IRS acceptance acknowledgment for the electronic return.
  2. 2Gather all required supporting documents identified by the checkboxes on Form 8453 (sp).
  3. 3Complete the taxpayer and spouse identification fields on Form 8453 (sp).
  4. 4Mark the appropriate checkboxes for each attached document.
  5. 5Attach the required supporting documents to Form 8453 (sp).
  6. 6Mail Form 8453 (sp) and its attachments to the IRS address specified in the instructions.
  7. 7Retain a copy of the mailed packet as proof of filing.

Known limitations

  1. 1Does not apply to W‑2, W‑2G, or 1099‑R forms.
  2. 2Only attach forms or documents shown in the boxes on the first page.
  3. 3Cannot e‑file if required mailing documents are not listed on Form 8453.
  4. 4Payments must not be attached; they are sent separately with Form 1040‑V.
  5. 5Agent‑signed returns require a power of attorney (Form 2848) attached.

Field map

Compact field-by-field guide

6 fields

General Info

2 items

Taxpayer Name and TIN

Full legal name and taxpayer identification number (SSN or EIN).

Requiredtext
Address

Current mailing address.

Requiredtext

Details

2 items

Required Information

Complete all applicable sections of this form according to the official IRS instructions.

Requiredtext
Amount (if applicable)

Enter the relevant dollar amount if this form involves tax calculation.

amount

Certification

1 items

Certification Statement

Read and acknowledge any certifications required by this form.

Requiredcheckbox

Signatures

1 items

Signature

Sign and date. Unsigned forms cannot be processed.

Requiredsignature
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Current form status
IRS

The form is the 2025 edition (marked 20 25) and was created on 8/20/25. The source directs users to visit www.irs.gov/Form8453SP for the most recent information.

What changed or needs a fresh check

  • Edition date — confirm the form shows 20 25 and Created 8/20/25 as indicated on the first page.
  • Fee — not stated in the official source.
  • Mailing address — not stated in the official source.
  • Signature — not stated in the official source.
  • Submission deadline — confirm the form is mailed within 3 business days after receiving the IRS acceptance acknowledgment.

Quick Facts

Taxpayers who are electronic return originators (EROs) and need to submit required paper documentation must file IRS Form 8453 (sp).
The form collects the taxpayer’s first name, middle initial, last name, Social Security number, spouse’s name and SSN if filing jointly, and the mailing address. It also includes check boxes to indicate which supporting documents are attached.
tiene que enviar el Formulario 8453 al IRS dentro de 3 días laborables después de haber recibido el acuse de recibo del IRS confirmando que la declaración de impuestos presentada electrónicamente ha sido aceptada.
Not stated in the official source
No adjunte ningún formulario ni documento que no aparezca en el Formulario 8453 a la derecha de los recuadros. Si se le requiere enviar por correo alguna documentación no indicada en el Formulario 8453, no puede presentar la declaración de impuestos electrónicamente.
Enter the taxpayer’s first name, middle initial, last name, and Social Security number, then the spouse’s information if filing jointly. Provide the full mailing address, including street, apartment, city, state, and ZIP code. Mark the appropriate check boxes for each required supporting document listed on the form. Sign the form and mail it within three business days of receiving the IRS acceptance acknowledgment.

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After you file

  1. 1Mail Form 8453 together with the required supporting documents to the IRS address shown on the 1040‑V.
  2. 2Include Form 1040‑V and send payment by the April 15, 2026 deadline.
  3. 3Keep a copy of Form 8453 and all attached documents for your records. (Not stated in the official source — verify on the agency site)
  4. 4Verify that the IRS acknowledges receipt of the mailed package. (Not stated in the official source — verify on the agency site)

Sources

  • SRCForm p.2 — purpose: Use Form 8453 to send required paper supporting documents identified next to the boxes on the first page.
  • SRCForm p.2 — limitation: Do not send Form(s) W‑2, W‑2G, or 1099‑R.
  • SRCForm p.2 — limitation: Do not attach any form or document not shown in the right‑hand boxes of Form 8453.
  • SRCForm p.2 — limitation: If required mailing documents are not indicated on Form 8453, you cannot file electronically.
  • SRCForm p.2 — payment instruction: Do not attach payment; send it by mail with Form 1040‑V by April 15, 2026.
  • SRCForm p.2 — SSN requirement: Ensure the taxpayer’s Social Security number is entered in the space provided; for joint returns, enter both SSNs in order.
  • SRCForm p.2 — agent signing: An electronically transmitted return signed by an agent must have a power of attorney (Form 2848) attached to Form 8453.
  • SRCForm p.2 — custodial parent: When a divorce decree or separation agreement entered after 1984 but before 2009 is in effect, the non‑custodial parent may attach certain pages instead of Form 8332.
  • SRCForm p.2 — postal box note: Enter a PO box only if the postal service does not deliver to the residential address.
  • SRCForm p.1 — website: Visit www.irs.gov/Form8453SP for the most recent information.

Common confusion points

Do I need to include my W‑2 with Form 8453?

The form’s instructions say not to send W‑2, W‑2G, or 1099‑R.

→ Confirm that no W‑2 box appears on the first page.

Can I attach additional documents that aren’t listed on the form?

The instructions forbid attaching any form or document not shown beside the boxes.

→ Ensure every attachment matches a listed box.

What if I have a payment to send?

Payments must not be attached to Form 8453; they go with Form 1040‑V.

→ Send the payment separately with Form 1040‑V by the deadline.

Do I need to write my Social Security number twice for a joint return?

The form requires SSNs for both spouses in the order shown.

→ Verify both SSNs are entered in the correct order.

My tax preparer signed electronically; do I need a power of attorney?

An electronically signed return by an agent must include Form 2848 attached to Form 8453.

→ Attach Form 2848 when an agent signs.

I have a divorce decree after 1984 but before 2009; should I send it?

The form allows custodial‑parent‑non‑custodial‑parent to attach certain pages of the decree instead of Form 8332.

→ Include the required decree pages if applicable.

Workflow map

Related forms and next steps

8 signals

Before

Form 2848 – attach power of attorney when an agent signs the electronic return.

Current

8453-SP

After

Form 1040 – electronic individual income tax return that triggers the need for Form 8453.

Often used with

Form 1040‑V – send payment voucher separately; do not attach payment to Form 8453.Form 1098‑C – donation of motor vehicle documentation may be required as a supporting document.Form 3115 – application for change in accounting method may be a required attachment.Form 8283 – non‑cash charitable contributions may need to be attached.Form 3468 – historic preservation certification may be required as a supporting document.

⚠ If something goes wrong

  • Form 8332 – custodial parent may attach decree pages instead of this form for child exemption claims.

Questions about IRS Form 8453-SP

What is IRS Form 8453-SP used for?

When you file your U.S. personal income tax return online, the IRS may still need paper copies of certain forms. Form 8453‑SP lets you send those copies by mail. You only send the documents listed on the form, and you must do it quickly after the IRS says your return was accepted.

Who must file IRS Form 8453-SP?

Taxpayers who are electronic return originators (EROs) and need to submit required paper documentation must file IRS Form 8453 (sp).

What information does IRS Form 8453-SP require?

The form collects the taxpayer’s first name, middle initial, last name, Social Security number, spouse’s name and SSN if filing jointly, and the mailing address. It also includes check boxes to indicate which supporting documents are attached.

When is IRS Form 8453-SP due?

tiene que enviar el Formulario 8453 al IRS dentro de 3 días laborables después de haber recibido el acuse de recibo del IRS confirmando que la declaración de impuestos presentada electrónicamente ha sido aceptada.

How do I complete IRS Form 8453-SP?

Enter the taxpayer’s first name, middle initial, last name, and Social Security number, then the spouse’s information if filing jointly. Provide the full mailing address, including street, apartment, city, state, and ZIP code. Mark the appropriate check boxes for each required supporting document listed on the form. Sign the form and mail it within three business days of receiving the IRS acceptance acknowledgment.

What happens if IRS Form 8453-SP is filed incorrectly?

No adjunte ningún formulario ni documento que no aparezca en el Formulario 8453 a la derecha de los recuadros. Si se le requiere enviar por correo alguna documentación no indicada en el Formulario 8453, no puede presentar la declaración de impuestos electrónicamente.

Do I need to include my W‑2 with Form 8453?

The form’s instructions say not to send W‑2, W‑2G, or 1099‑R. Confirm that no W‑2 box appears on the first page.

Can I attach additional documents that aren’t listed on the form?

The instructions forbid attaching any form or document not shown beside the boxes. Ensure every attachment matches a listed box.

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Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
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