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IRSCredits & Incentives (8800/8900 Series)

Official form guide

Form 8879-TA: 8879-TA

Form 8879‑TA is the IRS e‑file Signature Authorization for Tax Professionals. It authorizes the electronic filing of a client’s tax return and records the taxpayer’s signature electronically.

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Form Overview

IRS Form 8879-TA - 8879-TA

Form 8879‑TA is the IRS e‑file Signature Authorization for Tax Professionals. It authorizes the electronic filing of a client’s tax return and records the taxpayer’s signature electronically.

It captures the taxpayer’s name, SSN/ITIN, the tax year, and the preparer’s PTIN, plus the electronic signature acknowledgment.

Risk Radar

Scan points
  • 1A single missing signature can cause the entire e‑file to be rejected.
  • 2Missing client signature
  • 3Incorrect SSN/ITIN on the form
  • 4Wrong tax year entered
  • 5Preparer’s PTIN omitted or mistyped

Plain English

Think of this as the digital version of signing a paper return. Your tax preparer uses it to prove you approved the return before it’s sent to the IRS online.

Submission Date

  • Filing date: 2026-01-08 16:10:48
  • 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

paper

Hover a term to preview the meaning.

What this form is for

  • Use when a paid preparer files a return electronically for a client.
  • Do not use for paper‑filed returns.
  • If the client is filing without a paid preparer, use Form 8879 (not the TA version).

Form selector

Use this form or another form?

Client files themselves

Standard signature authorization for self‑filers

✓ Verify client’s PIN

Form 8879

Paper filing

No electronic signature needed

✓ Keep original signatures

Form 1040‑X (amended)

Deadline or filing window

Form 8879‑TA must be completed before the electronic transmission of the return. There is no separate filing deadline; the deadline aligns with the return’s due date (generally April 15, or the extended filing date).

  • —Taxpayer PIN length | N/A | N/A | Verify PIN is 5‑9 digits

Checklist

What you need before filling it out

1

Taxpayer name

Government ID or tax return · Return header

⚠ Misspelled name✕ High
2

SSN/ITIN

Social Security card or ITIN letter · Return header

⚠ Transposed digits✕ High
3

Tax year

Prior year return · Form header

⚠ Wrong year entered✕ Medium
4

Preparer PTIN

PTIN verification portal · Bottom of form

⚠ Missing PTIN✕ High
5

Client signature/PIN

Client‑provided PIN · Signature block

⚠ Incorrect PIN entry✕ Medium

Before you submit

  1. 1Confirm the form edition is the latest version.
  2. 2Verify taxpayer name and SSN/ITIN match the return.
  3. 3Check tax year matches the return being filed.
  4. 4Ensure client signature or PIN is present and legible.
  5. 5Confirm preparer’s PTIN is entered correctly.
  6. 6Validate that the client has reviewed and approved the return.
  7. 7Store the signed Form 8879‑TA with the client’s file.
  8. 8Submit the return through an IRS‑approved e‑file system.
  9. 9Confirm the e‑file system attached the Form 8879‑TA.
  10. 10Record the transmission date and confirmation number.

How to file this form

  1. 1Open the PDF of Form 8879‑TA and print if the client prefers a paper signature.
  2. 2Have the client sign and date the top section.
  3. 3Preparer signs the bottom and adds PTIN.
  4. 4Enter the client’s electronic PIN or signature code in the designated field.
  5. 5Upload the signed form into the e‑file software; the system will embed it with the return.
  6. 6Transmit the return and capture the IRS acceptance receipt.
  7. 7File the signed Form 8879‑TA in the client’s permanent records.

Known limitations

  1. 1Form does not validate the PIN; entry errors are possible.
  2. 2Only applicable for returns filed electronically by a paid preparer.
  3. 3The form itself is not submitted to the IRS; it is attached to the e‑file.
  4. 4No fee schedule is provided on the form.
  5. 5If the client changes their PIN after signing, a new Form 8879‑TA is required.

Field map

Compact field-by-field guide

6 fields

Entity Info

1 items

Taxpayer Name and TIN

Name and taxpayer ID of the entity claiming the credit.

Requiredtext

Credit Info

1 items

Credit Type

Type of credit or incentive being claimed.

Requiredselect

Calculation

2 items

Qualifying Amount

The base amount used to calculate the credit.

Requiredamount
Credit Amount

Calculated credit amount after applying formulas and limitations.

Requiredamount

Certification

1 items

Supporting Information

Detailed breakdown supporting the credit calculation.

text

Signatures

1 items

Signature

Sign and date the form.

Requiredsignature
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Current form status
IRS

Form 8879‑TA is current for tax years 2022‑2025. Check the top of the PDF for the edition date before use.

What changed or needs a fresh check

  • Edition date – verify the form shows a 2024 or later edition
  • Fee – no filing fee for the signature authorization itself
  • Mailing address – not applicable; form is retained, not mailed
  • Electronic submission – ensure the e‑file software supports Form 8879‑TA
  • Signature method – confirm client uses PIN or electronic signature as allowed

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Quick Facts

The taxpayer signs; the paid‑preparer signs the bottom as a preparer.
It captures the taxpayer’s name, SSN/ITIN, the tax year, and the preparer’s PTIN, plus the electronic signature acknowledgment.
Used at the moment the return is ready to be e‑filed, typically after the preparer has completed the return and the client has reviewed it.
The completed form is kept with the client’s records; the preparer submits the electronic signature through the IRS e‑file system, not by mail.
If the signature block is missing or inaccurate, the IRS will reject the e‑file, delaying processing and possibly incurring penalties.
1. Review the completed return with the client. 2. Have the client sign the top of Form 8879‑TA and note the date. 3. The preparer signs the bottom and adds their PTIN. 4. Enter the taxpayer’s PIN or e‑signature code as instructed. 5. Transmit the return through the IRS e‑file portal, which automatically attaches the signed Form 8879‑TA.

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After you file

  1. 1Save the electronic copy of the signed Form 8879‑TA with the client’s return file.
  2. 2Record the IRS acceptance number and filing date.
  3. 3Notify the client that the return has been filed and provide a copy of the acknowledgment.
  4. 4Monitor for any IRS notices that may reference signature issues.
  5. 5Keep the form for at least three years as part of the client’s tax records.
  6. 6If the return is rejected, correct the signature issue and re‑submit.

Sources

  • SRCIRS Form 8879‑TA PDF header shows title and purpose
  • SRCIRS instructions state it is for electronic signature authorization by paid preparers
  • SRCForm fields list taxpayer name, SSN, tax year, client PIN, preparer PTIN, signatures
  • SRCIRS e‑file guidelines require the form be retained, not mailed
  • SRCNo fee information appears on the form
  • SRCEdition date appears on the top right of the PDF
  • SRCNot found in provided source: exact deadline beyond return due date

Common confusion points

Form 8879‑TA vs. Form 8879

TA version is for paid preparers only

→ Verify who prepared the return

Paper vs. electronic signature

Some clients think a handwritten signature suffices for e‑file

→ Ensure PIN or e‑signature is used

PTIN requirement

Missing PTIN leads to rejection

→ Double‑check preparer’s PTIN

Edition date

Older PDFs may lack required fields

→ Use the latest edition from IRS.gov

Client PIN length

Varies by software

→ Confirm required length before entry

Workflow map

Related forms and next steps

4 signals

Before

Form 1040 (or other return) completed

Current

8879-TA

After

IRS acknowledgment receipt

Often used with

IRS e‑file system (e.g., Modernized e‑File)

⚠ If something goes wrong

  • Form 8879‑TA correction or new signature form

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Source transparency

Copyright & Licensing - US Government Forms

Independent guide

BrieflyGo links to and explains official public form sources. We are not a government agency, and this page is for general form guidance, not legal advice.

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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