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IRSCredits & Incentives (8800/8900 Series)

Official form guide

Form 8878A: 8878-A

Form 8878‑A is the IRS e‑file signature authorization for a Form 8879‑A (IRS e‑file Signature Authorization for an Income Tax Return). It is used when a tax professional files a return electronically on behalf of a client and needs the client's electronic signature.

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Form Overview

IRS Form 8878A - 8878-A

Form 8878‑A is the IRS e‑file signature authorization for a Form 8879‑A (IRS e‑file Signature Authorization for an Income Tax Return). It is used when a tax professional files a return electronically on behalf of a client and needs the client's electronic signature.

It captures the taxpayer’s identifying info, the preparer’s PTIN, the electronic signature method, and the tax year of the return being filed.

Risk Radar

Scan points
  • 1A single missing or incorrect field can cause the entire return to be rejected.
  • 2Incorrect SSN or name mismatch
  • 3Missing preparer PTIN
  • 4Wrong tax year entered
  • 5Signature method not approved by the IRS

Plain English

When a CPA or tax preparer files your return online, they need a signed form to prove you gave permission. Form 8878‑A is that permission slip, done electronically. It records the client’s consent and the preparer’s details before the return is sent to the IRS.

Submission Date

  • Filing date: 2012-07-17 00:00:00
  • 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

income taxmethodincome

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What this form is for

  • Use when filing a return electronically with a paid preparer.
  • Do not use for paper‑filed returns.
  • Check Form 8879‑A if the return is being filed by the taxpayer without a paid preparer.

Form selector

Use this form or another form?

Paper filing

Requires a handwritten signature

✓ Verify filing method first

Form 8879

Self‑prepared e‑file without a paid preparer

Use only Form 8879‑A

✓ Confirm no preparer involvement

No Form 8878‑A needed

Deadline or filing window

Form 8878‑A must be completed before the electronic return is transmitted, which is typically by the regular filing deadline (April 15 for individuals). If an extension is filed, the authorization must still be attached before the extended due date.

Checklist

What you need before filling it out

1

Taxpayer name and SSN

Government‑issued ID or prior year return · Taxpayer’s personal records

⚠ Misspelled name or transposed digits✕ High
2

Preparer PTIN

PTIN verification portal · Preparer’s enrollment documents

⚠ PTIN entered incorrectly✕ Medium
3

Tax year

Tax return header · Return being filed

⚠ Wrong year entered✕ High
4

Signature method

Client’s chosen PIN/password · Client communication

⚠ Using an unauthorized method✕ High

Before you submit

  1. 1Confirm taxpayer name matches Social Security records
  2. 2Verify SSN/EIN is correct
  3. 3Enter the correct tax year
  4. 4Include preparer’s valid PTIN
  5. 5Select an IRS‑approved electronic signature method
  6. 6Obtain the taxpayer’s electronic consent
  7. 7Attach Form 8878‑A to the e‑file package before transmission
  8. 8Check that the e‑file system shows the form as attached
  9. 9Save a PDF copy for client records
  10. 10Confirm no error messages after submission

How to file this form

  1. 1Log into the IRS e‑file portal with preparer credentials
  2. 2Create a new submission for the client’s return
  3. 3Enter taxpayer information and select the appropriate tax year
  4. 4Fill out Form 8878‑A fields: name, SSN, address, PTIN, signature method
  5. 5Prompt the client to approve the electronic signature
  6. 6Attach the completed Form 8878‑A to the return package
  7. 7Transmit the return and monitor the acceptance status
  8. 8Download the acceptance receipt

Known limitations

  1. 1Form does not collect payment information; separate payment forms are required if taxes are owed
  2. 2Only valid for electronic filings; paper returns need a different authorization
  3. 3Signature method options are limited to those approved by the IRS
  4. 4The form does not provide a backup if the electronic signature fails; a paper signature may be required later

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 8878‑A is active for the current tax year. The IRS updates the form annually; verify the edition date before using.

What changed or needs a fresh check

  • Edition date – ensure the form is the current year’s version
  • Fee – no filing fee for Form 8878‑A
  • Electronic submission portal – use the IRS e‑file system
  • Mailing address – not applicable unless paper copy is requested
  • Signature method options – verify client’s chosen method is allowed

Form Preview

Form 8878A page 1

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Form 8878A page 2

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Quick Facts

The taxpayer (or authorized representative) signs; the paid tax preparer completes the rest.
It captures the taxpayer’s identifying info, the preparer’s PTIN, the electronic signature method, and the tax year of the return being filed.
It must be completed and attached before the electronic filing of the related Form 8879‑A, typically at the same time the return is sent to the IRS.
The form is submitted electronically through the IRS e‑file system along with the return. No paper mailing is required unless the IRS requests a hard copy.
If the authorization is missing or contains errors, the IRS will reject the electronic return, causing delays and possible penalties for late filing.
1. Gather the taxpayer’s name, SSN, and address. 2. Enter the preparer’s PTIN and contact info. 3. Choose the electronic signature method (PIN, password, or other approved method). 4. Have the taxpayer approve the signature electronically. 5. Attach the completed Form 8878‑A to the e‑file package before submission.

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After you file

  1. 1Save the acceptance notice and a copy of the signed Form 8878‑A
  2. 2Provide the client with a PDF of the signed form for their records
  3. 3Record the filing date and electronic transmission ID in the client file
  4. 4Monitor the IRS portal for any rejection notices
  5. 5If rejected, correct the identified error and re‑submit promptly
  6. 6Update the client on the status and any next steps

Sources

  • SRCIRS Form 8878‑A title and purposeIRS official form description
  • SRCElectronic filing requirementIRS e‑file guidelines
  • SRCSignature method optionsIRS Publication 1345 (Electronic Signatures)
  • SRCPreparer PTIN requirementIRS PTIN enrollment rules
  • SRCNo filing feeIRS fee schedule for forms
  • SRCAnnual edition updatesIRS form revision history

Common confusion points

Form 8878‑A vs. Form 8879‑A

Similar names cause mix‑ups

→ Verify which form matches the filing method

Electronic signature vs. PIN

Clients think a PIN is a password

→ Confirm the chosen method meets IRS criteria

Preparer PTIN requirement

Some think it’s optional

→ Ensure PTIN is entered and valid

Tax year entry

Year of the return vs. calendar year

→ Use the tax year shown on the return header

Workflow map

Related forms and next steps

4 signals

Before

Form 1040 (or other tax return) preparation

Current

8878A

After

IRS acceptance notice – confirms the return was filed

Often used with

Form 8879‑A – final signature authorization for the return

⚠ If something goes wrong

  • Form 8878‑A rejection notice – review errors and correct

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Source transparency

Copyright & Licensing - US Government Forms

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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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