Is an electronic authorization legally binding?

Yes. Under the ESIGN Act (15 U.S.C. §7001) and state UETA frameworks, an electronic signature that demonstrates intent, consent, attribution, and retention is legally valid for most transactions.

What if the taxpayer’s TIN is incorrect?

An incorrect TIN can trigger backup withholding (24%) and penalties under IRC §6721 for incorrect information returns; correct the TIN promptly and document communications.

How can a signer revoke authorization?

Revocation should be documented in writing and retained. Revocation may prevent future e-filings under that authorization but may not undo previously filed returns.

Does the IRS require a specific form or notary?

The IRS accepts electronic signatures when properly documented. Notarization is generally not required for an e-file signature authorization unless a payer or state law specifically demands it.

How long must I keep signed authorizations?

Retain tax-related authorizations at least three years from the filing date per IRC §6501(a); industry rules like HIPAA may require six years (45 CFR §164.530(j)).

What should I do if a signer disputes the signature?

Produce the audit trail (timestamp, IP, authentication token), confirmation emails, and the signed PDF. Strong authentication and preservation of the certificate of completion reduce dispute risk.

Electronic Signature
Templates
Tax
Tax e-file Signature Authorization

Tax e-file Signature Authorization

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

Tax e-file Signature Authorization

Taxpayer Information

Taxpayer Name Business Name (if applicable) Mailing Address

Daytime Telephone

Email Address

Tax Year

Type of Return

Entity Type (Check all that apply)

Individual / Sole Proprietor C Corp S Corp Partnership Trust / Estate LLC Other

Taxpayer Identification Number (TIN)

Provide one: Social Security Number (SSN) or Employer Identification Number (EIN).

Social Security Number (if individual) Employer Identification Number (if applicable)

Electronic Return Originator (ERO) / Preparer Information

ERO / Preparer Name

ERO EFIN / EIN

ERO Telephone

ERO Address

Authorization and Certification

By signing this Tax e-file Signature Authorization, the taxpayer authorizes the Electronic Return Originator named above to transmit the electronic federal income tax return described herein and to apply an electronic signature or signature method as indicated below. The taxpayer certifies under penalties of perjury that the statements in this authorization are true, correct, and complete.

1. I authorize the above-named ERO to transmit the tax return for the tax year entered on this form to the appropriate tax authority and to communicate with me by telephone or email if needed to complete the filing. I understand that the ERO may use an electronic signature method authorized by me below to sign the return on my behalf for electronic filing purposes.

2. I certify under penalties of perjury that the Social Security Number or Employer Identification Number provided on this form is my correct TIN and that I am the person authorized to sign this return. I understand that knowingly submitting false information may subject me to civil and criminal penalties.

3. I consent to the use of an electronic signature to sign the tax return and any related documents. I authorize the ERO to apply the electronic signature or practitioner PIN as selected below. I understand that an electronic signature has the same force and effect as a handwritten signature for the purpose of federal tax administration.

4. I grant permission for disclosure of return information to the ERO for the purpose of preparing, transmitting, and processing my electronic return and any subsequent inquiries related to that transmission.

5. I acknowledge that I have reviewed the information to be filed and that it is true, correct, and complete to the best of my knowledge.

Signature Method Selection

Select the method by which the electronic signature will be applied:

Self-selected PIN Practitioner PIN by ERO Other authorized electronic signature

Self-selected PIN (if chosen)

Last 4 digits of SSN (for verification)

If practitioner PIN is used, the ERO will enter the assigned practitioner PIN and EFIN in the authorized fields at the time of transmission.

Consents and Declarations

I authorize the ERO to electronically transmit my tax return.

I consent to the application of an electronic signature in accordance with this authorization.

I authorize disclosure of my return information to the ERO for filing, communications, and client service purposes.

Additional Instructions or Notes

Certification: I declare under penalties of perjury that I have examined this authorization and accompanying information, and to the best of my knowledge and belief it is true, correct, and complete. I understand that knowingly making a false or fraudulent statement in this authorization may result in civil and criminal penalties.

Taxpayer Signature

Printed Name:

Signature:

Date:

What the Tax e-file Signature Authorization Is and Why It Exists

The Tax e-file Signature Authorization is a written consent that allows a taxpayer or authorized representative to sign and submit federal or state tax returns electronically. It documents the signer's intent and consent to use an electronic signature, records the method of authentication (PIN, typed name, or credential), and preserves an audit trail that shows timestamp, IP address, and signer actions. Federal electronic-signature law (ESIGN) and state UETA/ESRA frameworks recognize these authorizations as legally valid when they demonstrate intent, consent, attribution, and retention capability.

Why a Clear Authorization Matters for Electronic Filing

A completed authorization establishes legal consent, reduces submission errors, creates a reliable audit trail, and documents the signer’s attribution and authentication method required under electronic-signature laws.

Who Typically Completes a Tax e-file Signature Authorization

Different roles complete these authorizations depending on the filing context: taxpayers, paid preparers, payroll administrators, and corporate officers.

Individual Taxpayers — Sign to permit electronic filing of personal returns and to acknowledge consent for e-signature authentication.
Paid Preparers — Complete preparer blocks when authorized to e-file on behalf of clients and to accept responsibility for submission.
Employer / Payroll Admins — Authorize e-filing of employer returns, wage statements, and associated information returns.

The correct signer depends on the form type and the payer/payer-agent relationship; use authority sections to confirm who may sign legally.

Core Elements to Include in a Professional Authorization

A robust Tax e-file Signature Authorization combines identity details, explicit consent language, authentication method, signature data, transmission instructions, and an audit trail to support legal validity and subsequent verification.

Identity

Full legal name, taxpayer identification (SSN or EIN), and the role or capacity in which the signer acts; this ties the signature to a specific legal actor.

Explicit Consent

Clear language stating the signer agrees to electronic signature and e-filing, and acknowledges any consumer disclosure required under 15 U.S.C. §7001 when applicable.

Authentication

Method used to prove identity (PIN, single-use code, email link, SMS, KBA, or advanced signer authentication) and any multi-factor steps employed.

Signature Evidence

Signed name, typed name, or electronic signature artifact plus the signature timestamp and IP address captured in the platform audit log.

Filing Instructions

Designation of who will transmit the return (taxpayer, paid preparer, or transmitter) and whether the authorization covers multiple returns or a single filing event.

Audit Trail

Record retention statement describing where signed copies and the certificate of completion will be stored and for how long to satisfy legal and regulatory obligations.

Required Data Fields at a Glance

Taxpayer Name: Full legal name

Taxpayer ID: SSN or EIN

Signatory Role: Taxpayer, agent, officer

Authentication Type: PIN, SMS, KBA

Signature Method: Typed name or digital

Signature Date: MM/DD/YYYY

Step-by-Step: Completing a Tax e-file Signature Authorization

Follow these steps in order to collect a valid, audit-ready e-file signature authorization for a single return or series of returns.

01

Prepare Form: Upload form and prefill static fields.
02

Add Signers: Assign signer roles and contact emails.
03

Select Auth Method: Choose PIN, SMS, or KBA authentication.
04

Send & Capture: Transmit link; capture signature and certificate.

Typical Digital Workflow Settings for Online Completion

Configure these common workflow settings to support security, compliance, and reliable transmission of the authorized e-file.

Field	Configuration
Authentication	SMS code, email link, or KBA
Field Types	Signature, date, text, hidden PIN
Retention	Audit log + PDF for 6 years
Notifications	Signer email + sender confirmation

How Electronic Authorization Fits into the E-file Process

This flow shows how authorization is collected, retained, and used by the filer or transmitter when submitting electronically to tax authorities.

Upload Document: Prepare the return and authorization form in PDF or DOCX.
Collect Signature: Signer completes authentication and signs electronically.
Transmit Return: Preparer or transmitter e-files to IRS/state agency.
Store Records: Store signed PDF and audit trail for required retention.

Technical and Integration Considerations for eSubmission

Ensure your signing platform supports necessary formats, authentication options, and integrations before collecting authorizations at scale.

File Formats: PDF, DOCX, and fillable forms
Integrations: Salesforce, NetSuite, Google Workspace
Compliance: TLS, AES-256, and audit trails

Confirm the platform meets regulatory and retention needs (ESIGN, UETA, HIPAA if applicable) and captures a certificate of completion with each signed authorization.

Timing and Key Filing Deadlines Related to Tax Authorizations

Know the filing deadlines that interact with signature authorizations so you collect consent in time for timely information returns and tax filings.

W-9 / TIN Requests:

No fixed deadline; provide upon payer request

1099-NEC:

Recipient and IRS due Jan 31

1099-MISC:

Recipient due Jan 31; IRS electronic due Mar 31

Form 1040:

Individual return due April 15 (Oct 15 with extension)

FBAR (FinCEN 114):

Due April 15 with automatic extension to Oct 15

Common Preparation Errors to Avoid

Using an incorrect or mismatched TIN so that the payer cannot validate the taxpayer, which can trigger backup withholding or rejection.
Sending an unsigned or improperly authenticated authorization that lacks recorded consent, leaving the e-file without adequate legal attribution.
Failing to capture or retain the full audit trail (time, IP, authentication token), which weakens defense in case of a later dispute.
Not checking state or payer-specific requirements, such as additional disclosure language or differing witness/notary rules for specific returns.

Penalties and Legal Risks of an Incorrect Authorization

Incorrect 1099 Filing: Civil penalties apply

Late 1099 Forms: $60–$330 per form

Intentional Disregard: $660+ per form

Missing TIN: Triggers 24% backup withholding

I-9 Paperwork: $281–$2,789 per violation

Record Retention Failure: Regulatory fines or audit exposure

Representative eSignature Pricing and Feature Comparison

Overview of common plan-level features and starting prices for signNow and selected competitors; pricing and feature availability vary by billing term and plan tier.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo	$15/user/mo	$14/user/mo	$19/user/mo	$15/user/mo
Free Trial	Yes, 7-day trial	Yes	Yes	Yes	Yes
Bulk Send	Yes	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	No	No
Envelope Cap	No cap	100 envelopes/user/year	Varies by plan	Varies by plan	Varies by plan

Frequently Asked Questions About Tax e-file Signature Authorizations

Answers to common questions about legality, revocation, validation, and recordkeeping for electronic signature authorizations used with tax filings.

Need help? Contact support

Is an electronic authorization legally binding?
Yes. Under the ESIGN Act (15 U.S.C. §7001) and state UETA frameworks, an electronic signature that demonstrates intent, consent, attribution, and retention is legally valid for most transactions.
What if the taxpayer’s TIN is incorrect?
An incorrect TIN can trigger backup withholding (24%) and penalties under IRC §6721 for incorrect information returns; correct the TIN promptly and document communications.
How can a signer revoke authorization?
Revocation should be documented in writing and retained. Revocation may prevent future e-filings under that authorization but may not undo previously filed returns.
Does the IRS require a specific form or notary?
The IRS accepts electronic signatures when properly documented. Notarization is generally not required for an e-file signature authorization unless a payer or state law specifically demands it.
How long must I keep signed authorizations?
Retain tax-related authorizations at least three years from the filing date per IRC §6501(a); industry rules like HIPAA may require six years (45 CFR §164.530(j)).
What should I do if a signer disputes the signature?
Produce the audit trail (timestamp, IP, authentication token), confirmation emails, and the signed PDF. Strong authentication and preservation of the certificate of completion reduce dispute risk.

be ready to get more

Join over 28 million airSlate SignNow users

Sign Now