Are e-signatures legally binding?

Yes. Electronic signatures are legally valid under the federal ESIGN Act (15 U.S.C. §7001) and under UETA in most states when the four-part legal-validity test—intent, consent, attribution, and record retention—is met.

When is notarization required?

Notarization is rarely required for a tax engagement itself, but state rules can require notarization for certain attached instruments; check state notary law if the agreement conveys authority or powers of attorney.

Can the agreement be signed remotely?

Yes, remote electronic signatures are accepted; use stronger signer authentication or RON where state rules or internal controls demand identity proofing and audio-video recording.

What if the client’s name or TIN is wrong?

A mismatched name or incorrect TIN can trigger IRS penalties or backup withholding; correct errors promptly and document amendments in writing to avoid IRC §6721 exposure.

How long must we keep signed agreements?

Retain tax-related records at least three years per IRC §6501(a); healthcare records require six years under 45 CFR §164.530(j); verify longer state-specific obligations.

Who may sign on behalf of a business?

An authorized officer, manager, or person with written authority may sign. Obtain and attach corporate resolution or power-of-attorney documentation if authority is not obvious.

Electronic Signature
Templates
Tax
Tax Engagement Agreement

Tax Engagement Agreement

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

TAX ENGAGEMENT AGREEMENT

Client Name:

Business Name (if applicable):

Primary Address

Email

Phone

Engagement Scope

Tax preparer will prepare the federal and state tax returns and related schedules identified below for the tax year(s) or period(s) specified. Client authorizes preparer to perform only the tax services expressly described in this engagement.

Tax Years / Periods Covered Returns to be prepared (check all that apply)

Individual Income Tax Return (Form 1040 or equivalent)

Corporate Return (Form 1120 or equivalent)

Partnership Return (Form 1065)

S Corporation Return (Form 1120-S)

Other:

Client Responsibilities

Client agrees to provide complete and accurate information necessary for the preparation of the returns in a timely manner. Client is responsible for the accuracy and completeness of all information provided to preparer. Preparer may rely on information provided without independent verification.

Additional Instructions or Limitations (if any)

Fees and Payment

Client agrees to pay preparer the fees described below. Unless otherwise agreed in writing, fees are due and payable upon delivery of final return(s). Client is responsible for any additional charges for amended returns, audit representation, or extensive correspondence with taxing authorities.

Estimated Fee Billing and Payment Terms

Taxpayer Identification

Please provide one taxpayer identification number below. Complete only the field that applies.

Social Security Number Employer Identification Number

Entity Type

Indicate the taxpayer's entity type by checking the applicable box(es).

Individual / Sole Proprietor

C Corporation

S Corporation

Partnership

Trust / Estate

LLC

Other:

Records Retention and Access

Preparer will retain copies of the tax returns and supporting workpapers for a limited period in accordance with preparer's document retention policy. Client is responsible for retaining originals of all documents and supporting data used to prepare the returns.

Retention Period (years)

Confidentiality; Use of Information

Preparer will maintain the confidentiality of client information except as authorized by client or required by law. Client authorizes preparer to disclose tax return information to third parties as necessary to perform the engagement or as required by law.

Limitation of Liability and Indemnity

Preparer's liability for claims arising out of this engagement shall be limited to direct damages not to exceed the fees paid by client for the services giving rise to the claim. Client agrees to indemnify and hold preparer harmless from any claim, penalty, or expense resulting from client's failure to provide accurate information or timely responses.

Termination

Either party may terminate this engagement upon written notice. Client will remain responsible for all fees and expenses incurred through the date of termination.

Authorization and Certifications

By signing below, client acknowledges and certifies the following under penalty of perjury:

1. The taxpayer identification number provided above is correct to the best of my knowledge and belief.

2. I am authorized to execute this engagement agreement on behalf of the named taxpayer and to provide the preparer with all information necessary to prepare the returns identified herein.

3. I understand that preparer will rely upon the information supplied by me and that I am responsible for the accuracy and completeness of such information, including disclosure of all income, deductions and other tax-related matters.

4. I authorize preparer to communicate with taxing authorities and to represent me in matters limited to the returns prepared under this engagement if additional representation is separately agreed.

5. I understand that preparer does not warrant or guarantee any tax result and that any opinions expressed are based on current law and applicable authorities.

6. I consent to receive and accept communications, disclosures, invoices, and returns electronically unless otherwise requested in writing.

Acknowledgment

This engagement agreement constitutes the entire agreement between client and preparer with respect to the services described. Any amendments must be in writing and signed by both parties. If any provision is held invalid, the remaining provisions shall remain in full force and effect.

Taxpayer Printed Name:

Signature:

Date:

What the Tax Engagement Agreement Is and Why It Matters

The Tax Engagement Agreement is a written contract that defines the relationship between a taxpayer and a tax preparer or firm, documenting scope of services, deliverables, fees, deadlines, and responsibilities. It clarifies whether the preparer will prepare returns, represent the client before the IRS, provide planning or bookkeeping, and outlines client duties such as providing accurate records and timely responses. For U.S. engagements the document typically includes consent to electronic delivery and e-signatures consistent with the ESIGN Act and UETA, plus governing-law and dispute-resolution provisions to limit ambiguity.

Why a Written Tax Engagement Agreement Reduces Risk

A clear agreement sets expectations for scope, timing, and fees, reduces disputes, and documents client consent for electronic records. It creates an audit-ready trail that supports regulatory compliance and demonstrates mutual consent under electronic signature laws such as the ESIGN Act.

Who Typically Signs a Tax Engagement Agreement

Typical users include individual taxpayers, small businesses, and accounting firms entering into paid tax-preparation services.

Accounting firms and CPAs: document service scope, representation authority, and fee arrangements for individual and business returns.
Small businesses and owners: define deliverables like bookkeeping, payroll reporting, tax filing, and estimated-tax advice in writing.
Individual taxpayers: confirm what returns will be prepared, what information to provide, and who may receive tax transcripts.

A concise agreement helps firms manage workload, informs clients of their responsibilities, and protects both parties during audits or disputes.

Step-by-Step: Completing a Tax Engagement Agreement

Follow these sequential steps to prepare and finalize the agreement so all parties understand their duties and deadlines.

01

Gather client data: Collect legal names, SSNs/EINs, and prior-year returns.
02

Define services: List returns, advisory tasks, and exclusions.
03

Set fees and timing: Document rates, billing schedule, and payment terms.
04

Sign and archive: Obtain signatures, save a copy, and assign retention period.

Typical Online Workflow Settings for eCompletion

Configure the digital workflow so signer authentication and field behavior match your compliance needs before sending the agreement for signature.

Field	Configuration
Signature Type	Email link or e-sign image; optional PKI
Authentication	Email token by default; SMS or KBA for higher assurance
Reminders	Auto-remind after 3 and 7 days
Audit Trail	Enable IP, timestamp, and event log retention

How Electronic Signing and Submission Typically Works

A standard e-sign workflow reduces turnaround while capturing legally relevant evidence of consent and completion.

Upload document: Sender uploads the agreement document.
Place fields: Add signature, date, and initial fields.
Authenticate signer: Choose email, SMS, KBA, or higher method.
Capture audit trail: System records timestamps, IPs, and actions.

Platform and File Requirements for eSubmission

Ensure the platform you use accepts required file types, supports your authentication level, and retains a verifiable audit trail.

File types: PDF, DOCX supported
Integrations: Connects with CRM and cloud storage
Security: TLS and AES-256 encryption

Essential Clauses to Include in a Professional Tax Engagement Agreement

A complete agreement combines operational, financial, and legal provisions so both parties understand rights, remedies, and expectations.

Scope

Precisely describe which tax years and forms are included and explicitly note services that are excluded to avoid scope creep and billing disputes.

Fees

State billing method, payment schedule, any retainer, and whether fees include representation for IRS correspondence or audit support.

Client responsibilities

Require the client to provide accurate records, timely access to documents, and truthful statements; note consequences for incomplete or false information.

Limitation of liability

Define any cap on damages, disclaimers for reliance limits, and carve-outs for fraud or willful misconduct to manage firm exposure.

Electronic consent

Include explicit consent for electronic delivery and e-signature, and state how records will be retained and reproduced to meet ESIGN requirements.

Termination

Specify termination rights, notice requirements, and responsibility for outstanding fees and document return upon end of engagement.

Required Information and Fields at a Glance

Client name: Full legal name

TIN: SSN or EIN

Service scope: Detailed tasks

Fees: Rates and terms

Effective date: MM/DD/YYYY

Signature block: Signer name and date

Common Mistakes When Preparing a Tax Engagement Agreement

Vague service descriptions that omit excluded tasks, leading to billing disputes and unmet expectations between preparer and client.
Using outdated client identifiers such as prior names or incorrect TINs, which can trigger IRS processing errors or backup withholding.
Failing to document consent for electronic delivery and e-signatures for consumer-facing services, risking enforceability questions under ESIGN.
Not specifying turnaround times for deliverables and review cycles, causing missed filing deadlines and potential penalty exposure.

Penalties and Key Legal Risks to Watch For

Incorrect 1099: IRC §6721 penalties

Late 1099 filing: $60–$330 per form

Intentional disregard: $660+ per form

Backup withholding: 24% withholding

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

HIPAA breach: Civil penalties apply

Important Deadlines and Filing Expectations

Key federal deadlines and retention benchmarks affect how engagement agreements should be timed and documented; note extensions and form-specific dates below.

W-9 provision:

Provide upon request; no fixed filing deadline

1099-NEC:

Recipient and IRS due Jan 31

Form 1040:

April 15 (Oct 15 extension with Form 4868)

FBAR (FinCEN 114):

April 15, auto-extension to Oct 15

I-9 retention:

3 years after hire or 1 year after termination

Key Milestones in the Agreement Lifecycle

Track milestones from engagement start through final delivery and retention to stay compliant and manage client expectations.

01

Engagement start

Effective date triggers preparer obligations and retention clock.

02

Document collection

Client must submit records before preparer begins work.

03

Delivery and review

Preparer delivers drafts; client signs off for filing.

04

Retention and close

Store final documents and audit trail per retention rules.

Comparison: signNow and Common eSignature Providers

Costs and core features vary by vendor and plan; signNow is listed first for reference. Confirm plan details directly with each provider before procurement.

	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	7-day trial	No	No	Yes, limited	Yes, limited
Bulk Send	Yes	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
Envelope Cap	No envelope cap	100 envelopes/user/year	Varies by plan	Varies by plan	Varies by plan

Practical Tips for Accurate and Efficient Completion

Adopt these practices to minimize rework, ensure enforceability, and keep audit-ready records for tax and regulatory review.

Standardize templates

Use a single vetted template with variable fields for client name, scope, fees, and dates to ensure consistency and reduce review time across engagements.

Validate TINs

Verify taxpayer identification numbers using IRS TIN-matching or client-supplied documentation to avoid backup withholding and penalty exposure.

Capture consent

Include explicit ESIGN-consent language for electronic delivery and preserve a copy of the consumer disclosure and consent record for evidentiary purposes.

Archive securely

Store executed agreements and audit trails in encrypted storage with defined retention policies aligned to IRS, HIPAA, and state rules.

Frequently Asked Questions About Tax Engagement Agreements

Answers to common questions about enforceability, electronic signing, retention, and signer authority for Tax Engagement Agreements in the United States.

Need help? Contact support

Are e-signatures legally binding?
Yes. Electronic signatures are legally valid under the federal ESIGN Act (15 U.S.C. §7001) and under UETA in most states when the four-part legal-validity test—intent, consent, attribution, and record retention—is met.
When is notarization required?
Notarization is rarely required for a tax engagement itself, but state rules can require notarization for certain attached instruments; check state notary law if the agreement conveys authority or powers of attorney.
Can the agreement be signed remotely?
Yes, remote electronic signatures are accepted; use stronger signer authentication or RON where state rules or internal controls demand identity proofing and audio-video recording.
What if the client’s name or TIN is wrong?
A mismatched name or incorrect TIN can trigger IRS penalties or backup withholding; correct errors promptly and document amendments in writing to avoid IRC §6721 exposure.
How long must we keep signed agreements?
Retain tax-related records at least three years per IRC §6501(a); healthcare records require six years under 45 CFR §164.530(j); verify longer state-specific obligations.
Who may sign on behalf of a business?
An authorized officer, manager, or person with written authority may sign. Obtain and attach corporate resolution or power-of-attorney documentation if authority is not obvious.

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