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Tax Service Agreement

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TAX SERVICE AGREEMENT

Parties and Effective Date

Tax Preparer:

Client Name:

Effective Date:    Tax year or period covered:

Engagement and Scope of Services

The Preparer is engaged to prepare and, at Client's authorization, to file the federal and state income tax return(s) and related schedules listed below on behalf of the Client for the tax period specified above. The engagement does not include tax planning, tax opinion letters, audit representation or services not expressly described herein unless agreed in writing.

Taxpayer Identification

Taxpayer Full Legal Name:

Individual / Sole Proprietor    C Corporation    S Corporation

Partnership    Trust / Estate    LLC    Other (describe below)

Social Security Number (SSN):

Employer Identification Number (EIN):

Client Responsibilities

The Client shall timely provide all information and documentation necessary for preparation of the returns, including but not limited to income statements, expense documentation, prior year returns, identification numbers, and any other material facts affecting the returns. The Client certifies that all information furnished to the Preparer is accurate, complete and provided in good faith.

Fees and Payment

Fees will be based on the complexity of work performed and time expended, or on an agreed fixed fee. Payment for services is due upon completion of the returns unless otherwise agreed in writing. The Client remains responsible for fees for services rendered even if Client does not file prepared returns.

Electronic Filing and Direct Deposit Authorization

The Client authorizes the Preparer to electronically file the returns indicated above and to use Client bank account information for direct deposit or direct debit if necessary. The Client understands that authorization for direct deposit may require providing bank routing and account numbers directly to the Preparer.

Client authorizes electronic filing and direct deposit/direct debit as applicable.

Confidentiality; Use of Information

The Preparer will maintain confidentiality of Client information except as required by law or as authorized by Client. Client authorizes Preparer to disclose return information to third parties as necessary to complete tax preparation and filing, to obtain missing documentation, or to respond to taxing authority inquiries.

Limitation of Liability; Indemnification

The Preparer will exercise reasonable professional care. However, the Preparer's liability for any claim arising under this Agreement shall be limited to the amount of fees paid by the Client for the specific services giving rise to the claim. Client agrees to indemnify and hold the Preparer harmless from any loss, tax, interest, penalty, or expense resulting from Client's failure to provide complete and accurate information.

Termination

Either party may terminate this Agreement upon written notice. Client shall remain liable for fees and expenses incurred through the date of termination. Termination does not affect Client's obligation to pay for services already performed.

Governing Law; Dispute Resolution

This Agreement shall be governed by the laws of the state specified below. Parties agree that disputes arising from this Agreement shall be resolved by binding arbitration unless otherwise required by applicable statute.

Retention of Records

The Preparer may retain copies of Client's returns and supporting workpapers. The Client authorizes the Preparer to destroy old files after the retention period specified below unless Client requests return of the records in writing.

Certification and Perjury Statement

By checking the box below and signing this Agreement, the Client certifies, under penalty of perjury, the following statements:

  1. All information provided to the Preparer for preparation of tax returns is true, correct and complete to the best of the Client's knowledge.
  2. The Client accepts responsibility for the accuracy of the information supplied to the Preparer and for all decisions regarding tax positions taken on the returns.
  3. The Client authorizes the Preparer to communicate with taxing authorities and third parties necessary to prepare and file the returns and to respond to inquiries on the Client's behalf.
  4. The Client acknowledges that failure to provide complete and accurate information may result in penalties, interest, or additional tax assessments for which the Client is solely responsible.

I certify under penalty of perjury that the foregoing statements are true and that I am authorized to execute this certification on behalf of the taxpayer identified in this Agreement.

Miscellaneous

This Agreement constitutes the entire agreement between the parties relating to the subject matter hereof and supersedes all prior agreements and understandings. Any amendment must be in writing and signed by both parties. If any provision is found unenforceable, the remaining provisions remain in full force.

Client Signature

Print Name:

Signature:

Date:

Enter text

What the Tax Service Agreement Is and When It Applies

A Tax Service Agreement is a written engagement that sets out the relationship between a client and a tax preparer, firm, or service provider. It defines the services to be provided — for example, preparation, filing, representation before tax authorities, or advisory work — and allocates responsibilities such as data delivery, payment terms, deadlines, and confidentiality. The agreement typically addresses fees, deliverables, limitations of liability, and authorization to sign or file returns on the client's behalf. It can be executed on paper or electronically under U.S. e-signature law when parties meet intent, consent, attribution, and record-retention requirements.

Why a Written Tax Service Agreement Protects Both Parties

A clear agreement reduces misunderstandings about scope, fees, and deadlines while documenting client authorizations and recordkeeping responsibilities. It creates a reference point if a dispute arises and supports regulatory compliance by specifying who will prepare, review, and file tax returns.

Why a Written Tax Service Agreement Protects Both Parties

Who Typically Uses a Tax Service Agreement

Typical users include small businesses, independent contractors, accounting firms, payroll providers, and high-net-worth individuals engaging a preparer.

  • Small businesses that outsource payroll, bookkeeping, or annual return preparation to a third party.
  • Independent contractors and freelancers who hire a tax preparer for 1099/estimated tax support.
  • Accounting and tax firms documenting client engagements and limits of representation.

The agreement helps both experienced tax professionals and occasional users clarify responsibilities and reduce audit risk.

Core Elements to Include in a Professional Tax Service Agreement

A complete agreement explicitly sets deliverables, timing, fees, client obligations, and legal protections. Clear clauses reduce disputes and support regulatory recordkeeping obligations.

Scope

Define specific services (e.g., prepare Form 1040, file extensions, representation) and exclude unrelated work to manage expectations and fees.

Deliverables

List documents, final return copies, and optional advisory memoranda. State the format for delivery and any electronic transmission consent.

Fees

Specify flat fees, hourly rates, retainer terms, billing cadence, and how out-of-scope work is charged to avoid later disputes.

Client Duties

Require timely delivery of records, truthful disclosures, and completion of required forms such as IRS Form 2848 or W-9 where applicable.

Confidentiality

Address protection of tax and financial data, permitted disclosures, and any HIPAA-related requirements when handling protected health information.

Liability

Limitations, indemnities, and dispute resolution mechanisms (mediation, arbitration, governing law) clarify remedies if issues arise.

Step-by-Step: Completing a Tax Service Agreement

Follow a consistent sequence to gather data, set terms, and obtain authorizations before any filing or representation work begins.

  • 01
    Gather Documents: Collect W-2s, 1099s, prior-year returns, and supporting schedules before drafting the agreement.
  • 02
    Define Scope: Describe exactly which returns and services are included and which services are excluded.
  • 03
    Agree Fees: Document fee structure, billing intervals, and payment responsibilities clearly.
  • 04
    Obtain Authorization: Secure signatures and any IRS authorizations (e.g., Form 2848) required for third-party representation or e-filing.

Typical Workflow for Using a Tax Service Agreement

A standard workflow moves from intake to execution, then filing and post-filing support. Each step should be documented to maintain an audit trail.

  • Intake: Client submits financial records and completes intake questionnaire via secure channel.
  • Drafting: Preparer drafts the agreement and the service plan with responsibilities and deadlines.
  • Execution: Parties sign the agreement; preparer obtains any required e-filing authorizations.
  • Filing & Support: Preparer files returns, delivers copies, and provides post-filing advisory or audit support as specified.

Common Digital Workflow Settings for Online Agreements

When completing a Tax Service Agreement online, configure signer roles, authentication, and audit trail settings to match the engagement risk level.

Field Configuration
Signer Roles Assign preparer, client, witness, and approver roles with signing order where required.
Authentication Choose email, SMS code, or stronger KBA/ID verification for high-risk signers.
Conditional Fields Enable conditional fields to surface only relevant fee or authorization clauses.
Audit Trail Ensure timestamps, IP addresses, and action logs are captured for each signing event.

Digital Signing and System Integration Considerations

Confirm the eSignature provider supports required integrations, authentication, and file formats before routing agreements for signature.

  • Integrations: Salesforce, NetSuite, Microsoft 365, Google Workspace support common automation needs.
  • File Formats: PDF, DOCX, HTML and Excel are typical accepted formats for agreements and schedules.
  • Compliance: HIPAA BAA, SOC 2, and ESIGN/UETA support are required for regulated workflows.

Key Tax-Related Deadlines to Reference in the Agreement

Include filing and delivery deadlines to align preparer obligations with statutory dates and to allocate responsibility for extensions and late filings.

W-9 Provision:

Provide W-9 when requested; no fixed IRS deadline for contract.

1099-NEC Filing:

Recipient and IRS delivery required by January 31 for nonemployee compensation.

Form 1040:

Regular filing due April 15; extensions to October 15 with Form 4868.

FBAR (FinCEN 114):

Due April 15 with automatic extension to October 15.

I-9 Retention:

Retain I-9s for three years after hire or one year after termination, whichever is later.

Common Preparation Mistakes to Avoid

  • Failing to specify whether the preparer will e-file or only prepare paper returns, which can delay submissions and create liability gaps.
  • Not documenting who pays penalties or interest for late filings, leaving the parties to dispute responsibility after deadlines pass.
  • Using vague fee language such as 'reasonable fee' instead of exact rates or ranges, which often causes billing and collection conflicts.
  • Collecting incomplete or unsigned authorizations (for example, missing Form 2848) that prevent the preparer from dealing with the IRS on the client's behalf.

Penalties and Risks When Agreements Are Incomplete or Incorrect

Late 1099 Filing: $60–$330 per form
Intentional Disregard: $660+ per form
Backup Withholding: 24% withholding rate
I-9 Violations: $281–$2,789 per violation
Name/TIN Mismatch: Potential withholding or rejected returns
Missing Signature: Return rejection or filing delay

Real-World Use Cases

Practical examples show how firms and clients use Tax Service Agreements to standardize engagements and reduce administrative friction.

Optica Ventures (Tax Outsourcing)

Optica engaged an external preparer for quarterly filings and year-end returns to scale operations

  • The engagement fixed fees per quarter and required digital delivery of records
  • The written agreement clarified turnaround times, reduced disputes, and preserved an audit trail for investor reviews and lender due diligence.

Martin Properties (Real Estate)

A property management firm contracted tax services to handle 1099s and investor K-1s

  • The agreement included data submission timetables and a representation clause for withholding tax documentation
  • This reduced late filings, provided clear escalation steps for corrections, and supported lender compliance checks.

eSignature Pricing and Feature Comparison for Signing a Tax Service Agreement

Comparing features and price models helps organizations choose an eSignature platform that matches compliance needs such as HIPAA, audit trails, and bulk sending.

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 free trial, no credit card required Varies by vendor Varies by vendor Varies by vendor Varies by vendor
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 Varies Varies

Key Milestones in a Tax Service Agreement Engagement

Track milestones from engagement to filing and post-filing support; make responsibility and timing explicit to avoid penalties.

01

Engagement Signed

Parties sign the agreement and preparer confirms receipt of authorization and any e-file consents.

02

Data Submission

Client delivers all required documents by an agreed date to allow timely preparation and review.

03

Preparation & Review

Preparer drafts returns, shares review copies, and obtains client approvals before filing.

04

Filing & Delivery

Preparer files returns, delivers executed copies, and documents the filing method and date.

Frequently Asked Questions About Tax Service Agreements

Answers to common questions about signing, authority, electronic execution, and risk allocation when using a Tax Service Agreement.


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Practical Tips for Accurate and Efficient Tax Service Agreements

Adopt these practices to reduce review cycles, avoid penalties, and maintain a clear trail of responsibilities and approvals.

Standardize Templates
Use a firm-approved template that includes scope, fees, deliverables, and required client authorizations to reduce customization errors and speed onboarding.
Require Complete Intake
Mandate a complete intake checklist and attach it as an exhibit so both parties agree on what supporting documents are required for timely preparation.
Use Strong Authentication for High-Risk Cases
For engagements with access to sensitive data or authority to file, require SMS codes, knowledge-based authentication, or ID credential analysis to reduce impersonation risk.
Document Change Orders
Record any scope or fee changes in a written amendment signed by both parties to prevent billing disputes after work is performed.
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