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Tax Appeal Engagement Letter

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TAX APPEAL ENGAGEMENT LETTER

This Engagement Letter confirms the terms under which the undersigned taxpayer engages the representative identified below to pursue administrative or judicial tax appeal matters with the relevant tax authority. This letter sets forth the scope, fees, and the mutual responsibilities of the taxpayer and the representative.

Parties and Contact Information

Client Name:

Engagement Effective Date:

1. Scope of Engagement

The representative will provide professional services to prosecute the appeal of tax assessments and related determinations for the tax periods and issues described below before the appropriate tax appeals body and to negotiate any administrative settlement. Services include review of file materials, preparation of appellate submissions, representation at conferences or hearings, communications with the tax authority, and related administrative tasks as necessary to pursue the appeal.

2. Tax Years and Issues Under Appeal

3. Fees, Retainer and Billing

The taxpayer agrees to compensate the representative according to the fee arrangement selected below. Fees for services rendered during the appeal do not include additional professional fees for litigation in court unless expressly agreed in writing.

Hourly — Rate: $ per hour

Fixed fee — Amount: $

Contingency — Percentage of recovery: %

Billing statements will describe services rendered and will be due upon receipt unless alternative terms are agreed in writing. Out-of-pocket costs and third-party fees incurred on the taxpayer's behalf are reimbursable by the taxpayer.

4. Client Responsibilities

The taxpayer shall: (a) provide complete, accurate, and timely records and information necessary for appeal; (b) promptly respond to requests for documentation or signature; (c) notify the representative of any material changes to facts or law; and (d) execute and deliver any authorizations required for the representative to access taxpayer records.

5. Authorization to Represent and Obtain Records

The taxpayer authorizes the representative to act on behalf of the taxpayer with respect to the appeal, to receive and inspect confidential tax information, to execute consents and correspondence reasonably necessary to pursue the appeal, and to negotiate settlements subject to the taxpayer's express approval when required by this engagement.

6. Taxpayer Identification

Full Legal Name:

Individual / Sole Proprietor

C Corp

S Corp

Partnership

Trust / Estate

LLC

Other:

Social Security Number:

Employer Identification Number:

7. Confidentiality and Privilege

Communications between the taxpayer and the representative shall be held in confidence to the fullest extent permitted by law. The representative will assert privilege where applicable and will not disclose privileged communications without the taxpayer's consent, except as required by law or by a court or administrative tribunal.

8. Limitation of Liability

Except as explicitly provided in this Engagement Letter, the representative's liability for any loss, claim or damage arising out of this engagement shall be limited to the amount of fees paid by the taxpayer for the specific appeal matter, except where prohibited by applicable law. The taxpayer acknowledges that the representative does not guarantee a particular outcome.

9. Termination

Either party may terminate this engagement upon written notice. The taxpayer remains responsible for fees and reimbursable expenses incurred up to the date of termination, and for tasks reasonably necessary to protect the taxpayer's interests during transition.

10. Dispute Resolution and Governing Law

Any dispute regarding the interpretation or performance of this Engagement Letter shall first be submitted to good-faith mediation. If mediation is unsuccessful, disputes shall be resolved by binding arbitration under rules mutually agreed at that time. The engagement shall be governed by the substantive law applicable to the representative's principal place of business.

Certification and Authorization (Perjury Statement)

By signing below, the taxpayer certifies, under penalty of perjury, the following:

1. The information provided in this Engagement Letter and any accompanying documentation is true, correct, and complete to the best of the taxpayer's knowledge and belief.

2. The taxpayer has the authority to retain the representative for the matters described and authorizes the representative to act on the taxpayer's behalf for the stated purpose.

3. The taxpayer will provide all information and documents necessary for the representative to perform the engagement and will cooperate in all reasonable respects.

4. The taxpayer understands that willful false statements in matters related to tax proceedings may subject the taxpayer to penalties under applicable law.

Attestation: I hereby certify the foregoing statements under penalty of perjury.

Taxpayer Name:

Signature:

Date:

Enter text✕

What a Tax Appeal Engagement Letter Is and Does

A Tax Appeal Engagement Letter is a written agreement that documents the relationship between a client and a tax representative (attorney, CPA, or consultant) retained to pursue an administrative or judicial appeal of a tax assessment. It defines scope of representation, fees and retainer terms, key deadlines, required documents, authority to act or receive notices, and how communications will be handled. The letter creates clear expectations for work to be performed and provides a record of consent and instructions that can be relied upon if disputes arise during the appeal process.

Why a Clear Engagement Letter Matters for Tax Appeals

A well-drafted Tax Appeal Engagement Letter reduces disputes about scope, protects client and practitioner expectations, clarifies fees and deadlines, and documents authority to act—helpful evidence if procedural challenges arise before the taxing authority or a court.

Why a Clear Engagement Letter Matters for Tax Appeals

Typical Parties Who Use a Tax Appeal Engagement Letter

Use this engagement letter when a taxpayer hires a professional to handle an administrative or court-level tax appeal.

  • Taxpayers and property owners seeking assessment reductions or refunds.
  • Tax attorneys and certified public accountants representing clients in appeals.
  • Accounting firms or specialty tax consultants retained for case preparation.

The letter clarifies roles and contact points for all parties and ensures consent to electronic exchange and representation where applicable.

Core Sections to Include in a Professional Engagement Letter

A comprehensive Tax Appeal Engagement Letter organizes the engagement so both parties understand obligations, outcomes sought, and limits.

Scope of Services

Describe the specific proceedings covered (administrative petition, hearing, judicial appeal) and exclude services not included, such as tax return preparation or unrelated audits.

Retainer & Fees

State the retainer amount or fee structure (hourly, flat, contingency), billing intervals, expense reimbursement, and any conditions for additional fees or termination.

Timeline & Deadlines

List critical filing dates, required client deliverables, and the effect of missed deadlines on the appeal; note that statutory deadlines vary by jurisdiction.

Documents & Evidence

Specify the documents the client must provide (assessments, tax returns, valuations), expected formats, and timelines for submission to avoid procedural dismissal.

Communication & Authority

Identify who is authorized to instruct counsel, receive notices, and approve settlements; include consent for electronic delivery if desired.

Termination & Dispute Resolution

Set procedures for ending the engagement, handling outstanding bills, and the chosen method for resolving fee or performance disputes.

Essential Information to Collect in the Letter

Client Name: Full legal entity or individual name
Tax Year(s): Specific tax year(s) under appeal
Taxing Authority: Name of agency or county assessor
Property Identifier: Parcel number or account ID
Fee Terms: Retainer or fee arrangement summary
Representation Authorization: Signed authorization to act on client's behalf

Step-by-Step: Completing the Engagement Letter

Follow these steps to ensure the letter is enforceable and the appeal moves forward without avoidable delays.

  • 01
    Gather Documents: Collect assessments, tax returns, and valuation reports.
  • 02
    Define Scope: Agree and draft a narrow, specific scope of representation.
  • 03
    Sign and Date: Ensure all parties sign using consistent legal names and dates.
  • 04
    File and Retain: Deliver copies to client, retain originals, and file required notices.

How to Configure an Online Engagement Workflow

Set up a digital workflow to collect signatures, evidence, and approvals with clear routing and authentication.

Field Configuration
Document Upload Allow PDF or DOCX uploads, require required documents before signature.
Signature Method Enable e-signature with optional notarization or RON when needed.
Authentication Use email plus SMS OTP or ID verification for higher assurance.
Routing Order Set signer order: client → representative → witness/notary if required.

Typical Submission Flow for an Executed Engagement Letter

A concise routing flow helps ensure timely filing and evidence preservation during appeal intake.

  • Send to Client: Representative sends draft for client review and signature.
  • Client Signs: Client signs, dates, and returns the executed letter.
  • Deliver to File: Submit authorization and engagement copy to counsel file or case management.
  • Serve Authorities: Provide authorizations or notices to taxing authority as required.

Digital Signing and Delivery Considerations

Choose tools that preserve the audit trail, support required file formats, and meet your authentication needs.

  • Supported Formats: PDF and DOCX for signed originals
  • Authentication Options: Email link, SMS code, or knowledge-based verification
  • Integrations: Connect to case management or cloud storage

Ensure the chosen platform supports audit trails, optional notarization or RON, and secure long-term storage; many integrations (CRM, cloud storage) simplify routing and retention.

Common Deadlines and Timing Expectations

Appeal deadlines and response timeframes vary; include clear dates and client responsibilities in the engagement letter.

Request for Reconsideration Deadline:

Often 30–90 days from assessment notice; local rules vary.

Appeal Filing Deadline:

Statutory filing windows commonly run 30–180 days depending on jurisdiction.

Hearing Scheduling Window:

Authority typically schedules hearings 30–120 days after filing.

Response Period from Authority:

Expect initial determinations within 30–180 days, variable by agency.

Client Document Deadlines:

Set internal deliverable dates to meet filing and discovery timelines.

Consequences of Errors or Missing Deadlines

Missed Filing Deadline: Loss of appeal rights
Incomplete Authorization: Regulator may refuse to communicate with representative
Incorrect Fee Agreement: Potential fee disputes or malpractice claims
Insufficient Evidence: Appeal dismissal or unfavorable ruling
Improper Signatures: Document rejection or enforceability issues
Data Privacy Breach: Regulatory exposure and corrective costs

Real-World Examples of Using an Engagement Letter in Appeals

These examples show how organizations used a formal engagement letter to streamline appeal workflows and maintain compliance.

Martin Properties — Property Tax Appeal

Martin Properties used a standardized engagement letter for multiple property appeals to centralize authorization and evidence collection.

  • The letter specified scope and fee terms to align internal teams.
  • As a result, the firm reduced administrative back-and-forth and ensured consistent client signoff before filing appeals, improving process reliability and audit readiness.

BIS — Legal Services Compliance

BIS adopted a written engagement template for contested tax matters that included electronic authorization and audit logging.

  • The template required defined deliverables and retention terms.
  • This provided clear evidence of authority and scope, helped avoid fee disputes, and supported secure recordkeeping across several complex administrative appeals.

Practical Tips to Prepare an Enforceable Engagement Letter

Follow these best practices to minimize risk and keep the appeal process on track.

Use Precise Language
Avoid broad phrases. Define exactly which proceedings and years are covered, who may settle, and which costs the client will reimburse to reduce ambiguity and potential disputes about scope.
Document Deadlines Clearly
Include exact filing deadlines and client deliverable dates in MM/DD/YYYY format when known; explain consequences for missed deadlines to avoid procedural forfeiture of appeal rights.
Maintain an Audit Trail
Record all authorizations, communications, and evidence submissions with timestamps and signer attribution to support the appeal record and defend against procedural challenges.
Specify Retention and Privacy
State how long records will be retained, any applicable privacy protections, and how sensitive tax or health-related information will be handled to comply with applicable regulations.

eSignature Pricing and Feature Snapshot for Executing Engagement Letters

Basic pricing and feature differences among common eSignature providers; signNow is listed first per comparison conventions.

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 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

Frequently Asked Questions About Tax Appeal Engagement Letters

Answers to common practical and legal questions encountered when preparing or executing an engagement letter for tax appeals.


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