DO I NEED A LAWYER FOR A SALES TAX AUDIT?

Quick Answer: In most circumstances, the answer is YES. While you are not legally required to hire an attorney for a Florida sales tax audit, the decision to go it alone could be one of the most expensive mistakes you make as a business owner. Let’s put it this way, the average sales tax audit assessment is over $100,000. Most of those business owners thought they didn’t have anything to worry about either. A Florida Department of Revenue ("FL DOR") sales tax audit is not an administrative formality — it is an adversarial process conducted by a trained government auditor whose job is to find tax owed. In reality, the sales tax auditors usually throw as much against the wall as they can to see what sticks. The decisions you make from the moment you receive the DR-840 audit notice through the closing conference will determine whether your assessment is manageable or a nightmare that could take years to fight. This article explains what is at stake, what an experience sales tax attorney – like the author James Sutton, CPA, Esq. - brings to the table, and how to know whether your situation calls for professional representation.

THE REALITY OF A FLORIDA SALES TAX AUDIT

When a Florida business receives a Form DR-840 Notice of Intent to Audit Books and Records from the FL DOR, many business owners assume the audit will be straightforward. They believe that if they have been doing things correctly, they have nothing to worry about. And if there is a small mistake, they assume the auditor will be reasonable about it.

That assumption leads to serious consequences.

Florida sales and use tax law is one of the most complex bodies of state tax law in the country. The taxability of transactions — labor charges, exemption certificates, out-of-state purchases, delivery services, industry-specific rules, all complicate the situation — turns on a web of statutes, administrative rules, and Department guidance that changes regularly. What a business owner believes is correct, even if the whole industry is doing it that way, is often not what the FL DOR auditor believes is correct. And in a sales tax audit, the auditor's initial determination is the one that controls — unless you push back.

The FL DOR auditor is not your friend or advisor. The auditor works for the State of Florida. The auditor's role is to assess additional tax. Auditors are trained in audit techniques that maximize assessments, including the use of statistical sampling, the projection of errors across multi-year periods, and the disallowance of exemption certificates on technical grounds. An auditor who finds a pattern of under-collected tax in a sample period will project that error across the entire audit period — often three years or more — multiplying a modest error into a six- or seven-figure assessment. That is the audit most business owners are not expecting when they walk into the opening conference. As an attorney that does nothing but Florida sales tax controversy, I seen just about every horror story you can imagine and have done 1,000’s of cases against the state to learn the tricks on how to fight back.

WHAT A FLORIDA SALES TAX ATTORNEY DOES THAT YOU CAN’T DO ALONE

Hiring a Florida sales tax attorney is not about having someone fill out paperwork. It is about having a professional who knows how the audit process works, knows where auditors make mistakes, and knows how to protect your rights at every stage. We know how the auditor thinks and how they will perceive what you give them. Knowing the impact of every document before you give it is key. Control is the name of the game.

Controlling the Audit from Day One. The first and most important thing a sales tax attorney does is take control of the process before it gets away from you. Most business owners do not know that they do not have to let an auditor into their place of business. You can designate your attorney's office as the audit location, limiting the auditor's ability to observe operations, interview employees, or find issues that were not part of the original audit scope. Once an auditor is inside your business asking questions of your staff, information gets introduced into the audit that you did not choose to put there. An attorney prevents that from happening. I’ve even seen experienced CPAs say the wrong thing on something as simple as “delivery charges are not optional” that turned into a six figure lawsuit to get this issue cleaned up.

Evaluating the Audit Scope and Sampling Methodology. If the auditor proposes to use statistical sampling — which is common in audits of businesses with high transaction volume — the methodology used to select the sample period and project the results has an enormous impact on the final assessment. A Florida sales tax attorney who has handled hundreds of audits knows how to challenge sampling methodologies that are not representative of your actual business activity, negotiate alternative sampling approaches, and identify time periods where your compliance was stronger that should be weighted differently in the analysis. Also, most people don’t know that you do not have to sign the sampling agreement. You can just say no. They will still use their sample, but you have more rights to challenge the sample afterwards if you don’t agree with the results. Hiring an experienced attorney gives you a full bag of tricks!

Protecting Exemptions. One of the most common and costly audit findings is the disallowance of exemptions because the supporting documentation is imperfect. Florida law requires specific documentation — exemption certificates, resale certificates, affidavits — to support exempt sales and purchases. Most sales tax auditors will take the strategy of denying all exempt sales until you can prove you are entitled to the exempt. Guilty until proven innocent. An auditor who finds a missing certificate or an expired one will disallow the exemption and assess tax on the full transaction. A sales tax attorney can work with the auditor to obtain retroactive documentation where permitted, identify legal arguments for why an exemption applies even without a complete certificate, and negotiate the treatment of borderline transactions before the assessment becomes final.

Knowing When to Fight, Where to Fight, and When to Settle. Not every audit assessment should be protested. Not every assessment should be accepted. Deciding which path to take requires knowledge of the strength of the legal arguments available to you, the cost and time involved in a formal protest, the likelihood of success at the Division of Administrative Hearings, and whether a negotiated resolution is achievable at the informal protest stage. One advantage to having an experience Florida sales tax attorney on your side is that they will know where and when you are most likely to get the results you want. Spending hours arguing with an auditor when they are not allowed to compromise the issue is a waste of time and your money. Chances are I have dealt with your exact issue many times before and will have insight into what level of challenge is most likely to (cost effectively) get the result you want. In other words, my experience can give you a realistic picture of your options. A business owner handling an audit alone rarely has the information needed to make that call correctly.

Do I Have to Pay Penalties and Interest? With 25% to 50% penalties and 11% interest per year, these amounts can add up to very large dollars in most audits. The question I get regularly is “Do I have to pay penalties and interest?” The answer is maybe not. Auditors rarely compromise all the penalties and they never compromise interest. At the next level of challenge, a protest, they will usually compromise penalties, but not usually interest. However, there is a higher level of challenge called a Chapter 120 Petition, that we can often get both penalties and interest compromised. The question is only whether you can cost effectively go that route. If you want to take advantage of my free initial consultation, then we can talk through your situation to help determine whether a higher level of challenge is worth it.

WHEN IS AN ATTORNEY ABSOLUTELY ESSENTIAL?

There are situations where trying to handle a Florida sales tax audit without an attorney is not just inadvisable — it is a serious mistake that can make a bad situation dramatically worse.

Large Assessments. If your audit is likely to produce an assessment in excess of $50,000, the stakes justify professional representation. At that level, the cost of an attorney is a small fraction of the difference between a well-defended audit and a poorly handled one.

Industry-Specific Complexity. Certain industries — construction, manufacturing, agriculture, marine, healthcare, technology, grocery stores, interior designors — have exemptions, exclusions, and special rules that general business owners and even experienced CPAs frequently do not know. A Florida sales tax attorney with industry-specific experience can identify exemptions that apply to your business that the auditor has no incentive to find for you.

Criminal Investigation Risk. If your business has been collecting but not remitting all the sales tax — particularly if the failure has been ongoing and intentional — a civil audit can escalate into a criminal investigation. The FL DOR has a criminal investigations division that regularly works alongside civil auditors. They usually have desks right next to each other and they talk! If there is any risk of criminal exposure, you need an attorney before you say anything to the auditor.

Protest and Litigation. If your audit has already resulted in a Notice of Proposed Assessment ("NOPA") and you disagree with the findings, the protest process is a legal proceeding. At the informal protest stage, you are presenting legal and factual arguments to the FL DOR's Informal Dispute Resolution section. If the matter proceeds to the Division of Administrative Hearings ("DOAH"), you are in a formal administrative court with rules of evidence, discovery, and legal briefing and having a lawyer is essential. This is not a process designed for business owners to navigate alone.

WHAT ABOUT MY CPA OR BOOKKEEPER?

Many business owners assume that their existing accountant or bookkeeper can handle a sales tax audit. I know some CPA’s that are excellent with sales tax. I know some that are pretty good. But most CPA’s focus on other areas of law and just don’t handle enough sales tax audits to really know the area backwards and forwards. For a very small audits with narrow scope — that may be sufficient. But a CPA who handles your annual tax returns has a fundamentally different skill set than a Florida sales tax attorney who handles sales tax audits as a primary practice area. Sales tax law is not income tax law. The statutes, rules, and agency practices are different, and the audit process is different. As both a CPA and an attorney – I fill all the boxes, if that is what you are looking for.

There is also a confidentiality consideration. Communications with your CPA are not protected by attorney-client privilege. Communications with your Florida sales tax attorney are. In an audit that has any potential to escalate — whether to criminal investigation, penalty assessment, or fraud allegations — privilege matters.

FREQUENTLY ASKED QUESTIONS

Q: Do I legally have to hire an attorney for a Florida sales tax audit?

A: No. Florida law does not require you to have an attorney represent you in a sales tax audit or a protest. You may represent yourself, or you may authorize another person — a CPA, a bookkeeper, or any individual — to act as your Power of Attorney in the audit. However, the fact that experienced attorney representation is not required does not mean it is not advisable. The FL DOR auditor is a trained professional working for the State. Going into an audit without experienced representation is the equivalent of going to court without a lawyer: permissible, but rarely wise.

Q: How early in the audit process should I hire an attorney?

A: As early as possible — I know it comes off as a self serving answer, but it is the truth. Determining your exposure areas and how to put every piece of documentation in the best light possible starts before the auditor sees anything. Ideally, you should at least consult with an experience sales tax attorney before you respond to the DR-840 or have any contact with the auditor. The decisions made in the first days after receiving an audit notice often determine the entire trajectory of the case. Where the audit takes place, what records are produced, what the auditor is told in the opening interview — all of these things affect the final outcome. Waiting until after the auditor has completed fieldwork and issued a preliminary assessment leaves far fewer options on the table.

Q: What if I already spoke with the auditor before hiring an attorney?

A: Do not panic, but do not delay further. I get hired all the time by business owners that thought they were doing everything right, at least until the first estimated tax assessment arrives. The sooner you bring in experienced representation, the more options remain available. An attorney can review what has already been disclosed, assess whether any statements or records produced could create additional risk, and develop a strategy for the remainder of the audit. It is always better to hire representation late than not at all.

Q: What does it cost to hire a Florida sales tax attorney?

A: Attorney fees vary depending on the complexity and duration of the audit, the size of the potential assessment, and the attorney's experience. Many attorneys, including myself, offer a free initial consultation when you can get an idea of fees after getting a better since of how complicated you case is. In many cases, the fee for experienced representation is a fraction of the tax, interest, and penalties that a well-defended audit avoids. The question is not whether you can afford to hire an attorney — it is whether you can afford not to.

Q: Can an attorney actually reduce my assessment, or just help with the process?

A: Both. An experienced Florida sales tax attorney can reduce your assessment through a variety of means: identifying exempt transactions the auditor has treated as taxable, challenging sampling methodology that overstates the error rate, obtaining retroactive documentation for disallowed exemptions, negotiating penalty reductions, and presenting legal arguments that the auditor's interpretation of the law is incorrect. At the same time, we can walk you through every step of the audit. We even have former auditors on staff in our law firm. In our experience, the difference between a represented and an unrepresented taxpayer in a contested audit is frequently substantial, or the difference between an assessment and no assessment at all.

Q: My audit seems small. Do I still need an attorney?

A: The size of the initial audit notice does not always reflect the final assessment. Auditors frequently expand the scope of an audit when they find issues in the initial review. What begins as a routine desk audit can become a full field audit covering multiple years and multiple tax types. Even a seemingly small audit deserves a consultation with a Florida sales tax attorney so you can make an informed decision about the level of representation your situation requires. My initial consultation is free. Why not take advantage?

IF YOUR BUSINESS IS FACING A FLORIDA SALES TAX AUDIT

As a shareholder in the firm Moffa, Sutton, & Donnini, P.A., I have represented hundreds of Florida businesses every year with Florida sales tax problems. From the initial DR-840 notice through informal protest, formal DOAH proceedings, and litigation, our attorneys are both Florida Bar members and licensed CPAs, and our staff include former FL DOR auditors who know exactly how the other side thinks. If your business has received an audit notice or if you have concerns about your Florida sales tax compliance, call us today for a free initial consultation at 813-775-2131 or email me at JamesSutton@FloridaSalesTax.com.

About the Author: James H Sutton, Jr. is a Florida licensed CPA and attorney as well as a shareholder in Moffa, Sutton, & Donnini, PA. Mr. Sutton is in charge of the Tampa office of the firm and practices almost exclusively in the area of Florida Sales & Use Tax Controversy. Mr. Sutton handles audits, protest, litigation, criminal cases, revocations, collections, and consulting engagements all in the area of sales tax. Mr. Sutton is an active member in the FICPA, Florida Bar, the AAA-CPA, and Florida TaxWatch. Mr. Sutton also taught state and local tax as an adjunct professor for over 20 years at Stetson University College of Law. You can learn more about Mr. Sutton in his firm bio HERE and you can call him directly at 813-775-2131 or email JamesSutton@FloridaSalesTax.com.

ADDITIONAL RESOURCES

HOW TO PROTEST A FL SALES TAX AUDIT ASSESSMENT, published May 31, 2026, by James Sutton, CPA, Esq. –

FLORIDA SALES TAX VOLUNTARY DISCLOSURE: THE BEST WAY TO CLEAN UP A FLORIDA SALES TAX PROBLEM, published May 26, 2026, by James Sutton, CPA, Esq.

HELP! – FLORIDA SALES TAX AUDIT, published January 26, 2026, by James Sutton, CPA, Esq.

FLORIDA SALES TAX PROTEST LAWYER, published January 14, 2026, by James Sutton, CPA, Esq.

FLORIDA SALES TAX AUDIT DEFENSE, published June 30, 2025, by James Sutton, CPA, Esq.

FLORIDA SALES TAX AUDIT HELP, published January 8, 2025, by James Sutton, CPA, Esq.

About the Firm: At the Law Office of Moffa, Sutton, & Donnini, PA, our primary practice area is Florida taxes, with a very heavy emphasis in Florida sales and use tax. We have defended Florida businesses against the Florida Department of Revenue since 1991 and have over 200 years of cumulative sales tax experience within our firm. Our shareholders are both CPAs/Accountants and Attorneys, so we understand both the accounting side of the situation as well as the legal side. We even have former sales tax auditors on staff. We represent taxpayers and business owners from the entire state of Florida. Contact us for a FREE INITIAL CONSULTATION to confidentially discuss how we can help put this nightmare behind you.