Sales Tax Legal
← Back to Blog
New YorkAugust 3, 2026

New York Restaurant Sales Tax Audit Defense: What to Do When DTF Already Has Your Numbers

By Gerald J. Donnini II, Esq. | New York Sales Tax Defense

Through sacrifice and grit, you built a livelihood through your restaurant business. Thin margins, staffing and labor issues, supply costs to manage every day. You navigated the health inspections, managed the turnover, kept margins in a range that made sense, and kept a restaurant running in New York. Busy with real business operations, sales tax was an afterthought, until that notice arrives from the New York Department of Taxation and Finance.

Restaurants are one of the industries DTF audits most consistently. The sales and use tax rules are layered, the exemptions are few, and the state comes armed with third-party data that often predicts your assessment before you turn over a single document.

Over the last 15-plus years, I have handled hundreds of these cases. The calls from New York restaurant owners start the same way almost every time: the notice arrived, the owner, CFO, or CPA called DTF to explain, unnecessary records were sent and questions answered. By the time they found me, the number had gotten bigger. It is a very predictable and reasonable response, but it gets New York restaurants in trouble time and time again.

Here is what almost nobody explains: DTF received your credit card processor's 1099-K data before the auditor made contact and compared it to your sales tax returns. The gap between those two numbers is often what the number on your letter is built from. They did the math first. It was not a coincidence you got that audit notice.

The short answer

DTF ran your 1099-K data against your sales tax returns before the auditor called. The first 30 days of a New York restaurant audit shape the outcome more than anything that follows. Documents produced, positions taken, sampling periods agreed to: none of those decisions are undoable. Contact audit defense counsel before you respond.

What DTF Already Had Before the Auditor Called

The 1099-K Data Match

Every year your payment processor files a 1099-K with the IRS showing total card transaction volume for your business. The IRS shares that data with state tax agencies, and DTF uses it. What DTF does specifically is compare the revenue reported on that form to what you put on your sales tax returns as gross sales. When those two numbers diverge, DTF has a discrepancy. That discrepancy is assumed to be taxable sales, and it is often what they are building the assessment from before they walk in the door.

For a restaurant with revenue of $2.0 million a year, a 10 to 20 percent gap lands at $200,000 to $400,000 in potentially unreported receipts. Multiply by three audit years and the number on your notice starts to make sense. It was not a random selection. It was a calculation based on data you generated, and it is on you to prove them wrong.

What That Means for Your Opening Position

Most owners walk in thinking they have leverage: records, explanations, willingness to cooperate. What they do not fully appreciate is that DTF has already formed a view of what you owe. The auditor at that point is there to support that position, not look for reasons the original calculation was wrong.

Your defense is not explaining the gap. It is challenging how DTF built the gap: the data source, the comparison period, which transactions got treated as taxable when they should not have been. More importantly, it is not providing extraneous documents that create confusion and ultimately make the assessment bigger.

If you have received a DTF notice, contact audit defense counsel before you respond. Our attorneys have handled hundreds of these cases, and the single most reliable factor in a better outcome is representation before that first response goes out.

The Two Triggers DTF Uses Against Restaurants Specifically

The Exempt Ratio Problem

Restaurants have legitimate exemptions that can reduce a taxable discrepancy: tips, comp meals, employee meals, food-for-resale purchases. If it is reported as exempt on the return, you will have to defend it. It is a legitimate way to start chipping away at that 1099-K gap.

However, many restaurants either report sales that do not reconcile to their 1099-K data or inflate their reported exempt sales. DTF already knows the answer. Over several decades, imagine the database of restaurant sales tax returns New York has assembled. Whether you are a restaurant, tavern, caterer, or anywhere in the food space, DTF knows the expected sales, purchases, and exempt ratios. If you fall outside the expected range, you can expect an audit notice.

On the flip side, if you have legitimate exempt sales that knocked you out of range, proving it on audit is a heavy lift. The auditor will typically sample a month or quarter and compare errors against what was filed. Doing the legwork first and identifying your good versus bad periods is important, because it can drastically change the audit results.

Tax Collected But Not Remitted

A sales tax audit is a problem to be taken seriously. Within the world of sales tax, however, nothing is more serious than tax collected but not remitted. Under NY Tax Law § 1801(a)(5), willfully failing to remit collected sales tax starts as a class E felony. New York's legal position is explicit: that money is not yours. It is government money held in trust from the moment a customer pays it.

While it is not an everyday occurrence, New York regularly pursues criminal liability on sales tax collected but not remitted. If you have received a call or letter from a criminal investigator, treat it as a call from the police and get counsel involved immediately. On audit, properly handling the records around taxes collected can keep a case from turning into a criminal matter.

If your restaurant has collected sales tax that was not remitted to DTF, contact Sales Tax Legal before you respond to any notice. This is manageable with the right approach. It becomes less manageable the longer you wait to get counsel.

Personal Liability: When the Audit Follows You Past the Business

How Responsible Person Liability Works in New York

If the entity cannot pay, DTF does not write off the balance. Under NY Tax Law §§ 1131(1) and 1133(a), DTF can assess responsible persons individually for the full amount the business owes. In most audits, DTF will assess the individuals to ensure future collection.

From a legal perspective, personal liability can be imposed on those who have control over financial decisions. A managing partner who ran the financial side qualifies, as does an owner who kept authority but handed off operations. In reality, the state will assess anyone with an ownership interest, who signs a return, or who signs a check, and let the business sort it out later. Each can be held jointly and severally liable for the entire assessment.

I have seen this happen months after a restaurant closes. The principals assume the matter ended with the business. Personal Notices of Determination arrive. The business is gone but the liability is not.

The Independent 90-Day Clock

DTF issues Notices of Determination to responsible persons separately from the entity notice. Each carries its own 90-day appeal clock running from the mailing date of that specific notice. An owner with all their attention on the entity-level assessment can let their personal deadline slip by unnoticed and default it. If you have received a personal notice, that clock is running right now.

See our post on New York Notice of Determination appeals for a full breakdown of your options. The 90-day window is the most important deadline in the case. Missing it is not recoverable.

The First 30 Days: What to Do and What Not to Do

Do Not Overprovide

The instinct is to cooperate fully: call DTF, explain the situation, send whatever they ask for and then some. That instinct is expensive. DTF auditors are trained to look for additional issues in records they were not originally requesting. Every document you produce beyond what the notice asks for is a potential source of additional liability that did not exist before you created it.

The audit notice says what DTF wants. Some of it is required. Much of it is overreaching. The auditor is not on your side. Even when they come across as friendly, be careful. The job is assessing additional tax, and overproviding increases liability and hands DTF material they can use against you.

Do not call DTF to explain the discrepancy before speaking with an attorney. Do not contact a sales tax investigator without representation. Seemingly small decisions, like providing the wrong records or agreeing to a sampling period without understanding what it commits you to, can be very difficult to undo as the audit and appeal develops. Our post on New York sales tax sampling agreements covers what a signed agreement actually binds you to.

Work With a Professional Before You Respond

The first 30 days in a New York restaurant audit shape the outcome more than anything that follows. Documents produced, positions taken, sampling periods agreed to: none of those decisions are undoable. I have worked with owners who came to me after that window passed, and unwinding what they had already conceded cost more than it would have to start right.

In my experience, cases handled correctly from the beginning, with methodology challenged and penalty abatement pursued where the facts support it, have resolved for substantially less than the original assessment. The owners who end up paying the most are the ones who went 30 days without representation.

Call Sales Tax Legal before you respond to DTF. The first conversation costs you nothing. What you say to DTF in the next 30 days might.

Frequently Asked Questions

Why did New York DTF audit my restaurant?

The most common reason is a discrepancy between the credit card revenue your processor reported on your 1099-K and what you reported as gross sales on your sales tax returns. DTF receives 1099-K data and runs a comparison against filed returns. A gap in those numbers is frequently enough to open an audit without any other trigger. For more on what brings DTF to the door, see our post on what triggers a New York sales tax audit.

What happens if my restaurant collected sales tax but did not remit it to DTF?

This is the most serious situation in a New York restaurant audit. Under NY Tax Law § 1801(a)(5), willfully failing to remit collected sales tax is a class E felony. New York treats that money as government funds held in trust from the moment it is collected. Criminal prosecution, fines, and imprisonment are all possible outcomes. Contact a sales tax attorney before you respond to any DTF communication if this describes your situation.

Can DTF come after me personally for my restaurant's sales tax debt?

Yes. Under NY Tax Law §§ 1131(1) and 1133(a), DTF can assess responsible persons individually and collect the entire balance from any one of them. The legal standard is control over the financial operations of the business, not what your title says. An owner, managing partner, or general manager with authority over financial decisions can each be personally assessed for the full amount.

Should I respond to DTF on my own or hire an attorney?

The first 30 days are the most consequential part of the audit. What you produce, what you agree to, what you say to the auditor: it all compounds forward. Responding without professional guidance leads to worse outcomes the large majority of the time. Contact Sales Tax Legal before you respond to DTF.

How much of a NY restaurant sales tax assessment can be reduced?

There is no guaranteed amount. Cases where the methodology is challenged from the start, the exempt ratio is properly documented, and penalty abatement is pursued where the facts support it have resolved for substantially less than the original number. The 1099-K comparison DTF uses has vulnerabilities: it typically does not account for tips reported gross by processors, exempt transactions embedded in card totals, or changes in your sales mix across the audit period. The owners who end up paying the most are the ones who went 30 days without representation.

What is the 90-day deadline in a New York sales tax audit?

After DTF issues a Notice of Determination, you have 90 days from the mailing date of that notice to file an appeal. The clock runs from the date DTF sent it, not the date you received it. Miss that deadline and the assessment becomes final and collectible. Responsible persons who receive individual notices each have their own separate 90-day clock. More detail on the New York Notice of Determination appeals process is on our site.

What is a responsible person and can I be personally liable for my restaurant's sales tax?

Under NY Tax Law §§ 1131(1) and 1133(a), DTF can assess individuals personally for a business's unpaid sales tax. The standard is control over financial operations, not job title. That liability does not disappear when the business closes. DTF issues personal Notices of Determination months after restaurants shut down.

At Sales Tax Legal, New York sales tax defense is what we do.

The first 30 days define the case. If you have received a DTF notice, the time to get counsel is before you respond.

About the Author

Gerald J. "Jerry" Donnini II is a sales tax defense attorney and the founder and managing attorney of Sales Tax Legal. Over a 15-year career, he has represented businesses in more than 5,000 sales tax audits, appeals, and state tax proceedings across 40-plus states and has saved clients more than $500 million in sales tax assessments. He holds an LLM in Taxation from New York University, is co-author of a CCH treatise on state sales and use tax, and serves as an adjunct law professor. Jerry is licensed in Florida and the District of Columbia and handles matters in additional states through a network of experienced of-counsel attorneys. His practice is focused exclusively on sales tax controversy: audits, assessments, administrative appeals, and litigation.

Attorney Advertising. Prior results do not guarantee similar outcomes. Sales Tax Legal is a law firm. Gerald J. Donnini II is licensed to practice law in Florida and the District of Columbia. New York matters are handled by one of our attorneys licensed to practice in New York. Results may vary based on specific facts and legal circumstances.

This article is provided for general informational purposes only and does not constitute legal, tax, or accounting advice. New York sales tax laws are complex and subject to change. Contact Sales Tax Legal or a qualified tax professional for guidance specific to your situation.