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Two Sets of Books and a 75% Fraud Penalty: A Warning for Closely Held Owners

A California machine-shop owner ran more than 400 checks for his personal expenses through his own company, from home renovations to a boat to a Ferrari lease, and never reported a dollar of it as income. On July 28 the Tax Court sustained a civil fraud penalty against him for four straight years. The case, Prezioso v. Commissioner, is worth ten minutes for anyone who owns the business they run, because the line it draws between an aggressive deduction and tax fraud is not the spending. It’s the concealment.

What the Tax Court decided

Walter Prezioso ran GSP Precision, an aerospace parts maker his father helped start in 1983. By the mid-2000s he held a quarter of the stock, controlled the checkbook, and was the only signature the company needed on a check. Starting in 2007 GSP began paying his personal bills. The board authorized a short list of perks, a leased car, insurance, some meals. What actually went out the door was much larger: personal credit cards, a home-equity line, landscaping, a tennis court, a pool contractor, audio-visual gear, boat and RV loans. Across 2009 through 2012 the company cut more than 400 checks for Walter’s personal expenses, and in three of those four years the personal spending exceeded the losses GSP reported on its Form 1120.

None of it showed up on a W-2 or a 1099. Walter and his wife filed joint returns that reported his salary and left everything else off. In December 2023 the IRS issued deficiency notices for 2009 through 2013 with civil fraud penalties attached. The couple conceded the tax for every year and conceded the fraud penalty for 2013, which left the Tax Court one question: were the underpayments for 2009 through 2012 due to fraud? The court held that they were, and it sustained the penalty under Internal Revenue Code section 6663 for all four years.

The part that turned a tax bill into fraud

Here’s what moved this from a bad audit to a fraud finding. Walter kept two sets of books. One set, the internal charts he showed the other shareholders, disguised his personal spending by writing false payee names into the accounting software, usually the names of real GSP vendors. Two checks to “Chase Card” for his own credit cards were booked as payments to Cowan Precision Grinding and Quality Heat Treating. Other personal charges were logged as Harvey Titanium or Titanium Industries. When GSP paid a real vendor and Walter’s personal bill in the same month, he’d record the business check correctly and rename the personal one.

The second set, the accountant charts he sent his outside CPA each month, had the payee names changed back to the truth. After the CPA exported them, Walter changed the names back to the fake ones in the software. He also moved the expense codes around, tagging personal items as equipment repair, then as material purchases or outside processing, so they landed in cost of goods sold and were capitalized on the corporate return. That’s the machinery the court cared about. Keeping a second set of books is circumstantial evidence of fraud even when the fake set was kept for a non-tax reason, and the court said so, citing a line of cases going back decades.

The Ferrari wasn’t the problem. On the lease application Walter listed his income two ways, “Verifiable $52,950” and “Actual $275,000,” and that one document did more damage than the car ever could. It proved he knew his real income was five times what his return showed. Spending company money on a boat isn’t fraud. Writing a titanium supplier’s name in the checkbook where the boat payment went is.

Why this should matter to anyone who owns the company they run

Most closely held businesses blur the personal and the corporate somewhere. An owner puts a phone on the company card, expenses a dinner that was half social, drives a company car on weekends. Those are ordinary questions we sort out every year, and the answer is almost never a penalty. It’s a reclassification: treat the personal slice as compensation or a distribution, report it, pay the tax. A corporation’s payment of a shareholder’s personal expense is income to the shareholder, as the IRS spells out for corporations, whether you call it wages or a constructive dividend. The tax gets paid either way.

What the IRS has to prove to turn that into fraud is intent, and intent is hard to see directly, so the courts look for badges of fraud, the circumstantial tells: understating income year after year, keeping poor or double records, giving implausible explanations, hiding assets, misleading your own preparer. Walter hit most of them. The uncomfortable part for a business owner is how normal the starting point was. He ran personal expenses through the company, which half our clients have done at some point. The distance he traveled from there, the fake names, the code swaps, the second ledger, is what the court punished, and it’s a distance you can walk without ever deciding to commit a crime.

One more detail that gets missed. Fraud has no statute of limitations. That’s why the IRS could open 2009 with a notice mailed in 2023, fourteen years later. A clean return closes after three years and you can forget about it. A fraudulent one never closes, and the 75% penalty rides on top of the tax and the interest that compounded the whole time.

Who this reaches

Owners who run personal spending through the business

If your company pays for things that are really yours, the fix is boring and cheap: book them as owner compensation or a shareholder distribution, report them, and pay the tax on them. That’s it. Done in the open, the same Ferrari is a lousy financial decision and a fully legal one. The danger isn’t the perk, it’s the instinct to hide the perk so the return shows a loss. We’d rather have the conversation about what your reasonable compensation should be than defend a coding decision later. That work lives inside tax strategy and consulting and clean bookkeeping, and it’s a lot less expensive than a fraud case.

Owners who sign the return without reading it

Walter’s defense was that he didn’t know the payments were taxable and thought his CPA was handling it. The court called that willful blindness. He signed corporate returns he admitted he never really reviewed, while running a bookkeeping process he knew was irregular. Signing a return you didn’t read is not a shield. You can rely on a preparer, but you can’t feed the preparer bad information and then point at the preparer when it blows up. If your corporate return is something you sign without understanding, that’s a gap worth closing before an examiner finds it.

Married owners who file jointly

Kimberly Prezioso didn’t keep the books, didn’t rename the checks, and the court made no finding that she took part in any of it. She’s still on the hook for the full tax and the full fraud penalty, because they filed jointly and a joint return makes both spouses liable for the whole thing under section 6013(d)(3). Innocent-spouse relief exists, but it’s a separate, uphill fight, and it isn’t automatic. For couples where one runs a business the other isn’t involved in, that exposure is worth understanding before there’s a problem, not after.

What to watch in cases like this

Two procedural points carried weight and will keep showing up. The penalty needed written supervisory approval before it was assessed, and the IRS produced the signed approval form dated July 9, 2021, clearing that requirement. Owners sometimes hear that a penalty can be knocked out on the approval technicality. It can, when the IRS botches the paperwork, but it’s not a plan, and here the agency did it right. The other point is the honest-mistake defense. It almost never survives contact with a documented pattern. A single misclassified expense reads as a mistake. Four hundred checks, two ledgers, and a lease application admitting your real income reads as a choice.

The reason to write about a fraud case at all, when almost none of our clients are anywhere near it, is that the facts here are just the ordinary owner mistakes turned up to full volume. Reading the extreme version is the cheapest way to see where the ordinary version points.

How The Reed Corporation works with clients on this

For owners of closely held companies, we treat the personal-and-business line as something to settle out loud and on the return, not to bury in the coding. That means setting reasonable owner compensation, running personal-use items through payroll or distributions where they belong, and keeping one honest set of books that the return actually matches. When a client already has an examination open or a notice in hand, we handle the response through IRS audit and notice assistance rather than letting an owner freelance answers to a revenue agent. Most of what we do here is for business owners who want the aggressive-but-legal version of a decision, and there’s almost always one available. If a fraud penalty is what you’re staring at, the earlier we’re in the room the better. For the broader thread of penalty cases we’ve written about, the easement valuation penalty in Piton Holdings is the other end of the same story: the tax was one fight, the penalty was the expensive one.

Frequently Asked Questions

What was the Prezioso case actually about?

Walter Prezioso owned and ran GSP Precision, a California aerospace parts maker, and had the company pay more than 400 checks for his personal expenses from 2009 through 2012, from home renovations to a boat to a Ferrari lease. None of it was reported as income on a W-2, a 1099, or his joint return. The IRS assessed civil fraud penalties, and in T.C. Memo. 2026-63, decided July 28, 2026, the Tax Court held the underpayments were due to fraud. What sank him was not the spending but the concealment: he kept two sets of books, entered false vendor names for his personal checks, and manipulated the expense codes so the personal items disappeared into cost of goods sold on the corporate return.

Is it illegal for my company to pay my personal expenses?

No. A company paying an owner’s personal expense is a normal event. It just has a tax consequence: the payment is income to the owner, treated as compensation or as a constructive dividend, and the tax has to be paid on it. Do it in the open, report it, and there is no penalty and no crime. The problem in Prezioso was that the payments were hidden rather than reported, so the corporation deducted them as business costs and the owner never picked them up as income. The rule to remember is simple. Personal use of company money is fine as long as it rides through payroll or a distribution and lands on a return. Burying it is where trouble starts.

How large is the civil fraud penalty?

Under Internal Revenue Code section 6663, the civil fraud penalty is 75% of the portion of the underpayment that is attributable to fraud. It sits on top of the tax you owe and the interest that accrues on both the tax and the penalty. Because interest compounds, an old year can more than double by the time it is resolved. There is a second sting: a fraudulent return has no statute of limitations, so the IRS can reach back many years. In Prezioso the deficiency notices for the 2009 tax year were issued in December 2023. A clean return, by contrast, generally closes three years after filing.

What are the “badges of fraud”?

Because the IRS rarely has a confession, courts infer fraudulent intent from circumstantial signs known as badges of fraud. The IRS lists them in its own manual, and they include understating income year after year, keeping inadequate or double records, giving implausible or inconsistent explanations, concealing income or assets, misleading your return preparer, and offering testimony the court finds not credible. No single badge decides a case, but several together are persuasive. Prezioso collected a stack of them: the double ledger, the false payee names, the willful blindness to his own returns, and a lease application admitting his real income was five times what he reported.

My spouse handled none of the business. Are they still liable?

If you filed a joint return, yes. Under section 6013(d)(3), spouses who file jointly are each liable for the entire tax and any penalties, regardless of who earned the income or made the error. In Prezioso the court made no finding that Kimberly took part in the fraud, and she is still responsible for the full tax and the full 75% penalty. There is a path called innocent-spouse relief, but it is a separate request with its own requirements, and it is far from guaranteed. For couples where one runs a business the other has no hand in, it is worth understanding this exposure early rather than discovering it inside a notice.

How do I keep an aggressive deduction from looking like fraud?

Keep one set of books, report what is real, and tell your preparer everything. An aggressive position that is disclosed and defensible is ordinary tax practice. The same position hidden behind a false vendor name is what draws a fraud finding. Practically, that means running owner perks through payroll or a documented distribution, setting reasonable compensation instead of taking value silently, and signing a return you have actually read. If you are not sure whether something crosses a line, that is exactly the question to bring us before you file. We would rather structure the legal version of a decision than defend a coding choice to an examiner two years later.

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