How an accountable plan lets a business reimburse owners and employees tax free, the three conditions that keep it that way, and the fraud case that shows what the opposite of a plan looks like.
By Samuel Ortiz, CPA, CVA · Last updated August 23, 2026
An accountable plan lets a business reimburse employees and owner employees for business expenses without the reimbursement counting as taxable wages, and it stands on three conditions: a genuine business connection, adequate substantiation with records, and the return of any excess advance within a reasonable time. When those conditions are missing the payments are wages at best, and when the books are arranged to hide them the question stops being about wages entirely.
Every business has costs that get paid personally by the people who work in it, the mileage on a client visit, the software subscription on a personal card, the supplies picked up on the way to a job, the travel booked in a hurry, and an accountable plan is the ordinary, fully legitimate arrangement that pays those costs back without turning the repayment into payroll. A reimbursement made under a qualifying plan is excluded from the recipient’s wages entirely, no income tax, no Social Security or Medicare tax on either side, while the business deducts the underlying expense, which is exactly how a cost that belonged to the company all along ought to land.
The arrangement stands on three conditions, and all three come straight from Treasury Regulation 1.62-2. The expense has to have a business connection, meaning it would qualify as a deductible business expense incurred in performing services for the company rather than a personal cost wearing a work shirt. It has to be substantiated, meaning records made at or near the time, the amount, the date, the place, and the business purpose, submitted within a reasonable period rather than reconstructed when someone asks. And any advance beyond what the records support has to come back within a reasonable time, because money the company handed out that never matched a documented expense is not a reimbursement, it is just money. The regulation judges the arrangement by how it operates, not by what anyone calls it.
What a defensible setup looks like is not complicated. A written plan the company adopted, expense reports filed on a routine with the receipts attached, reimbursements that match the reports to the dollar and run separately from wages, and personal spending kept entirely out of the company’s accounts. None of that is expensive, all of it has to exist before an examination starts, and the discipline itself is the strategy: a reimbursement made routine is bookkeeping made honest, and the record it leaves is what makes the tax treatment hold.
More than 400 checks. That is how many times GSP Precision, an aerospace manufacturer in California, paid for the personal life of Walter Prezioso, the man who ran it, across the years the Tax Court examined in Prezioso v. Commissioner, a memorandum decision issued in July 2026. It did not begin lawlessly. The board signed off on some of what he received, a leased vehicle, insurance, a credit card for meals and customer entertainment, which is roughly the territory a real reimbursement arrangement might have covered. What the company actually paid went a great deal further, reaching his personal credit cards, home renovations, landscaping, a tennis court, a pool, audio equipment, and the loans on his boat and his recreational vehicle, and in most of the years at issue those personal payments were larger than the losses GSP was reporting to the IRS. None of it ever landed on a W-2 or a 1099, none of it was taxed, and his defense was that he simply did not realize any of this counted as income.
What sealed the case was the bookkeeping. He kept one set of records that hid the personal checks under the names of real company vendors, and a second, cleaned up set that went out to the outside accountant each month. The court found civil fraud and imposed the 75 percent penalty for the years in dispute, and the lesson for any owner who runs personal costs through a business is that intent tends to show up in the paper trail long before an auditor ever does.
The distance between that case and an accountable plan is the entire subject of this page. A plan is not a device that changes what an expense is, it is the discipline that proves what an expense always was, a business cost, incurred for the company, documented at the time, reimbursed to the dollar, and recorded under its own name in one honest set of books. Prezioso is what the absence of that discipline looks like at its far end, and the reimbursement that holds is the one whose record never lets the question come up. The full walkthrough of the decision lives in the Prezioso case brief for anyone who wants the record in detail.
Ideas do not change your tax number, implementation does, and implementation is books kept current, records made at the time rather than reconstructed later, elections filed on time, and every position reported the way the return will one day have to defend it. That is the year round work a strategy actually requires, and on the strategies we implement we stand behind that work with audit defense. Reading about a strategy is step zero. The record is what decides whether it holds.
It is an arrangement under Treasury Regulation 1.62-2 for a business to reimburse employees, including owner employees, for expenses they pay on the company's behalf. When the arrangement qualifies, the reimbursement is excluded from the recipient's wages, so it carries no income tax and no Social Security or Medicare tax, while the business deducts the underlying expense.
First, a business connection, meaning the expense would qualify as a deductible business expense incurred in performing services for the company. Second, substantiation, meaning records made at or near the time, with the amount, date, place, and business purpose, submitted within a reasonable period. Third, the return of any advance that exceeds the substantiated expenses within a reasonable time.
They are treated as paid under a nonaccountable plan, which makes them wages. They go on the W-2, income tax and payroll taxes apply, and the tax free character of the reimbursement is gone even when the underlying expense was a real business cost.
A personal expense is not a business expense at all, so no plan can turn it into one. When a company pays an owner's personal costs the payments are constructive income to the owner, and when the books are kept in a way that conceals them, as they were in Prezioso, the issue can move from unpaid tax to civil fraud with a 75 percent penalty.
The regulation judges the arrangement by how it actually operates rather than by whether it is written down, but a written plan, routine expense reports, and receipts are the evidence that the three conditions were met. For an owner employee, whose reimbursements get the closest look, the documented routine is the practical answer.
The strategies on this page are general, and your return is not. A Tax Position Review looks at your real numbers and gives you a written Snapshot of where you stand, the findings worth acting on, and what each one depends on.
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