Is a refund of a business expense taxable?

The rule in Publication 334

The publication lists this under Other Income in chapter 5: if you recover a bad debt or any other item deducted in a previous year, include the recovery in income on Schedule C. The reasoning is symmetrical. You took a deduction that lowered your taxable income, then got the money back. Leaving the recovery out would let you keep a deduction for a cost you no longer bore.

The rule covers more than bad debts. A vendor refunding a deposit you expensed, an insurer returning part of a premium you deducted, a supplier crediting back a prior-year overcharge, a state refunding a tax you deducted: each is a recovery of an item previously deducted. Timing follows your accounting method. A cash-method business generally reports the refund when it receives it; an accrual-method business reports it when its right to the refund is fixed.

The tax benefit exception

The publication gives one exception, usually called the tax benefit rule. If all or part of the earlier deduction did not reduce your tax, you can exclude that part of the recovery. If you exclude part, you must include with your return a computation showing how you figured the exclusion. Publication 334 gives no formula for the exclusion, only the requirement to attach your computation.

The idea is simple: include the recovery only to the extent the deduction saved you tax. If the earlier deduction was made in a year when you had a loss that was not used, or income so low that you owed nothing either way, the deduction produced no benefit and its recovery is not taxable. The calculator uses the lesser of the recovery and the amount of benefit you enter, which matches that idea, but working out the benefit amount can involve losses, credits and carrybacks and carryforwards, so use it as a check rather than a conclusion.

Worked example

In 2024 you deducted $4,000 of prepaid supplier fees. Because of other losses that year, only $2,500 of that deduction actually reduced your tax. In 2025 the supplier refunds the full $4,000. You include $2,500 in 2025 income on Schedule C and exclude $1,500, attaching a computation. Enter 4000 and 2500 in the calculator: it returns $2,500 and $1,500.

Compare a straightforward case: you deducted a $900 service fee in 2024 and every dollar reduced your tax. A $900 refund in 2025 is fully income. At the 15.3 percent self-employment tax rate in the same publication, including it costs up to about $138 of SE tax before income tax; that figure is an illustration, not a prediction.

What is not covered by this rule

Depreciation. The publication says this rule does not apply to depreciation, which you recover under the recapture rules instead: if business use of listed property falls to 50 percent or less, or section 179 property drops to 50 percent or less, you include part of the earlier deduction in income, using Part IV of Form 4797. Selling depreciable property at a gain can also produce ordinary income from recapture.

Refunds of expenses you never deducted are not income. If you paid a $500 supplier invoice with a personal card and never deducted it, and the supplier refunds it, the refund is not a recovery of a deducted item. Sales returns and allowances you give your own customers are a different topic and reduce your gross sales. Kickbacks you receive are income, unless you properly treat them as a reduction of a related expense item, a capital expenditure or cost of goods sold.

A step-by-step way to handle a recovery

First, find the year of the original deduction and confirm that you actually deducted the item; the supplier invoice alone does not tell you. Second, decide how much of that deduction reduced your tax. If your return that year showed a healthy profit and the deduction simply lowered it, the answer is the whole deduction. If you had a loss, credits, or a very low income, the benefit may be less, and this is where the exclusion applies. Third, report the included amount on Schedule C as other income in the year you receive the recovery, not by amending the earlier return. Fourth, if you exclude any part, write out the computation and attach it to the return, as the publication requires.

A common bad-debt version of this: you deducted a $3,000 unpaid invoice as a bad debt in 2024, the deduction fully reduced your tax, and in 2025 the customer pays $1,200 of it. The $1,200 is a recovery of a bad debt you deducted, so it is Schedule C income in 2025. If the customer pays the whole $3,000, the whole $3,000 is income. Keep a record of the original deduction year and amount so the computation can be reproduced.

Limits of this page

Publication 334 states the tax benefit exclusion in two sentences, so a preparer should confirm the computation. For bad debts you recover after a deduction, see are business bad debts deductible.

Sources

• IRS Publication 334, Tax Guide for Small Business (2025): Other Income, Recovery of items previously deducted, in chapter 5. Page last reviewed or updated by the IRS April 30, 2026. Read November 2, 2026.

Edition read: Publication 334 (2025), for use in preparing 2025 returns. Dollar limits and thresholds quoted on this page are for 2025 and can change; check the current publication and form instructions for your tax year. This page summarizes the publication and does not replace it. Marked for human review.