What Is Other Income on Form 1099-MISC (Box 3)?

Box 3 of Form 1099-MISC, labeled “Other Income,” is where a payer reports taxable payments of $600 or more that don’t fit any other box on the form and aren’t compensation for services you performed. In plain terms, 1099-MISC Box 3 other income covers things like contest prizes, taxable legal settlements, tribal per capita distributions, and payments made to a deceased employee’s beneficiary. Most of it goes on Schedule 1 of your Form 1040 as ordinary income and isn’t subject to self-employment tax.

What Kinds of Payments Land in Box 3

The IRS tells payers to use Box 3 for any reportable payment of $600 or more that doesn’t belong in one of the form’s other designated boxes.¹ A few categories show up here again and again:

Prizes and awards not tied to services you performed, such as sweepstakes winnings, raffle prizes, or cash awards from a contest.
Taxable legal settlements. Damages for something other than physical injury or physical sickness are taxable, including emotional distress awards beyond the amount you paid for related medical care, and punitive damages.²
Payments to a deceased employee’s beneficiary or estate. When wages or similar amounts are paid after the employee’s death, the payer reports them here rather than as nonemployee compensation.³
Tribal per capita distributions, including gaming profits distributed to members.⁴
Other miscellaneous taxable payments the IRS requires reported but that have no dedicated box, such as jury duty fees at or above the threshold and certain taxable research grants.

The connecting thread is that these are not payments for services you performed as a contractor. Payments for services belong on Form 1099-NEC and are taxed differently.

Where Box 3 Income Goes on Your Tax Return

Most Box 3 income is reported on Schedule 1 (Form 1040), Part I, Line 8z, the catch-all “Other Income” line. You have to briefly identify the source, for example “contest prize” or “legal settlement.” The amount flows into your total income and is taxed at your ordinary federal and state income tax rates.⁵

No self-employment tax applies to Box 3 income reported this way. A sweepstakes prize, an emotional distress settlement, or a tribal per capita payment is taxed only as ordinary income. There is no 15.3% self-employment surcharge on top.

When Box 3 Income Belongs on Schedule C Instead

The payer’s box choice is not the last word. The recipient instructions on Form 1099-MISC tell you: “If it is trade or business income, report this amount on Schedule C.”⁵ That reclassification is your call.

Take a freelance photographer who wins a cash prize in a photography competition. Because photography is their trade, they can reasonably treat the prize as business income. Moving it to Schedule C subjects it to the 15.3% self-employment tax (12.4% for Social Security and 2.9% for Medicare), but it also lets them deduct related business expenses against the income.⁶

When you do move Box 3 income to Schedule C, the net earnings flow to Schedule SE for the self-employment tax calculation. You can deduct half of your self-employment tax on Schedule 1, Line 15, which reduces your adjusted gross income whether or not you itemize.⁷

The rule of thumb: if the income has nothing to do with what you do for a living, keep it on Schedule 1 as other income. If it’s connected to your trade or business, treat it as Schedule C income and use your expenses to offset it.

Estimated Tax on Box 3 Payments

Nothing is automatically withheld from most Box 3 payments. If you expect to owe $1,000 or more in total tax after subtracting withholding and credits, the IRS expects quarterly estimated tax payments.⁸

The quarterly due dates for tax year 2026 are:

April 15, 2026, for income earned January through March.
June 15, 2026, for income earned April through May.
September 15, 2026, for income earned June through August.
January 15, 2027, for income earned September through December.

A one-time Box 3 payment doesn’t require you to spread payments across all four quarters. You can send a single estimated payment for the quarter in which you received the money. Missing a deadline triggers an underpayment penalty that accrues interest, so it’s worth marking the date even for a single unexpected payment.⁹

Backup Withholding in Box 4

Sometimes tax has already been taken out before the payment reaches you. If Box 4 of your 1099-MISC shows an amount, that’s federal income tax withheld through backup withholding at 24%. For 2026, backup withholding applies when a payer has made aggregate reportable payments of $2,000 or more under certain provisions and the recipient hasn’t provided a correct taxpayer identification number.¹⁰ The threshold used to be $600.

You claim the Box 4 amount as a credit on your return, which reduces what you owe or increases your refund. Backup withholding isn’t an additional tax. It’s tax collected early.

What Happens If You Leave Box 3 Income Off Your Return

Every 1099-MISC filed by a payer goes to both you and the IRS. The IRS runs an automated matching program that compares payer filings against your return. When the numbers don’t line up, you’ll receive a CP2000 notice proposing additional tax plus interest calculated from your original return’s due date.¹¹

You have 30 days to respond (60 if you’re outside the country). Agreeing and paying within that window stops additional interest from piling up. Ignoring the notice leads to a Statutory Notice of Deficiency, after which the amount is assessed and collection can begin.

On top of the tax and interest, the IRS can apply a 20% accuracy-related penalty on the underpaid amount if the omission is deemed negligent.¹² A forgotten $5,000 prize can cost you the ordinary income tax plus another 20% on the underpayment.

Fixing a Wrong or Missing 1099-MISC

If the payer used the wrong box, listed the wrong amount, or sent you a form for money you never received, contact the payer first and ask for a corrected form. The reissued version will have the “CORRECTED” box checked at the top.¹³

If the payer won’t cooperate, call the IRS at 800-829-1040 after the end of February. Have your Social Security number, the payer’s name and address, and the details of the dispute ready. The IRS will contact the payer on your behalf.

Timing matters. Payers must furnish your 1099-MISC by January 31 following the tax year.¹ If you expected one and it hasn’t arrived by mid-February, start asking. And if you’ve already filed and then receive a corrected 1099-MISC that changes your income, you’ll need to file Form 1040-X to amend the return.¹³

1
Internal Revenue Service. Instructions for Forms 1099-MISC and 1099-NEC (04/2025)
2
Office of the Law Revision Counsel. 26 USC 104 – Compensation for Injuries or Sickness
3
Internal Revenue Service. Instructions for Forms 1099-MISC and 1099-NEC (Rev. April 2025)
4
Internal Revenue Service. Reporting Tribal Per Capita Distributions on Your Tax Return
5
Internal Revenue Service. Form 1099-MISC (Rev. April 2025) – Instructions for Recipient
6
Internal Revenue Service. Self-Employment Tax (Social Security and Medicare Taxes)
7
Office of the Law Revision Counsel. 26 USC 164 – Taxes
8
Internal Revenue Service. Estimated Taxes
9
Internal Revenue Service. Estimated Tax
10
Internal Revenue Service. Publication 15 (2026), (Circular E), Employer’s Tax Guide
11
Internal Revenue Service. Topic No. 652, Notice of Underreported Income – CP2000
12
Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments
13
Internal Revenue Service. What to Do When a W-2 or Form 1099 Is Missing or Incorrect