1099 and W-9 Penalty Calculator
Estimate the IRS penalties for late, missing or incorrect Forms 1099, and the 24% backup withholding you can owe when you pay a contractor without a W-9 on file.
Estimated penalties and liability
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How 1099 penalties work
Two separate penalties can apply to the same Form 1099. Section 6721 covers the copy you file with the IRS, and Section 6722 covers the copy you give the worker. Miss both, and you can owe both, per form. Both copies of Form 1099-NEC are due January 31 (the next business day if it falls on a weekend or holiday).
The penalty depends on how late you fix it
- $60 per form if you file or correct within 30 days after the due date.
- $130 per form if you file or correct after that, but by August 1.
- $340 per form if you file after August 1 or don't file at all.
- At least $680 per form for 2026 filings, and $690 for 2027 filings, with no annual cap, if the failure is intentional disregard. The penalty is the greater of that amount or 10% of the amount that should have been reported.
Each tier has an annual maximum, and it's lower for businesses with average annual gross receipts of $5 million or less over the three most recent tax years. Because the penalty drops sharply the sooner you act, the most expensive choice is usually to do nothing.
Missing or wrong taxpayer IDs
A 1099 with a missing or incorrect taxpayer ID can count as an incorrect return. You may avoid the penalty if you can show reasonable cause, which generally means you asked the payee for their taxpayer ID before paying them and, if you didn't get it, asked again. Keep a record of each request.
Backup withholding: the cost of a missing W-9
If a contractor doesn't give you a taxpayer ID, you're generally required to withhold 24% of reportable payments and send it to the IRS. If you don't, the IRS can hold your business liable for the amount you should have withheld. For 2026 payments, the reporting threshold rose to $2,000, and backup withholding follows it: it applies once a contractor's payments for the year are reportable. For 2025 and earlier, the threshold was $600.
The simplest fix is to make a complete W-9 a condition of the first payment. To check whether a payment needs a 1099 at all, use the 1099-NEC filing checker.
Common questions
Is it too late to file last year's 1099s?
No. Filing late still costs less than not filing, and filing before the IRS contacts you helps any request for penalty relief. Each month you wait can move you into a higher tier.
Can the IRS waive the penalty?
Possibly, if the failure was due to reasonable cause and not willful neglect, such as events beyond your control or a documented effort to get a taxpayer ID. A CPA or enrolled agent can help you request relief.
Do small errors on a 1099 trigger a penalty?
Not always. Under a safe harbor, a dollar amount that's off by $100 or less ($25 or less for tax withheld) generally doesn't have to be corrected, unless the payee asks for a corrected form.
Does this include state penalties?
No. Some states require their own copy of Form 1099 and charge their own penalties. Texas has no state income tax, so Texas businesses generally don't file state copies.
Want your I-9s and contractor files checked?
A records review for small employers is in the works: what's missing, what's expiring, and what to fix first. Email to be told when it opens. Don't attach any documents.
Rules last checked: October 1, 2026. Rates, deadlines and penalty amounts change; each page names its sources.
Spot an error or a rule change?
Email admin@employercheckup.com. Rates, deadlines and penalty amounts change, and corrections are made promptly.
Talk to a professional
For a decision about a specific worker, talk to an employment attorney or CPA. These tools estimate exposure and explain the rules; they don't decide individual cases.
An estimate for planning, not tax advice. Penalty caps apply per calendar year across all of a filer's information returns, so actual amounts can differ. Sources: 26 U.S.C. §§6721, 6722, 3406; Rev. Proc. 2024-40 (returns due in 2026); Rev. Proc. 2025-32 (returns due in 2027); IRS Publication 1281.