How much can one I-9 error cost?

How much is the fine, per form?

The fine range comes from the DHS inflation adjustment of January 2, 2025, under 8 CFR 274a.10. An OMB memo, M-26-11, cancelled the 2026 adjustment, so the 2025 figures remain in force through 2026. The range is $288 to $2,861 per form.

Read that again: per form, not per error. One form with three mistakes is one fine. Three forms with one mistake each is three fines. That is why the count of bad forms matters more than the count of mistakes.

Do the math for your own team. Ten forms at risk means $2,880 to $28,610. Fifty forms means $14,400 to $143,050. One hundred forms means $28,800 to $286,100. Most small businesses do not have 100 bad forms, but many have 10 or 20 they have never checked. At 50 forms, even the low end, $14,400, is nearly twice the Health Check's $7,500 starting price.

Why did the March 2026 change make it worse?

In March 2026, ICE moved more than 10 common errors from technical to substantive. Errors that used to get a 10-day fix window are now fines on the spot. A missing birthdate, a missing hire date, an undated Section 2: all substantive now. The fact sheet lists 28 categories.

Before March, a sloppy form was a chore. After March, the same form is a fine. Nothing about your hiring changed. The classification did. That is why employers who checked their I-9s in 2025 and found them fine need to check again.

What does an I-9 problem cost beyond the fine?

Fines are the floor, not the ceiling. An inspection pulls your team off real work. It creates a record that follows you into the next inspection. And a paperwork problem can open the door to a bigger one.

Hiscox studied 1,214 closed small business employment claims and reported in 2017 that 24 percent led to defense and settlement costs averaging $160,000, with an average of 318 days to resolve. That figure is from 2017, so treat it as a dated benchmark, not a current price. The direction is what matters: a claim that reaches defense and settlement is a six-figure problem that takes almost a year.

Then there is replacement. Gallup puts the cost of replacing one good employee at one-half to two times annual salary. SHRM puts it at 50 to 200 percent. If a dispute ends with a good person leaving, the fine is the smallest line on the bill.

What does an audit cost compared to a fine?

An internal audit takes a few hours for a small team. Pull every I-9, check Sections 1 and 2, correct mistakes the right way, and write a short memo. The corrections cost nothing but time, and the memo shows the next inspector that you run a real process.

Compare that to the alternative. One inspection, 20 bad forms, fines at the middle of the range: about $31,000. That is before disruption and before legal help. Prevention is far cheaper.

What do I check first?

Start with the errors that moved in March. Missing dates. Missing signatures. An undated Section 2. Then check the retention rule: keep each I-9 for 3 years after hire or 1 year after termination, whichever is later. Purging too early is its own violation, and keeping forms forever creates clutter that slows an inspection down.

Correct mistakes by drawing a line through the wrong entry, writing the correct information, and initialing and dating the correction. Never backdate. Never white it out. Never ask an employee for more documents than the form requires.

HR guidance, not legal advice.

What to do next

The common I-9 questions are answered in the FAQ below. If you would rather have someone run the audit for you, the Health Check starts from $7,500. Book a discovery call, and bring your questions.