To know if an IRS check is real, confirm through the IRS “Where’s My Refund” tool that a refund was actually issued to you, inspect the check for the Treasury’s built-in security features (watermark, color-changing seal ink, microprinting, and UV overprint), and run the check number through the Treasury Check Verification System before you deposit anything. Scammers rely on people skipping these steps and rushing to the bank.1https://www.irs.gov/refunds
Confirm the IRS Actually Sent You a Check
Start with the question that matters most: does the Treasury owe you money right now? Use the IRS “Where’s My Refund” tool at irs.gov/refunds or the IRS2Go app. You’ll need your Social Security number, filing status, and the exact refund amount from your return. The tool tells you whether a refund was issued and how it was sent.
If the tool shows your refund went out by direct deposit, a paper check in the mail is an immediate red flag. Most IRS refunds today go out electronically because it’s faster and harder to intercept. If you did request a paper check and one arrives around the expected timeframe, that’s a good start. If a Treasury check shows up that you weren’t expecting at all, treat it as suspicious until you’ve verified it through the steps below.
Security Features on a Genuine Treasury Check
Real Treasury checks are printed on specialized paper with several layers of anti-counterfeiting protection. The Department of the Treasury manages federal disbursements under 31 U.S.C. ยง 3321, and the physical checks reflect that.2https://www.law.cornell.edu/uscode/text/31/3321 Four features are worth checking directly.
Watermark
Every genuine Treasury check is printed on watermarked paper. Hold the check up to a light source and you should see “U.S. TREASURY” readable from both the front and back. If there’s no watermark, or if the watermark is visible without holding the paper to light, the check is counterfeit. This is the single easiest feature to check and the one fakers most often get wrong.
Bleeding Ink on the Treasury Seal
The Treasury seal sits to the right of the Statue of Liberty image on the check face. It’s printed with security ink that runs and turns reddish when moisture touches it. A drop of water on the seal of a genuine check produces a visible color change. On a counterfeit, the ink stays put. A damp fingertip is enough to test.
Microprinting
The endorsement line on the back of the check contains microprinted text reading “USAUSAUSA.” To the naked eye it looks like a plain line. Under magnification the individual letters become readable. Counterfeiters using standard printers can’t reproduce microprinting accurately, so on a fake the line typically appears as a solid stripe or a series of dots.
Ultraviolet Overprinting
Under a blacklight, a genuine Treasury check reveals an invisible pattern: four lines of “FMS” or “FISCALSERVICE” text, bracketed by the Fiscal Service seal on the left and the United States seal (eagle) on the right. The ink glows under UV light and cannot be photocopied, so any reproduction of a check will lack this feature entirely. If you have access to a blacklight, this is one of the most definitive tests available.
One caveat on the security features: not every one appears on every Treasury check. The Fiscal Service notes that most checks contain a “Secure Seal” with encoded information in a basket-weave pattern and a signature in the center, but this seal does not appear on all checks. A missing Secure Seal alone doesn’t mean the check is fake. Focus on the watermark, bleeding ink, and microprinting as your primary indicators.
Verify the Check in the Treasury Check Verification System
The Treasury Check Verification System (TCVS) lets you look up whether a specific check was actually issued by the federal government. You’ll need four pieces of information from the face of the check:
- The check number
- The check symbol (a shorter number printed near the check number)
- The exact dollar amount, including cents
- The issue date
Enter these at tcvs.fiscal.treasury.gov and the system cross-references the data against federal payment records. The result typically comes back immediately as either a match or a non-match. If you can’t access the portal online, you can also reach the Treasury Check Information System by phone at 855-838-0743.
One critical caveat catches people off guard: if the system returns no record for your check, that does not automatically mean the check is fake. New checks may not appear in the database right away, and checks older than 13 months drop out of the system entirely. A no-record result means you need to verify through other channels rather than assume fraud. If you enter everything correctly and get a clear non-match, that’s a strong signal to hold off on depositing.
Red Flags That Mark a Check as Fake
Scam checks often look impressive at first glance, but certain patterns give them away. The IRS warns that any communication is suspect if it is unexpected, rushes you, or pressures you for personal or financial information, and the same principles apply to physical checks.3https://www.irs.gov/newsroom/tax-scams-consumer-alerts
- You didn’t file a return or claim a credit. If you have no reason to expect money from the IRS, a check in your name is almost certainly fraudulent.
- The check comes with instructions. Legitimate Treasury checks never ask you to call a number to “verify” your identity, send a portion of the money somewhere else, or pay a fee to release additional funds. Those are textbook advance-fee scams.
- The amount doesn’t match. If you did file for a refund, compare the check amount to what the IRS “Where’s My Refund” tool shows. Even a small discrepancy is worth investigating.
- The check looks slightly off. Missing watermarks, blurry printing, or an unfamiliar bank routing number all suggest a counterfeit.
An Old Check Isn’t a Fake, but It Is Void
Federal Treasury checks carry the legend “VOID AFTER ONE YEAR” above the disbursing officer’s signature. Under the Competitive Equality Banking Act, any Treasury check not cashed within one year of its issue date is canceled. If you find an old refund check in a drawer and your bank rejects it, that doesn’t mean the check was ever counterfeit. You can start a refund trace through the IRS “Where’s My Refund” tool or call the IRS at 800-829-1954 to have the payment reissued.
Why It Pays to Verify Before Depositing
Banks are required to make deposited funds available quickly, which creates a dangerous window. You might see the money in your account within a day or two, spend some of it, and then discover a week later that the check bounced. At that point the bank reverses the deposit and you’re responsible for the full amount. This is how the overwhelming majority of check scams actually work: they exploit the gap between when funds appear available and when the check actually clears.
Beyond the clawed-back deposit, you’ll face a returned-item fee, and your account may be frozen while the bank investigates. If the reversal pushes your balance negative and you’ve already spent the money, you owe the bank the difference. In serious cases, the bank may close your account entirely. None of this requires you to have known the check was fake. The depositor bears the financial risk whether the deposit was intentional fraud or an honest mistake.
Reporting a Counterfeit Check
If you determine the check is counterfeit, don’t throw it away. Keep both the check and the envelope it arrived in; investigators need them to trace the source.
- Report IRS-related fraud through the Treasury Inspector General for Tax Administration at tigta.gov or by calling 800-366-4484. TIGTA handles cases where scammers impersonate the IRS.
- If the check arrived through the mail, report it to the U.S. Postal Inspection Service at uspis.gov/report or by calling 877-876-2455. Mail fraud is a separate federal offense.
- Forward any suspicious emails or digital communications that accompanied the check to phishing@irs.gov with “IRS” or “Treasury” in the subject line.
Receiving a fraudulent Treasury check you didn’t request can also signal that someone has your personal information and may attempt to file a tax return in your name. Reporting the check is worth doing even if you never came close to depositing it.