Subcontractor provided fake W-9 with made up name and SSN - what are the consequences for me?
I'm in a sticky situation with one of my subcontractors. I asked him to fill out a W-9 form, and I'm pretty sure he completely fabricated the information. He put down a name that isn't his actual name and almost certainly made up a Social Security Number too. He signed the form and everything, but I know for a fact that's not his real name, so I'm assuming the SSN is fake as well. I think he's trying to avoid paying taxes on the income. What I'm worried about now is - what happens when I file my 1099 based on this fake W-9 information? Am I responsible for verifying that the information he provided is legitimate? Do I have any liability here? Who's going to face consequences when the IRS realizes the information doesn't match up to a real person? Will I be penalized for submitting incorrect information even though he's the one who falsified the document? I've paid him about $9,700 so far this year.
19 comments

Toot-n-Mighty
This is definitely a serious situation. You could potentially face penalties for filing an incorrect 1099 with the IRS, even though you weren't the one who provided false information. As a business owner, you do have some responsibility to ensure the information you're submitting to the IRS is accurate. The IRS typically requires businesses to obtain a W-9 from contractors and make a good-faith effort to verify the information. If you knowingly file a 1099 with information you believe to be false, you could be considered complicit in tax fraud. Your best course of action is to approach your subcontractor again and explain that you cannot process payments without a legitimate W-9. Let them know that providing false information on a W-9 is a federal offense that can result in penalties and even criminal charges. You might need to consider whether continuing your business relationship is worth the risk.
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Lena Kowalski
But how exactly are we supposed to verify W-9 info? I'm not the IRS, I don't have access to a database of all SSNs to check against. Is there some verification service business owners can use?
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Toot-n-Mighty
There's no public database where you can verify SSNs, which does make this challenging. The IRS offers a Taxpayer Identification Number (TIN) Matching Program for certain businesses that file information returns. You can apply for this through the IRS e-Services. For most small businesses, though, verification usually means ensuring the W-9 is fully completed, signed, and doesn't contain obvious errors like a SSN with too few digits. If you know the person is using a fake name, that's a red flag you can't ignore. You might also consider requesting to see identification that matches the name on the W-9, though this isn't strictly required.
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DeShawn Washington
I had a similar issue last year and found taxr.ai super helpful in figuring out my contractor documentation problems. I was totally confused about my responsibilities with incorrect W-9s and worried about potential penalties. The site analyzes all your tax documents and tells you exactly what's wrong with them - it flagged several issues with contractor forms I would have missed. I uploaded some questionable W-9s at https://taxr.ai and it immediately identified inconsistencies and gave me clear steps to resolve them. Saved me from what could have been a massive headache with the IRS.
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Mei-Ling Chen
Does it actually verify SSNs though? Like can it tell if an SSN is completely made up or belongs to someone else?
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Sofía Rodríguez
I'm curious how this actually works. I thought only the IRS had the ability to actually verify tax ID numbers. What kind of documentation did you have to provide to use the service?
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DeShawn Washington
It doesn't directly verify if an SSN belongs to a specific person - you're right that only the IRS can do that. What it does is check for obvious errors like incorrect formatting, impossible combinations, or duplicate numbers across your contractor forms. For your question about documentation, I just needed to upload the relevant tax forms like the W-9s and any 1099s I had already prepared. No special credentials required. It gives you a complete analysis of potential issues, highlighting things like missing information, inconsistencies between forms, and red flags that might trigger IRS scrutiny. It also explains your legal responsibilities as the payer in situations like this.
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Sofía Rodríguez
Just wanted to follow up about taxr.ai since I gave it a try after seeing it mentioned here. This tool actually saved me from a major headache! I uploaded some contractor forms I was suspicious about and it immediately flagged several potential issues. It showed me exactly what documentation I needed to request from my subcontractors and gave me templates for communications. Even pointed out a mismatch between a contractor's business name and their reported tax ID that I completely missed. Definitely worth checking out if you're dealing with contractor documentation issues.
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Aiden O'Connor
If your subcontractor is refusing to provide correct information, you might need to speak directly with the IRS. I've been there, and it's nearly impossible to get through to them these days. After sitting on hold for hours multiple times, I found Claimyr which got me to an actual IRS agent in about 15 minutes. You can check them out at https://claimyr.com - they basically navigate the phone system for you and call you back when they've got an agent on the line. I was super skeptical but you can see how it works in their demo at https://youtu.be/_kiP6q8DX5c. The IRS agent I spoke with gave me clear guidance on my contractor reporting obligations and what documentation I needed to protect myself.
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Zoe Papadopoulos
Wait, how does that even work? Sounds like some kind of scam to me. The IRS phone system is a nightmare by design.
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Jamal Brown
I've called the IRS dozens of times and never had luck getting through. How much does this service cost? Is it just passing your private info to overseas call centers?
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Aiden O'Connor
It's not a scam - they use an algorithm to navigate the IRS phone tree and essentially wait on hold for you. Instead of you wasting hours listening to the hold music, their system does it and then connects you once they reach a live agent. The service doesn't access your private tax information at all. They just get you connected to the IRS, and then you handle the actual conversation with the agent yourself. All they do is solve the phone connection problem, not deal with your tax issues. They never see or ask for your personal tax details - you discuss those directly with the IRS agent after you're connected.
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Zoe Papadopoulos
I was completely wrong about Claimyr. After posting that skeptical comment, I decided to try it anyway because I was desperate to talk to someone at the IRS about a similar contractor issue. It actually worked exactly as described. I had been trying for WEEKS to get through on my own with no luck. With their service, I got a call back in about 20 minutes with an actual IRS agent on the line. The agent clarified that I needed to send a backup withholding notice to my contractor who provided incorrect information. Wish I had known about this months ago!
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Fatima Al-Rashid
You need to issue what's called a "B Notice" to your contractor. This is an IRS backup withholding notice that essentially says "The info you provided doesn't match IRS records, fix it or I have to withhold 24% of your payments for federal taxes." You're required to start backup withholding if they don't provide a corrected W-9 within a certain timeframe. If the contractor refuses to provide correct info, you must start withholding 24% of all payments and send that money to the IRS. It sucks, but if you don't, YOU will be responsible for that 24% out of your own pocket plus penalties.
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Giovanni Rossi
But if I don't know their real SSN, how would I do backup withholding? Where would I send the money?
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Fatima Al-Rashid
You don't need their real SSN to do backup withholding. You would submit the funds to the IRS using the name and SSN/TIN that were provided on the W-9, along with Form 945 (Annual Return of Withheld Federal Income Tax). The IRS knows how to handle this situation - they'll attempt to match it to a real taxpayer, and if they can't, they'll still keep the withheld taxes. When you file your 1099-NEC, you would use the same information that was provided on the W-9, but you would indicate that backup withholding was applied. The important thing is that you comply with your legal obligation to withhold and remit the taxes, which protects you from liability.
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Aaliyah Jackson
I think people are overthinking this. Just tell your subcontractor that you can't pay them anymore without correct documentation. They'll either give you correct info or you stop using them. Pretty simple.
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KylieRose
Not that simple if you've already paid them $9,700 this year. The IRS is gonna want to know where that money went and will expect a 1099 to be filed.
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Ava Thompson
You're absolutely right to be concerned about this situation. When you file a 1099 with information you know or suspect to be false, you could face penalties even though you weren't the one who provided the fake information. The IRS holds payers responsible for exercising reasonable due diligence. Here's what I'd recommend: First, document everything - keep records of your attempts to get correct information from the contractor. Send them a written request for a corrected W-9, explaining that you cannot process further payments without accurate information. Give them a reasonable deadline (like 30 days). If they refuse or continue to provide false information, you have a few options: 1) Stop working with them entirely, 2) Begin backup withholding at 24% on future payments, or 3) Report the situation to the IRS directly. For the $9,700 already paid, you'll likely need to file the 1099 with whatever information you have, but include documentation showing your good faith efforts to obtain correct information. Consider consulting with a tax professional about your specific situation, as the penalties for knowingly filing false information returns can be substantial.
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