How to respond to IRS CP2100A notice when my 1099-NEC is actually correct?
I received a CP2100A notice about a week ago (dated October 15, 2023) regarding a 1099-NEC I issued to myself from my Sole Proprietorship. According to the IRS, there's an issue with my name on the form - apparently a letter is missing from my first name, and the first digit of my TIN is supposedly wrong. Here's the weird part though... when I look at all the carbon copies I have (Copy B for Recipient, Copy 2 for state filing, and Copy C for Payer), everything is 100% correct. Since these are carbon copies of Copy A that went to the IRS, I'm pretty sure the IRS is the one who made the data entry mistake, not me. The notice came from Philadelphia. Is there a specific way I should respond in writing? Should I just send a letter to the Philadelphia address with a copy of the 1099-NEC to prove the information was correct on my end? Is there a specific address or department I need to direct this to? I want to make sure this gets resolved properly since it was their error, not mine.
23 comments

Caleb Stone
The CP2100A notice is basically telling you there's a mismatch between the name/TIN combination on your 1099-NEC and what the IRS has in their system. Even if you're confident you submitted everything correctly, you still need to respond. You should respond to the exact address listed in the "What you need to do" section of your CP2100A notice. This is usually different from the return address on the envelope. Include a copy of your 1099-NEC (not the original) showing the correct information, and a brief letter explaining that the information was correctly submitted on your original form. Be sure to reference your notice number (CP2100A) and the date of the notice in your response. Also include your phone number in case they need to contact you for clarification.
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Daniel Price
Thanks for the info! Quick question - is there a specific timeframe I need to respond within? I've had the notice for about 2 weeks now and don't want to miss any deadlines. Also, should I send it certified mail so I have proof they received it?
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Caleb Stone
You should respond within 60 days of the date on the notice. The IRS typically gives this timeframe for CP2100A responses, but double-check your specific notice as instructions can sometimes vary. Yes, I would definitely recommend sending it via certified mail with return receipt requested. This gives you documentation of when it was received and by whom. Keep copies of everything you send, along with your certified mail receipt and return receipt as proof of your response.
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Olivia Evans
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Sophia Bennett
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Olivia Evans
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Aiden Chen
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Christopher Morgan
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Aurora St.Pierre
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Aurora St.Pierre
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Grace Johnson
Quick tip from someone who deals with these notices regularly - make sure to keep the B notice (CP2100A) and your response separate from your regular tax filings. Sending them together can cause confusion and delay both processes. Also, if you're issuing 1099s to yourself from your sole prop, you might want to consider an S-Corp election instead. It can sometimes help avoid these kinds of issues since you'd be on payroll with W-2s instead of 1099s, plus there can be tax advantages. Just a thought for future planning!
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Jade Santiago
AuthorThanks for the tip about keeping these responses separate! Question about the S-Corp suggestion though - isn't there a lot more paperwork and fees involved with maintaining an S-Corp vs a sole proprietorship? I'm pretty small scale and wondering if the benefits would outweigh the added complexity.
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Grace Johnson
You're right that S-Corps require more paperwork and have some additional costs. You'll need to file Form 1120-S annually, issue yourself a reasonable salary on a W-2, and in many states pay annual fees that sole props don't have to pay. Depending on your state, these might range from $50 to several hundred dollars per year. The tax savings typically kick in when your business profit is high enough that the self-employment tax savings exceed the additional costs. As a very rough guideline, many tax pros suggest considering it when your business nets at least $40,000-$50,000 in profit, but it varies based on your specific situation. It's definitely worth consulting with a tax professional who can run the numbers specific to your case.
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Jayden Reed
I'm curious - has anyone else noticed an increase in these types of errors from the IRS lately? I've gotten two incorrect notices in the past year, and several of my clients have as well. Seems like their systems are really struggling with even basic data entry.
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Nora Brooks
YES! It's gotten so much worse. I think they're still dealing with massive backlogs and probably hired a bunch of new people who aren't properly trained. I've received three incorrect notices this year alone. One claimed I didn't file a schedule C when I definitely did, another had incorrect amounts from my W-2, and the third was similar to OP's situation with incorrect info on a 1099.
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Jayden Reed
That's really concerning to hear it's so widespread. I wonder if the IRS modernization funding they've been talking about in the news will actually help with these issues. The tech they're using must be ancient at this point. For anyone dealing with these notices, I'd suggest always requesting a transcript of your account after you send in corrections, just to make sure they actually processed your response. You can get these online now through the IRS website, which is at least one improvement they've made.
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Eli Wang
Is it weird that I issue 1099-NECs to myself? I have an LLC and was told I should be doing this, but now I'm wondering if that's what caused the confusion.
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Caleb Stone
If your LLC is a single-member LLC that hasn't elected to be taxed as an S-Corp or C-Corp, then you typically shouldn't be issuing yourself a 1099-NEC. Since a single-member LLC is a disregarded entity for tax purposes, it's essentially the same as a sole proprietorship, and you don't issue 1099s to yourself in that case. You would only issue a 1099-NEC to yourself if you have two separate business entities, and one is paying the other for services. For example, if you have a Corporation that pays you personally as an independent contractor (though even this arrangement can be questioned by the IRS). Who advised you to issue yourself a 1099-NEC? It might be worth consulting with a different tax professional to make sure you're handling things correctly.
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Eli Wang
Oh man, I think I've been doing this wrong then. I have a single-member LLC and my previous accountant told me to issue 1099s to myself. Sounds like I need a new accountant! Thanks for the clarification - I'll definitely be looking into this more.
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Dylan Evans
Just wanted to add my experience here - I had a very similar CP2100A notice situation last year. The key thing that helped me was being very specific in my response letter about exactly what the IRS claimed was wrong versus what I actually submitted. In your letter, I'd recommend starting with something like "I am responding to CP2100A notice dated [date] regarding 1099-NEC for tax year [year]. The notice indicates discrepancies in the name and TIN, however, the enclosed copy shows the information was correctly reported as follows: [list the correct name and TIN exactly as they appear on your form]." Also, make sure to include your EIN or SSN at the top of your response letter, not just on the copies of the forms. This helps them match your response to the right account faster. The whole process took about 6-8 weeks for them to acknowledge and correct in my case, so don't panic if you don't hear back immediately. One last tip - if you have your e-filing confirmation or any other proof that shows when and how you submitted the original form, include a copy of that too. It helps establish that the error occurred after you submitted everything correctly.
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