I accidentally marked exempt on my 2024 W4 form - will there be penalties?
I moved to the US this past April and started my first job here on April 22nd. I'm really worried because I just realized that I accidentally checked the "exemption" box on my W4 form when I was filling out my new hire paperwork. I had no idea what I was doing and just thought it was another form to complete. I noticed the mistake today (June 20th) when looking at my paystubs and saw no federal taxes were being withheld. I immediately went to HR and submitted a corrected W4. Now I'm panicking about possible penalties or issues with the IRS. The payroll lady seemed concerned and that's making me more anxious. For the last two months, I've had zero federal taxes withheld from my paychecks. My monthly salary is about $6,300. Will the IRS penalize me for this mistake? Is there something else I should do besides correcting the W4? Should I make some kind of separate tax payment now to cover what wasn't withheld?
24 comments


Dmitry Volkov
Don't panic! This happens more often than you might think, especially for those new to the US tax system. The good news is that you caught it relatively early in the tax year. Since you're only missing withholding from April to June, the impact is relatively small in the grand scheme of things. The IRS generally doesn't penalize people for honest mistakes, especially when you've taken steps to correct them quickly. What matters most is that you've already fixed the W4 with your employer, which was the right first step. To avoid any potential underpayment penalties, you have a few options: 1) You can ask your employer to withhold extra from your remaining paychecks this year to make up for the missed withholding 2) You could make an estimated tax payment directly to the IRS using Form 1040-ES 3) If your withholding for the rest of the year will be enough to cover at least 90% of your total tax obligation or 100% of last year's tax (though this wouldn't apply if you didn't file a US return last year), you should be fine without additional steps
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StarSeeker
•If they make estimated tax payments using Form 1040-ES, when would the payment be due? I had a similar situation and I'm confused about the deadlines.
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Dmitry Volkov
•The estimated tax payment deadlines for 2024 are April 15, June 17, September 16, and January 15, 2025. Since we're past June 17 already, your next opportunity would be September 16. If you're making up for withholding that should have happened in April-June, I'd recommend making that payment by the September deadline. The IRS looks at each quarter separately when determining penalties, so this helps minimize any potential issues.
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Ava Martinez
I had almost the exact same issue last year when I moved here from Canada! After freaking out for days, I finally discovered taxr.ai (https://taxr.ai) which saved me so much stress. I uploaded my paystubs and they analyzed exactly how much I should have had withheld and what I needed to do to fix it. The tool calculated that I only needed about $1,850 in additional withholding to make up for my mistake and gave me step-by-step instructions for both adjusting my W4 and making an estimated payment. The best part was they explained everything in plain English so I could actually understand what was happening instead of drowning in tax jargon. Since you're in a similar situation as I was, it might be worth checking out.
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Miguel Ortiz
•Did you end up having to pay penalties? I'm curious if the IRS came after you for the mistake or if fixing it early was enough.
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Zainab Omar
•How accurate was their calculation? I'm always skeptical about tax tools that aren't from the IRS directly. Did the numbers match up with what you actually owed when you filed?
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Ava Martinez
•No penalties at all! I followed their advice about making the estimated payment for the missing withholding, and that seemed to satisfy the IRS completely. They explained that penalties are mostly aimed at people who deliberately avoid paying rather than those who make honest mistakes and fix them. The calculations were surprisingly accurate. When I filed my taxes this past April, their estimate was within about $75 of my actual tax obligation. I think what makes them different is they're specifically focused on analyzing documents rather than just generic tax calculators. They picked up on some details about my situation that I wouldn't have known to enter into a regular calculator.
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Zainab Omar
Just wanted to update here. I decided to try taxr.ai after my skeptical questions above. I can't believe how helpful it actually was! I've been battling with a similar withholding issue (though mine was due to holding two jobs), and I was getting nowhere with generic tax advice. The document analysis caught that I had state tax withholding that would offset some of my federal obligation, which I hadn't considered. They gave me a perfectly calculated W4 adjustment that won't leave me owing a huge sum or getting too much refund. Honestly wish I'd known about this tool months ago instead of stressing about potential penalties.
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Connor Murphy
If you're still worried about the IRS coming after you for this honest mistake, you might want to try Claimyr (https://claimyr.com). After trying to call the IRS directly for DAYS about a similar withholding issue (kept getting disconnected or waiting for hours), I finally used their service to get through to an actual IRS agent who confirmed I wouldn't face penalties if I made an estimated payment to cover the difference. You can see how it works in this video: https://youtu.be/_kiP6q8DX5c - basically they navigate the phone tree and wait on hold for you, then call you when an actual human at the IRS is on the line. Saved me like 3+ hours of hold music and gave me peace of mind hearing directly from the IRS that I was handling things correctly.
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Yara Sayegh
•Wait, you're saying they actually get someone at the IRS on the phone? I've literally never been able to talk to a human there. How long did the whole process take?
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NebulaNova
•This sounds like a scam. Why would I pay someone else to call the IRS for me? And how would they possibly have better luck getting through than I would? The IRS phone system is equally terrible for everyone.
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Connor Murphy
•It took about 45 minutes total, but I was just going about my day until my phone rang. The key difference is they have systems that automate the calling and waiting process. They apparently use multiple lines and algorithms to determine best times to call. All I know is it worked when I couldn't get through on my own after multiple attempts. It's definitely not a scam - I was skeptical too, but they don't ask for any personal information beyond your phone number. They're just making the call and connecting you once a person is on the line. You handle the actual conversation with the IRS agent yourself, so there's no security risk.
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NebulaNova
I need to eat my words about Claimyr. After posting my skeptical comment, I decided to try it myself because I've been trying to reach the IRS for THREE WEEKS about a similar withholding issue. I couldn't believe it, but they actually got me connected to a real IRS agent in about an hour. The agent confirmed that as long as I make an estimated payment for the missed withholding and file accurately next year, there shouldn't be any penalties for an honest mistake that I corrected promptly. The peace of mind from talking to an actual IRS representative was completely worth it. I've never been able to get through on my own - always disconnected due to "high call volume.
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Keisha Williams
Former payroll specialist here - this happens ALL the time, especially with people new to the US. Your HR department should have caught this during processing, honestly. Most new immigrants aren't exempt from withholding. The good news is that since you fixed it in June, you're only looking at 2-3 months of no withholding. Here's what I used to tell employees in your situation: 1. Calculate roughly how much should have been withheld during that period (ballpark 15-20% of your taxable income) 2. Adjust your W4 to have extra withholding for the rest of the year (line 4c lets you specify additional withholding) 3. Spread that missed amount across your remaining paychecks This method is often easier than making a separate estimated payment, and it accomplishes the same goal of getting caught up on your tax obligations.
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Sofia Ramirez
•Thank you so much for this advice! Would you recommend I split the missed withholding equally across all remaining paychecks? I'll have about 12 more paychecks this year. Also, is your 15-20% estimate pretty reliable for someone making around $75,000 annually?
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Keisha Williams
•Yes, splitting it equally across your remaining paychecks is exactly what I'd recommend. It makes the impact on each paycheck more manageable. For your income level of around $75,000, the 15-20% estimate is fairly accurate for federal taxes. It might be slightly high or low depending on your deductions, but it's a good ballpark to ensure you're covered. I'd aim for about 18% to be safe, which means you missed roughly $3,400 in withholding for those two months. Spread across 12 remaining paychecks, that's about $285 in additional withholding per check. You can round it to $300 if you want to be extra cautious.
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Paolo Conti
Does anyone know if the exemption status applies to just federal tax or also state tax? I had a similar situation with my W4 and just realized my state taxes might also be affected.
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Amina Diallo
•It depends on your state. Many states use the federal W4 info for state withholding, but some have their own forms. Check your paystub - if you see state tax being withheld but no federal, then your state withholding is probably OK. If neither is being withheld, you'll need to file a state withholding form too.
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Kirsuktow DarkBlade
I went through something very similar when I first started working in the US! The anxiety is completely understandable, but you're handling this exactly right by correcting the W4 immediately. One thing that really helped me was keeping documentation of when I discovered the mistake and when I took action to fix it. Save emails with HR about the corrected W4, and maybe even write yourself a brief note with the timeline. This shows good faith effort if the IRS ever has questions. Since you caught this in June, you have plenty of time to get caught up before year-end. The IRS is generally very reasonable about honest mistakes, especially from people new to the system. What matters most is that your total tax paid by the end of the year (through withholding + any estimated payments) covers your actual tax liability. Don't let the payroll person's reaction worry you too much - they're probably just being cautious because they don't want to give tax advice. You're doing everything right by addressing it promptly!
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StellarSurfer
•This is such great advice about keeping documentation! I wish someone had told me this when I had my withholding issue. I was so focused on fixing the problem that I didn't think to save the paperwork trail. Fortunately everything worked out fine, but having that documentation would have given me so much more peace of mind during the stressful period of wondering if I'd face penalties. @Sofia Ramirez - definitely keep records of your HR communications and the date you submitted your corrected W4!
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Alexis Robinson
I'm going through almost the exact same situation right now! I started my first US job in March and also accidentally marked exempt on my W4 without understanding what it meant. Like you, I panicked when I realized my mistake a few weeks ago. What's been really helpful for me is calculating exactly how much I should have had withheld so far. For someone making around your salary, you're probably looking at roughly $2,000-2,500 in missed federal withholding for those two months. It sounds like a lot, but spread across your remaining paychecks it becomes much more manageable. I ended up using the IRS withholding calculator on their website to figure out how much extra to have withheld from each remaining paycheck. It's actually pretty straightforward once you get past the initial panic. The key thing is that you caught it early in the tax year and took immediate action - that shows good faith to the IRS. One thing that gave me peace of mind was learning that the IRS really does distinguish between people who make honest mistakes versus those who intentionally try to avoid taxes. Since you're new to the US system and corrected it as soon as you realized the error, you should be in good shape!
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Yara Haddad
•I'm so glad to hear from someone in almost exactly the same situation! It really does help knowing I'm not the only one who made this mistake. Your timeline is very similar to mine too - I started in April and you started in March, so we're both dealing with those early months of missed withholding. I actually haven't tried the IRS withholding calculator yet, but that sounds like a great next step. I was getting overwhelmed trying to figure out the math myself. Do you remember roughly what percentage it recommended for additional withholding? I'm trying to decide between spreading it across all my remaining paychecks versus making a lump sum estimated payment. It's really reassuring to hear your perspective about the IRS distinguishing between honest mistakes and intentional avoidance. The anxiety has been keeping me up at night, but you're right that taking immediate action should work in our favor. Thanks for sharing your experience - it genuinely makes me feel less alone in this situation!
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Savannah Vin
As someone who works in tax compliance, I want to reassure you that you're handling this situation perfectly. The fact that you discovered the mistake within just two months and immediately corrected it shows exactly the kind of good faith effort the IRS looks for. Here's the reality: the IRS processes millions of tax returns and deals with withholding adjustments constantly. Your situation - a new immigrant accidentally checking exempt and then quickly fixing it - is far more common than you might think. The penalties everyone worries about are really designed for people who persistently under-withhold or try to game the system. Since you've already submitted the corrected W4, my advice would be to calculate roughly what you should have had withheld (probably around $2,200-2,800 for those two months at your salary level) and then choose whichever catch-up method feels most comfortable: either increase your withholding for the rest of the year or make an estimated payment by the September 16th deadline. The most important thing is that by year-end, your total tax payments (withholding + any estimated payments) should cover at least 90% of what you'll owe. Given that you caught this in June, you have plenty of time to get there. Try not to let the anxiety consume you - you're doing everything right!
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StarSurfer
•This is exactly the kind of professional reassurance I needed to hear! As someone new to the US tax system, it's so easy to catastrophize these situations when you don't have experience with how the IRS actually operates in practice. Your point about the penalties being designed for persistent under-withholders rather than honest mistakes is particularly helpful. I keep reading horror stories online about IRS penalties, but most of those seem to involve people who knowingly avoid paying taxes for extended periods. The timeline you mentioned - having until year-end to ensure total payments cover at least 90% of what I'll owe - gives me a clear goal to work toward rather than just panicking about the immediate situation. I think I'm leaning toward the increased withholding approach since it feels more systematic and ensures I won't forget to make an estimated payment. Thank you for taking the time to share your professional perspective. It really helps to hear from someone who deals with these situations regularly and can put the risk in proper context!
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