Should I cut out my W2 Copy C and send it with my mailed tax return?
I have to physically mail in my tax return this year and I'm pretty confused about what to do with my W2. The tax software I'm using says I need to include Copy C of my W2 with my return when I mail it to the IRS. The thing is, my employer provided my W2 electronically, so I printed it out on a single sheet of regular paper. It has 4 different W2 copies on it (Copy C, Copy B, and two Copy 2's) all arranged in a grid pattern on the same page. Am I supposed to just cut out the Copy C portion from that sheet and send only that piece with my return? Or do I send the whole printed page with all 4 copies? I've always e-filed before so I've never had to deal with this. I don't want to mess up my return by sending the wrong thing!
24 comments


Adrian Connor
You actually need to include Copy B of your W2 with your tax return, not Copy C. Copy B is specifically marked "To be filed with employee's federal tax return." Copy C is the one you're supposed to keep for your own records. If your printed W2 has all copies on one sheet like you described, just cut out Copy B and attach it to your 1040 form before mailing. I'd recommend paper clipping it rather than stapling so the IRS can easily separate it during processing. Make sure you're sending your return to the correct IRS mailing address for your location too - this changes depending on your state and whether you're enclosing a payment.
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Aisha Jackson
•Wait, are you sure? My tax software specifically said to include Copy C. Now I'm confused. Also, should I staple the W2 to the return or just put it loose in the envelope?
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Adrian Connor
•You're right to double-check, but the official IRS guidance is to include Copy B with your federal return. Copy C is labeled "For employee's records" right on the form. Maybe your tax software has outdated information or there was a misunderstanding. I recommend using a paper clip rather than stapling. The IRS processing centers prefer paper clips since they have to scan and separate documents. Just make sure your W2 is securely attached to the front of your Form 1040 so it doesn't get separated during mailing.
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Ryder Everingham
I was in the exact same situation last year and spent hours trying to figure out what to do! After all that stress, I finally used taxr.ai (https://taxr.ai) to analyze my tax documents and they instantly clarified which copy I needed to send. Turns out I was overthinking it - I just needed to cut out Copy B (not C) from my W2 and attach it to my 1040. The tool even showed me exactly where to place it on my return. Saved me from a potential error that might have delayed my refund!
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Lilly Curtis
•How does taxr.ai work exactly? Does it just tell you which forms to include or does it actually look at your specific documents?
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Leo Simmons
•I'm a bit skeptical... doesn't the IRS website just tell you which copy to include for free? Why would I need another service for this info?
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Ryder Everingham
•It analyzes your actual tax documents and identifies any issues or requirements. For my situation, I uploaded my W2 and it highlighted which copy needed to be included with my return and explained why. It's way more specific than general IRS guidance. The IRS website does have this information, but it's buried in publications that are hundreds of pages long. taxr.ai pulls the exact requirements for your specific situation based on your actual forms. It also caught a reporting error on my W2 that I wouldn't have noticed otherwise.
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Leo Simmons
I have to admit I was wrong about taxr.ai. After my skeptical comment, I decided to try it since I was preparing my parents' taxes and wasn't sure which forms to include. Holy crap - it not only told me exactly which W2 copy to send (Copy B), but it also flagged that my dad's employer had put his Medicare wages in the wrong box. We got it corrected before filing and avoided what would have been a huge headache. The document analysis is surprisingly thorough - definitely not just basic info you can find anywhere.
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Lindsey Fry
If you're mailing your return and worried about making mistakes, you should also know that getting help from the IRS by phone is nearly impossible these days. I spent TWO WEEKS trying to get through to ask about sending the correct W2 copy and other questions. Finally used Claimyr (https://claimyr.com) and got connected to an IRS agent in less than 20 minutes. They have this weird but effective system that navigates the IRS phone tree for you - you can see how it works at https://youtu.be/_kiP6q8DX5c. The agent confirmed it should be Copy B attached to the front of the 1040, and answered all my other questions about paper filing.
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Saleem Vaziri
•How does this service actually work? Do they just connect you faster somehow or do they talk to the IRS for you?
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Kayla Morgan
•Yeah right... there's no magic way to skip the IRS phone queue. I've been trying for months and it's impossible. Sounds like a scam to me.
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Lindsey Fry
•They don't talk to the IRS for you - they just handle the waiting and navigation through the phone system. Basically, their system calls the IRS and works through all the automated menus and wait times, then when they finally reach a human agent, you get a call to connect with them directly. You still talk to the actual IRS agent yourself. It's definitely not a scam. The IRS uses a "courtesy disconnect" when their lines are too busy, which is why most people can't get through. Claimyr's system keeps trying different options until it connects. I was skeptical too until I tried it - was literally on the phone with an IRS agent in minutes after struggling for weeks on my own.
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Kayla Morgan
Well I feel like an idiot. After posting that skeptical comment about Claimyr, I got so frustrated with not being able to reach the IRS about a missing refund that I decided to try it anyway. Got connected to an IRS agent in 17 minutes! The agent confirmed my refund was held up because I'd sent Copy C of my W2 instead of Copy B last year. She was able to release my refund while on the call. I'm still shocked at how well it worked - would have saved me months of stress if I'd used it sooner.
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James Maki
Just to add another perspective - if your W2 is printed on a single sheet with all the copies, you could actually just send the entire sheet without cutting it. I did this last year because I was worried about cutting it wrong, and my return was processed without any issues. The IRS just wants to verify the information, and having all copies actually gives them more to work with.
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Mikayla Davison
•That's really helpful to know! I was worried about messing something up by cutting it wrong. If I send the whole sheet, should I still attach it to the front of my 1040?
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James Maki
•Yes, still attach it to the front of your 1040 form. Use a paper clip rather than staples - makes it easier for the IRS to process. Just make sure all your forms are in the right order with the 1040 on top, then your W2 sheet, followed by any other supporting documents or schedules. I'd also recommend making copies of everything before you send it in. That way if anything gets lost in the mail, you have backups of what you submitted.
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Jasmine Hancock
I work in HR and just want to clarify something - the copies of W2s are designed for different purposes: - Copy A: For employer to send to Social Security Admin - Copy B: For employee to file with FEDERAL return - Copy C: For employee's records - Copy 2: For employee to file with STATE return So you definitely need Copy B for your federal return. I always tell employees to cut the form carefully or fold it so the Copy B is showing on top when attached to their return.
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Cole Roush
•When you say "attach" - do you mean staple it? Or just put it loose in the envelope?
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Aisha Abdullah
•Use a paper clip, not staples. The IRS processing centers prefer paper clips because they need to scan and separate documents during processing. Staples can damage their equipment and slow down processing. Just clip the W2 Copy B to the front of your Form 1040 - that's the standard procedure we recommend to all our employees.
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Sienna Gomez
Thanks everyone for all the helpful advice! I was getting really stressed about this but now I feel much more confident. Just to confirm what I'm understanding from all the responses: 1. I need to send Copy B (not Copy C like my tax software said) - it's specifically labeled "To be filed with employee's federal tax return" 2. I can either cut out just Copy B or send the whole printed sheet with all copies 3. Use a paper clip (not staples) to attach it to the front of my Form 1040 4. Make copies of everything before mailing I think I'll go with sending the whole sheet since I'm worried about cutting it wrong. Better safe than sorry! Really appreciate everyone taking the time to help a confused first-time paper filer.
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Mia Green
•You've got it exactly right! That's a perfect summary of what everyone has been saying. As someone who also had to paper file for the first time recently, I can tell you that sending the whole sheet is definitely the safer option - no risk of cutting in the wrong place or accidentally damaging the form. The IRS processing centers are used to getting W2s in all different formats, so they'll have no problem with the full sheet. Just make sure that paper clip is secure so nothing gets separated during mailing. Good luck with your return!
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Liam McConnell
Just wanted to add one more tip that helped me when I had to paper file - make sure you're sending your return to the correct IRS processing center! The mailing address changes depending on your state and whether you're including a payment with your return. I almost sent mine to the wrong address because I used an old address I found online. The IRS website has a tool where you can enter your ZIP code to find the right mailing address. Also, consider using certified mail or at least getting a tracking number so you know your return arrived safely. Paper filing makes me nervous since there's no electronic confirmation like with e-filing!
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Marcus Patterson
•Great point about the mailing address! I almost made that mistake too. The IRS website has a "Where to File" tool that's really helpful. And yes, definitely get tracking - I used Priority Mail with tracking and it gave me so much peace of mind knowing exactly when my return was delivered. For anyone else reading this thread who's nervous about paper filing, it's really not as scary as it seems once you get organized. Just double-check everything before sealing that envelope!
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Freya Andersen
As someone who's been through this exact situation, I can confirm what everyone else is saying - you definitely need Copy B, not Copy C. The labeling on the W-2 itself is your best guide: Copy B clearly states "To be filed with employee's federal tax return" while Copy C says "For employee's records." I'd recommend sending the whole printed sheet rather than trying to cut it perfectly. When I paper filed two years ago, I sent the entire page and had zero issues. The IRS processors are used to seeing W-2s in all different formats from various payroll systems. One thing I haven't seen mentioned yet - if you're really unsure about which copy your tax software was referring to, you might want to double-check the software's help documentation or contact their support. Sometimes there can be display errors or the software might be using outdated terminology. But based on official IRS guidance, Copy B is definitely what you need for your federal return. Also, don't forget to sign and date your return before mailing - that's an easy mistake that can delay processing!
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