Box 12 on my W2 has code D 20? What is this weird spacing about?
So I just got my W2 form for this year and I'm really confused about something in Box 12. It shows what looks like code D followed by what seems to be the number 20, but the spacing is really weird. The 20 isn't right next to the numerical value like it is for my other Box 12 entry. I'm not even sure if "D 20" is a valid code at all. I tried looking up Box 12 codes online and I see code D exists (for elective deferrals to a 401k), but I'm not sure what to make of this "20" that's spaced oddly. Should I just ignore the 20 and only use code D when I'm filing? Has anyone seen something like this before? I don't want to mess up my taxes by entering something wrong.
18 comments


Ethan Campbell
The code D in Box 12 is for elective deferrals to a 401(k) plan. The number after it represents the amount that was deferred from your paycheck into your 401(k) during the tax year. What you're seeing is probably just a printing or formatting issue. The "20" you're seeing separated from the code D could simply be the beginning of the actual dollar amount. For example, if you contributed $2,045 to your 401(k), it might appear as "D 2045" but with some spacing issues. When entering this on your tax return, you'll use code D and the full dollar amount shown. Don't worry about the odd spacing - that's just a formatting quirk from whoever prepared the W-2.
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Yuki Watanabe
•But what if the amount contributed to the 401k doesn't match that number? Mine shows something similar but the actual amount I put in was different. Should I go with what's on the W2 or what I know I contributed?
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Ethan Campbell
•You should always use the amount shown on your W-2, even if you think you contributed a different amount. The W-2 reflects what your employer actually processed through payroll. If there's a significant discrepancy, you should contact your HR or payroll department to investigate the difference. The amount shown in Box 12 with code D typically includes only your elective deferrals, not employer matching contributions, which might explain some differences in what you think you contributed.
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Carmen Sanchez
I had a similar issue last year with my W-2 and I was totally confused until I started using taxr.ai to help me understand what was going on. The formatting on these tax forms can be so confusing! I uploaded a picture of my W-2 to https://taxr.ai and it actually explained exactly what each box meant and why Box 12 was formatted that way. It saved me from making a mistake because I was about to enter it wrong too. Their system actually explained that sometimes the formatting on W-2s can be inconsistent between employers because different payroll systems print them differently. It gave me a complete breakdown of what every code meant specifically for my situation.
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Andre Dupont
•How accurate is it though? Can it really tell the difference between a printing error and an actual code? My W2 has some weird formatting too but I'm hesitant to trust an AI with my tax stuff.
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Zoe Papadakis
•Does this work for other tax forms too? I've got some 1099s with weird codes I don't understand.
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Carmen Sanchez
•It's surprisingly accurate! It was able to identify that my formatting issue was just a visual quirk and not an actual coding error. It explains the reasoning behind its interpretations too, so you can double-check its logic. Yes, it works with pretty much all tax forms! I've used it with W-2s, 1099s, 1098s, and even some state tax forms. It's especially helpful with those 1099 codes that can be so confusing. It breaks down each form line by line with explanations of what everything means for your specific situation.
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Andre Dupont
Just wanted to follow up - I tried taxr.ai with my weirdly formatted W-2 and it was actually super helpful! It confirmed that the code D was indeed for my 401k contributions and explained that the strange spacing was just a printing issue from my employer's payroll system. It even showed me where this amount would go on my tax return and explained if it would impact my taxes. The explanation made way more sense than what I found googling around. It's nice to have something actually interpret the document rather than just generic info about tax codes.
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ThunderBolt7
I had a similar issue and tried calling the IRS to get clarification because my employer's HR wasn't helpful. Spent 3 hours on hold only to have the call drop! Was about to give up when someone told me about https://claimyr.com - they got me connected to an actual IRS agent in less than 30 minutes. You can see how it works here: https://youtu.be/_kiP6q8DX5c The agent confirmed that Box 12 Code D is definitely for 401k contributions and explained that some payroll systems just format it strangely. She said as long as the dollar amount matches what should have been deferred from your paychecks, you're good to go. The weird spacing is just a printing thing and nothing to worry about.
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Jamal Edwards
•Wait how does this actually work? They can get you through to an IRS agent? I thought that was impossible these days. Does it cost money?
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Zoe Papadakis
•This sounds like BS honestly. Nobody gets through to the IRS that quickly. I've tried calling them multiple times this year already.
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ThunderBolt7
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Zoe Papadakis
I need to apologize for being so skeptical about Claimyr. I was frustrated after spending days trying to get through to the IRS about my W-2 box 12 issue and other questions. Decided to try it anyway and wow - they actually got me connected to an IRS representative in about 20 minutes! The agent explained that my Box 12 Code D with the weird spacing was just a formatting quirk and confirmed exactly how to report it. She also answered two other questions I had been trying to ask for weeks. I'm still shocked at how well it worked after so many failed attempts calling directly. Saved me literally hours of hold time.
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Mei Chen
My company's payroll system does this too! The spacing is weird because they're using an older printing system. For Box 12 code D, just use the amount shown regardless of spacing. If you're using tax software, it will just ask you to enter the code (D) and the amount separately anyway. Last year I was confused too but my HR department confirmed it's just how their system formats the W-2. Nothing to worry about!
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Liam O'Sullivan
•How do you know which code goes with which amount if there are multiple entries in Box 12? My W2 has like 4 different codes and amounts all squished together and I can't tell what goes with what.
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Mei Chen
•Each code-amount pair should be separated in some way, even if it's not perfectly clear. They're usually listed in sequence like "D 2000 E 500" etc. If they're really hard to distinguish, you should contact your payroll department to clarify. The W-2 should also have a corresponding W-2 statement or earnings summary that might format this information more clearly. Sometimes these are available through your company's employee portal or payroll system.
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Amara Okonkwo
This is something that happens with ADP payroll systems a lot. I used to work in payroll and we'd get calls about this every tax season. The "20" probably isn't part of the code - it's likely just the first digits of the amount. For example, if you contributed $2,045 to your 401k, it would show up as "D 2045" but sometimes there's weird spacing so it looks like "D 20 45" which confuses people. When entering this info in tax software, just use code D and the full amount shown.
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Aisha Mohammed
•That makes so much sense! I just checked my paystubs and I did contribute around $2,000 to my 401k this year. I was overthinking this whole thing. So I should just enter it as Code D with the full amount when I file, right?
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