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Another thing to consider is that if you don't amend and the IRS notices the discrepancy (which they probably will since they get copies of those forms), they might send you a CP2000 notice. That's basically them saying "hey we think you underreported income" and they'll calculate what they think you owe. Usually their calculation doesn't include all the deductions you might be entitled to, so you often end up owing more than if you had just amended yourself. Plus, depending on timing, there could be penalties and interest.
Does the CP2000 notice count as an audit? I'm always terrified of anything that might trigger the IRS to look more deeply at my returns.
No, a CP2000 notice isn't technically an audit. It's classified as an "automated adjustment" where their computer systems have detected a mismatch between income reported to them versus what's on your return. It doesn't involve the detailed examination of your entire tax situation that a true audit would include. That said, how you respond to a CP2000 could potentially lead to further review if there are significant issues or discrepancies in your explanation.
Another option is using Free File Fillable Forms if you're comfortable with the tax forms. It's free and you can file your 1040-X electronically now. I had to amend last year cause I forgot a 1099 from a side gig and it wasn't nearly as painful as I expected!
is there a benefit to e-filing the amendment vs mailing it in? I thought amendments had to be on paper
To directly answer your original question: the most official source is in the Internal Revenue Bulletin where they publish Revenue Procedures with inflation adjustments. For the 2024 tax brackets (for taxes filed in 2025), look for Revenue Procedure 2023-34. You can find it here: https://www.irs.gov/irb/2023-44_IRB The tax brackets are in Section 3, specifically 3.01 for individuals. It's still not the prettiest format, but it's the direct source from the IRS that all those third-party sites are using.
Thank you so much! This is exactly what I was looking for. I had no idea to look for the Revenue Procedure documents - no wonder I couldn't find it. Really appreciate you providing the direct link too. Do they publish these Revenue Procedures every year around the same time? I'd like to bookmark this for future reference.
Yes, they publish them annually, typically in late October or early November for the upcoming tax year. They're always titled "Revenue Procedure [YEAR]-XX" where the year is the current year and XX is the specific number assigned to that procedure. For example, the 2025 tax brackets (for taxes filed in 2026) will likely be published as "Revenue Procedure 2024-XX" around October/November 2024. The easiest way to find them is to search the IRS website for "Revenue Procedure inflation adjustments" and filter by the most recent year.
I've been doing taxes for 15+ years and I still find it annoying that the IRS makes this so complicated. The most direct and official source is indeed the Revenue Procedures as mentioned above, but for a quicker reference I actually just use the IRS Withholding Estimator tool. It doesn't give you the full tables directly, but when you work through it, the calculations are based on the current official rates. Kinda a backdoor way to verify the rates.
Just want to share what worked for me when I lost my W-2 last year. Contact your HR department, not just the main company number. If it's a large company, they often have a special employee/ex-employee portal where you can download tax documents yourself. I completely forgot about this until someone reminded me. Also check if your company used a third-party payroll processor like ADP, Paychex, or Gusto. You might be able to create/login to an account there and download your documents directly! I found my missing W-2 in my ADP account even though I hadn't worked at that company for months.
Would this still work if it's been like over a year since I worked there? I have a similar issue but from a job I had in 2023 and I just realized I never received one of my W-2s when organizing for this year's taxes.
Yes, it should still work! Most payroll systems keep your documents available for several years. I was able to log into my ADP account almost 2 years after leaving a job and still access all my tax documents. If you can't remember which payroll system they used, try contacting any former coworkers who might know. Even if you don't have login credentials anymore, these services usually have account recovery options using your SSN and personal info to verify your identity.
Whatever you do, DON'T file without including all your income! I made this mistake a few years ago and the IRS sent me a CP2000 notice about 6 months later saying I underreported my income. They assessed additional tax plus interest and a penalty. Just file for an extension with Form 4868 if you need more time to sort this out! That gives you until October 15th to file your actual return, though you still need to pay any estimated taxes by the regular deadline.
How much was the penalty when you got caught? I'm trying to decide if it's worth the hassle of tracking down a W-2 from a job where I only made like $1200 total.
Let me add something important here - when the IRS confirms you have a refund but you haven't received it, there's also a time limit to claim it! You generally have 3 years from the original due date of the return to claim a refund. For a 2020 tax refund, that would mean you have until April 15, 2024 to resolve this. After that, you're generally out of luck and the money goes back to the Treasury. So don't wait too long thinking you'll be able to resolve this whenever - there's actually a deadline!
Thanks for pointing this out! I had no idea there was a time limit. Does the clock start from when they sent the letter confirming my refund, or from the original tax filing deadline?
The clock starts from the original tax filing deadline for that year, not from when they sent you the letter. For 2020 taxes, the original filing deadline was May 17, 2021 (it was extended from the usual April 15 due to COVID). So you'd have until May 17, 2024 to claim your refund. After that deadline passes, unclaimed refunds become the property of the U.S. Treasury and you can no longer get your money back. That's why it's important to address this sooner rather than later.
One thing nobody has mentioned - check if your refund was applied to any past due tax debts! This happened to me. I was expecting a refund check but never got it. After FINALLY reaching someone at the IRS, I found out they had applied my refund to an outstanding tax debt from a previous year. They should have sent you a notice if this happened, but sometimes these notices get lost in the mail too. Just something to consider before going through the whole trace process.
Andre Dubois
9 Has anyone mentioned quarterly estimated taxes yet? If your husband is making $58k on 1099, you ABSOLUTELY need to be making quarterly payments! I learned this the hard way and ended up owing $12k + penalties my first year on 1099. The IRS wants you to pay as you earn throughout the year. You can use Form 1040-ES to calculate and pay.
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Andre Dubois
β’20 Agreed! But what's the bare minimum percentage you should set aside from each check to cover taxes? I've heard everything from 20% to 40% and I'm confused.
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Andre Dubois
18 Don't forget to look into the Earned Income Tax Credit! With two kids and if your income is under certain thresholds, you could qualify for a significant refundable credit. This means you could get money back even if you don't owe any taxes. The income limits change each year, but it's definitely worth checking if you qualify!
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