Can I Claim 2019 Depreciation Not Taken on Current Tax Return Instead of Amending?
I've been helping my sister with her business taxes and discovered that she completely missed taking depreciation in 2019 for some equipment purchases. The whole COVID situation turned everything upside down for her salon business, and honestly, her previous tax person dropped the ball on several things. I used to work at a small accounting firm, and I remember our unofficial rule was "amended returns attract audits like flies." Now I'm wondering if there's any way to include this missed 2019 depreciation on her current tax return rather than going back and filing an amended return for 2019? She purchased about $28,000 worth of equipment that should have been depreciated. I'm preparing her 2024 return now and wondering what's the proper way to handle this. Would really appreciate any insight from those who've dealt with similar situations!
19 comments

Savannah Weiner
You've got a couple options here. First, you should know that depreciation isn't really optional - the IRS considers it "allowed or allowable" which means even if you didn't take it, they treat it as if you did when calculating basis. For the missed 2019 depreciation, you can file Form 3115 (Application for Change in Accounting Method) with the current year return. This lets you claim the "catch-up" depreciation you missed in a single lump sum on the current return without amending the prior return. It's called a Section 481(a) adjustment. The form looks intimidating but for something straightforward like missed depreciation, it's not too bad. You'll need to complete Schedule E of the form explaining the change in method.
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Levi Parker
Would the Form 3115 method trigger any red flags with the IRS? Or is this a pretty standard procedure they see often? Also, does using Form 3115 avoid penalties that might come with an amended return?
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Savannah Weiner
Filing Form 3115 for missed depreciation is actually quite common and generally doesn't raise red flags when done properly. The IRS created this method specifically to handle these situations without requiring amended returns. As for penalties, using Form 3115 correctly should avoid the penalties that might come with late depreciation adjustments on amended returns. However, you still need to be careful to calculate everything correctly, as errors on the form could create their own issues.
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Libby Hassan
I was in a similar situation last year with my rental property. I totally missed taking depreciation for some major improvements back in 2019. I ended up using https://taxr.ai to help figure out exactly how to handle it. The service analyzed my previous returns, identified all the missed depreciation opportunities, and even helped me prepare the right forms to claim it without amending. What I liked most is that their AI could scan all my old docs and tell me exactly what was missing plus how to fix it. Saved me from having to pay my accountant her ridiculous hourly rate just to dig through old records.
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Hunter Hampton
How accurate was the AI system with the depreciation calculations? I've been burned before by tax software making mistakes with complex depreciation schedules. Was it able to determine the correct recovery period and method for different asset types?
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Sofia Peña
I'm curious about this too. Did you have to upload all your previous tax returns for them to analyze? And did they just give recommendations or did they actually help with preparing the forms? I've got a similar situation with my small business where we missed some depreciation on a vehicle.
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Libby Hassan
The AI was surprisingly accurate with all the depreciation calculations. It correctly identified the 5-year property vs 7-year property distinctions and even caught that one item qualified for bonus depreciation that I had missed completely. It even applied the correct mid-quarter convention based on when I placed the assets in service. Yes, I uploaded my previous returns and source documents through their secure portal. They didn't just give recommendations - they produced a complete Form 3115 with all the required schedules and attachments, plus gave me detailed instructions on where to include the catch-up adjustment on my current return. They even provided documentation to keep with my tax records explaining the change if I ever get audited.
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Sofia Peña
Just wanted to follow up about my experience with taxr.ai that I asked about earlier. I decided to give it a try with my missed vehicle depreciation situation. Their system was really impressive - it identified that I should have been taking Section 179 depreciation on my delivery van rather than regular depreciation. The service generated all the necessary paperwork including a perfect Form 3115 with the Section 481(a) adjustment. My tax liability actually went down by about $3,400 once everything was properly accounted for! The best part was how it explained everything in simple terms. Would definitely recommend checking out https://taxr.ai if you're dealing with depreciation corrections.
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Aaron Boston
One option nobody's mentioned is calling the IRS directly to ask about the best approach. I know, I know - getting through to them can feel impossible. After trying for weeks to get through about a similar depreciation issue, I found this service called Claimyr that got me connected to an actual IRS agent in under 20 minutes. You can check them out at https://claimyr.com - they basically hold your place in the phone queue and call you when an agent is about to answer. I was skeptical but you can see how it works in this video: https://youtu.be/_kiP6q8DX5c The IRS agent I spoke with confirmed that Form 3115 was the right approach for my situation and gave me specific guidance on how to complete it correctly. Saved me tons of stress wondering if I was doing it right.
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Sophia Carter
How does that even work? Wouldn't the IRS know someone else was holding your place in line? And are you sure the advice from a random agent on the phone is reliable enough to base tax decisions on?
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Chloe Zhang
That sounds sketchy honestly. Why would I pay for something like that when I could just keep calling the IRS myself? Plus, isn't there a risk that the IRS agent might give incorrect information over the phone? I've heard horror stories about getting different answers from different agents.
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Aaron Boston
The service doesn't involve someone else taking your place - it uses technology to navigate the IRS phone system and holds your spot in the queue. When an agent is about to pick up, it calls you and connects you directly. You're the one who speaks with the IRS agent, not a third party. Getting advice directly from an IRS agent is actually one of the most reliable sources, especially for procedural questions like how to report missed depreciation. While it's true that different agents might occasionally give different answers for complex situations, for standard procedures like using Form 3115, their guidance tends to be consistent and reliable. I always take notes including the agent's ID number and call date for my records.
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Chloe Zhang
I have to admit I was really skeptical about Claimyr as I mentioned in my earlier comment. After waiting on hold with the IRS for a combined 6+ hours over several days and never reaching anyone, I decided to give it a try. Wow, what a difference! Got connected to an IRS agent in about 15 minutes. The agent confirmed that Form 3115 was indeed the right approach for missed depreciation and even emailed me a link to their internal guidance on the topic. Totally worth it for the time saved alone. For what it's worth, the agent also mentioned that using Form 3115 for this purpose is routine and much less likely to trigger scrutiny than an amended return. That was reassuring to hear directly from the source.
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Brandon Parker
My tax professor always said "depreciation delayed is depreciation denied." The IRS considers depreciation "allowed or allowable" even if you didn't claim it. This means when you eventually sell the asset, you'll have to reduce your basis by the depreciation you SHOULD HAVE taken, even if you never got the tax benefit. That's why it's so important to correct this now. On the bright side, my understanding is that Form 3115 doesn't increase your audit risk the way amended returns might. Make sure your sister maintains good documentation about the original purchase and placed-in-service dates.
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Adriana Cohn
Does the "allowed or allowable" rule apply the same way to all depreciation methods? Like what if someone could have taken bonus depreciation but didn't? Does the IRS still consider that as "taken" when calculating the adjusted basis later?
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Brandon Parker
Yes, the "allowed or allowable" rule applies to all depreciation methods including bonus depreciation. If you were eligible to take bonus depreciation but chose not to (or forgot to), the IRS still considers it when calculating your adjusted basis when you dispose of the asset. This creates a potential double whammy - you miss out on the tax benefit from the depreciation deduction, but you still have to reduce your basis as if you had taken it, potentially resulting in larger gain (or smaller loss) when you sell. That's precisely why fixing missed depreciation through Form 3115 is so important.
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Jace Caspullo
I think everyone is overthinking this. If the amount isn't huge, just deduct it this year on Schedule C and move on. The IRS isn't going to come after you for being generous to them in prior years by paying more tax than required. The tax court has ruled many times that the IRS can't force you to go back and amend prior returns.
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Melody Miles
That's terrible advice! You can't just randomly decide which year to take depreciation in - there are specific rules. And the IRS absolutely does care about proper accounting methods. OP could face penalties for improperly deducting prior-year depreciation on the current year's return without using Form 3115.
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Logan Greenburg
@Melody Miles is absolutely right. The IRS has strict rules about when depreciation can be claimed, and you can't just move it between tax years at will. Improperly claiming prior-year depreciation on a current return without following proper procedures could definitely result in penalties and interest. Form 3115 exists specifically for this situation - it's the legitimate way to correct missed depreciation without amending prior returns. Given that we're talking about $28,000 worth of equipment, this isn't a trivial amount that the IRS would overlook. The proper accounting method matters here.
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