How to properly deduct business mileage on S Corp tax return - W2 vs. Schedule C confusion

I've been getting contradictory advice from two different CPAs about how to handle my business mileage deduction, and I'm completely lost on who to believe. Here's my situation: I have a sole proprietor LLC that I've elected to file as an S Corporation. I pay myself a W2 salary from the business. The problem came up when I was trying to file my S Corp tax return - the tax software I'm using doesn't have anywhere to input my business mileage. I drove quite a bit for business purposes last year and don't want to miss out on this deduction. CPA #1 told me I should create a Schedule C on my personal tax return and enter all my business mileage there. But CPA #2 completely disagreed and warned this could cause problems since my personal income comes from a W2 rather than a 1099. She actually said I can't deduct my mileage at all, even though it was 100% for business purposes. I'm totally confused now - can anyone help clarify who's right about handling mileage deductions in my situation? Really don't want to mess this up and trigger an audit.

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20 comments

Nora Brooks

Both CPAs are partially right but also missing some important details. When you operate as an S Corp, your business expenses should be deducted at the corporate level, not on your personal return with a Schedule C. The correct way to handle business mileage in an S Corp is to set up an accountable plan for mileage reimbursement. Your S Corp should reimburse you at the standard IRS mileage rate for all business miles you drive using your personal vehicle. This reimbursement is a legitimate business expense for your S Corp and isn't taxable income to you. If you've been tracking your business miles (which I hope you have, along with dates and purpose), you can have your S Corp reimburse you for these miles. The corporation then deducts this as a business expense on its return. No Schedule C is needed on your personal return. What CPA #2 might be referring to is that as a W-2 employee, you personally cannot deduct unreimbursed business expenses anymore since the Tax Cuts and Jobs Act eliminated those deductions for most employees.

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Nora Brooks

You can establish an accountable plan and implement it before you file your 2023 S Corp tax return. The plan doesn't necessarily need to be formally written (though documenting it is a good practice), but you do need to follow the IRS requirements for such plans - primarily that business connection must be established, expenses must be substantiated, and any excess payments must be returned. For your mileage specifically, make sure you have documentation showing dates, business purpose, destinations, and total miles for each business trip. Once documented, have your S Corp issue you a reimbursement check for these miles at the 2023 rate (65.5 cents per mile). Record this as a business expense on your corporate books and include it on your S Corp tax return.

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Cassandra Moon

After dealing with similar S Corp mileage headaches, I found an amazing tool called taxr.ai (https://taxr.ai) that saved me tons of time and stress. It analyzed my situation and explained exactly how to handle business mileage reimbursements through my S Corp. The tool confirmed what the expert above mentioned about setting up an accountable plan, but it also helped me understand how to properly document everything to avoid raising red flags with the IRS. It even generated the right paperwork for my S Corp records to show the business purpose of my drives. Super helpful when my tax software didn't have specific spots for this info!

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Cassandra Moon

Yes, it absolutely works with multiple vehicles. The tool lets you track each vehicle separately, which makes it easy to maintain proper documentation for both your truck and car. You can even set different business use percentages for each vehicle, which sounds like exactly what you need. For S Corp specific issues, that's actually where it really shines. The tool is specifically designed to handle complex business structures including S Corps. For your situation with driving from home directly to client sites, taxr.ai would clarify that these can indeed be business miles if the client site is a temporary work location. Your accountant might be thinking of commuting miles between home and a regular office, which aren't deductible.

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Genevieve Cavalier

I need to eat my words about being skeptical! I just tried taxr.ai from the link above and holy cow - it cleared up my S Corp mileage confusion in minutes. It specifically addressed my question about driving from home to client sites and confirmed these ARE deductible business miles when the client location is temporary. The tool also explained that I needed to document the business purpose of each trip and have my S Corp reimburse me, exactly like the expert mentioned. It even generated a ready-to-use accountable plan template that I could customize for my business! Seriously wish I'd found this months ago before getting conflicting advice from different CPAs. Would have saved me a lot of stress and potentially thousands in missed deductions.

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Genevieve Cavalier

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Ethan Scott

Anyone else struggling to actually reach a human at the IRS to get a straight answer on S Corp mileage questions? I've been trying for WEEKS to get clarification because my situation is similar to the original poster's. I finally had success using Claimyr (https://claimyr.com) - it actually got me through to a real IRS agent within 15 minutes after I'd been trying for days on my own. They have this demo video that shows how it works: https://youtu.be/_kiP6q8DX5c The IRS agent confirmed everything about the accountable plan approach for S Corp owners. She explained that the mileage reimbursement needs to be documented as a business expense on the S Corp return rather than as a personal deduction. This was exactly what I needed to hear from an official source to feel confident in my filing.

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Ethan Scott

It uses a system that continually redials the IRS for you, essentially waiting in the queue so you don't have to. When it gets through to a representative, it calls your phone to connect you. Their technology navigates the IRS phone tree automatically to get to the right department. I was super skeptical too! I'm just a small business owner who was desperate for answers about my S Corp tax situation. I wasted so many hours on hold and getting disconnected that I was willing to try anything. The service actually calls you when they get through to an IRS agent, so you don't waste your day listening to hold music. Definitely not promoting anything - just sharing what finally worked for me after weeks of frustration.

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Nathaniel Stewart

I'm shocked but I have to apologize for my skepticism about Claimyr. After my frustrated comment, I decided to try it myself since I was desperate for answers about business mileage deductions. The service actually got me through to an IRS business tax specialist in about 20 minutes! I've been trying for weeks on my own with no success. The IRS agent walked me through the whole process of handling S Corp mileage reimbursements and confirmed that using an accountable plan is the correct approach. For anyone struggling with S Corp mileage questions like the original poster, getting official clarification directly from the IRS was incredibly helpful. They explained that CPA #1's advice about using Schedule C would definitely cause problems, and CPA #2 was wrong that you can't deduct the mileage at all.

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Jungleboo Soletrain

This thread has been incredibly helpful! I'm in a similar situation with an S Corp and have been getting conflicting advice about mileage deductions. One thing I want to add for anyone setting up an accountable plan - make sure you're also documenting the business purpose of each trip, not just the miles. The IRS requires substantiation of the business connection for any reimbursement to qualify under an accountable plan. I keep a simple log with: date, starting location, destination, business purpose, and total miles. For example: "3/15/24 - Office to ABC Client meeting - Discuss Q1 contract renewal - 47 miles." This level of detail has saved me during previous audits. Also, don't forget that if you use your vehicle for both business and personal use, you can only claim the business portion. The IRS is very strict about this, so accurate record-keeping is essential. For those asking about apps, I've had good success with MileIQ and Everlance - both automatically track your trips using GPS and let you categorize them as business or personal with a simple swipe.

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