Need help understanding how to report non-deductible business expenses on Form 1065?
I'm the managing partner for a small LLC and I'm getting confused about how to properly report non-deductible business expenses on our 1065 form. From what I understand, these non-deductible amounts need to be split based on each member's profit/loss allocations and then subtracted from each member's capital account. But I'm not 100% clear on how this actually works. Like, how crucial is it to report these non-deductible expenses correctly? For business meals that are only 50% deductible, does the other 50% get included in the non-deductible total? And I'm really stumped about loan/mortgage principal payments. If we count the principal payments as non-deductible expenses, wouldn't that unfairly affect members' capital accounts since the members didn't contribute those funds directly to begin with? I'm thinking this whole thing is probably to keep track of each partner's capital account accurately, but I just want to make sure I'm handling everything correctly. Our tax guy is out sick and I'm trying to get this figured out ASAP.
21 comments


Sophia Russo
You're asking some good questions about non-deductible expenses on Form 1065. Yes, you're right that these get allocated based on each partner's profit/loss percentages and affect their capital accounts. It's definitely important to report these correctly. The IRS uses this information to track the accurate tax basis for each partner, which affects future tax consequences when partners sell their interest or when the partnership liquidates. For meals, you're exactly right - the non-deductible 50% should be included in your non-deductible expenses total. The IRS wants to see the full picture of partnership finances, even expenses that can't be deducted. Regarding mortgage principal - you've spotted a key issue. Principal payments aren't actually expenses at all for tax purposes, but rather reductions of a liability. These shouldn't be treated as non-deductible expenses. They're handled separately on the balance sheet as a reduction to the loan liability, not through the profit and loss statement.
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Evelyn Xu
•Thanks for this explanation, but I'm still confused about how the mortgage principal payments affect partner capital accounts. If they're not treated as expenses but as liability reductions, does that mean they don't affect the capital accounts at all? Or do they still impact them in some way?
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Sophia Russo
•Mortgage principal payments don't flow through the income statement as expenses, so they don't directly reduce partner capital accounts the way expenses do. Instead, they reduce the partnership's liability on the balance sheet. However, principal payments do indirectly affect capital accounts because they're paid with partnership cash. When you use partnership cash to pay down principal, you're essentially converting one asset (cash) into a reduction of liability (mortgage), which doesn't change the overall equity but does affect the composition of the balance sheet.
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Dominic Green
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Hannah Flores
•How exactly does taxr.ai handle mortgage principal payments for partnerships? Does it separate those from actual non-deductible expenses? And how much detail does it give for each partner's allocation?
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Kayla Jacobson
•I've heard of AI tax tools but I'm skeptical. Does it actually understand the nuances of partnership taxation? Our situation includes guaranteed payments and special allocations which always complicates things. Can it handle that level of complexity?
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Dominic Green
•The system specifically flags mortgage principal payments and shows they should be treated as liability reductions, not expenses. It then creates a separate schedule showing how each payment affects the balance sheet without impacting capital accounts through the P&L. For complex partnership structures, that's actually where it really shines. It handles guaranteed payments, special allocations, and preferred returns with detailed tracking of how each affects individual partner basis and capital accounts. It even flagged a special allocation in our partnership that would have created a problem under substantial economic effect rules.
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Kayla Jacobson
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William Rivera
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Grace Lee
•This sounds too good to be true. The IRS wait times are insane right now. How much does this service cost? And are you sure the IRS agents actually give helpful information? In my experience they rarely give definitive answers on complex tax issues.
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Mia Roberts
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William Rivera
•I don't recall the exact cost, but it was reasonable considering the time it saved me. What matters is that I got a specific answer about Form 1065 non-deductible expense allocation that I couldn't find anywhere else. The service literally calls the IRS, navigates the phone tree, and waits on hold in your place. When an agent comes on the line, you get a call so you can speak directly with them. It's not about getting through faster than others - it's about not having to waste hours of your day listening to hold music. You can go about your business and just get alerted when there's actually someone to talk to.
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Grace Lee
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The Boss
Just to add another perspective, I'm a small business advisor and I've seen clients make this mistake frequently. For partnerships, it's critical to distinguish between: 1. True non-deductible expenses (like 50% of meals, penalties, certain insurance) 2. Capital expenditures (which get depreciated/amortized) 3. Balance sheet transactions (like principal payments) Only the first category should be reported as non-deductible expenses on Form 1065. The others have completely different tax treatments and different effects on partner capital accounts.
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Mason Kaczka
•Thanks for breaking it down like this! So for our mortgage payments, we should only include the interest portion on the P&L as a deductible expense, and the principal portion is strictly a balance sheet transaction that reduces our loan liability without affecting the P&L. Is that correct?
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The Boss
•Yes, exactly right. The interest portion is a deductible expense that flows through the P&L and reduces capital accounts. The principal portion is purely a balance sheet transaction - it reduces both your cash asset and your mortgage liability by the same amount, with no impact on the P&L or capital accounts through that avenue. Just remember that using partnership cash for principal payments does impact available cash for distributions, which is probably why you're concerned about fairness to partners. If you have partners with different distribution rights, your operating agreement should address how these cash flow impacts are handled.
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Evan Kalinowski
Does anyone here use QuickBooks for tracking non-deductible expenses in partnerships? I'm having trouble figuring out the best way to set it up so that it correctly allocates these expenses to partner capital accounts based on their profit/loss percentages.
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Victoria Charity
•I use QuickBooks for our partnership and had to set up special accounts for this. I created a non-deductible expense category with sub-accounts for each type (50% meals, penalties, etc). Then I set up a journal entry template that allocates these to partner capital accounts based on our operating agreement percentages. It's not automated but works well enough if you do it quarterly.
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Jasmine Quinn
I think everyone's overcomplicating this. The purpose of tracking non-deductible expenses is pretty straightforward - it's to properly track each partner's tax basis. The IRS wants to make sure partners don't claim more losses than they have basis for. The mortgage principal thing makes sense when you think about it: principal payments aren't expenses at all. They're converting one asset (cash) to reduce a liability (loan balance). That's why they don't flow through to capital accounts the same way as true expenses. The 50% non-deductible meals absolutely should be included though. Those are true expenses that just happen to be limited for tax purposes.
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Oscar Murphy
•I agree it's being overcomplicated but disagree slightly on one point - tracking non-deductible expenses isn't just about basis limitations. It's also about maintaining accurate capital accounts which impact things like partnership distributions, liquidations, and buying/selling partnership interests. Getting this wrong can cause major headaches years down the road.
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Darren Brooks
I've been dealing with similar issues in my partnership and wanted to share what I learned from our CPA. The key insight that helped me was understanding that non-deductible expenses serve two purposes: they reduce each partner's outside basis AND they reduce their capital accounts for book purposes. This is why mortgage principal payments don't belong in this category - they don't reduce anyone's economic investment in the partnership since the partnership is getting value (reducing debt) in exchange for the cash payment. One thing I haven't seen mentioned is that you also need to be careful about timing. Non-deductible expenses should be allocated in the same tax year they're incurred, even if the partnership is on a different accounting method for other purposes. Also, make sure your operating agreement is clear about how these allocations work. We had to amend ours because it wasn't specific enough about whether non-deductible expenses follow the same allocation as regular expenses or if they have their own rules.
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