Do loans to a partnership increase the partner's basis for claiming losses?
My business partnership is just getting going, we're in year two of operations. Based on our projections, we won't be profitable on paper until around year four. I initially invested a decent chunk of money which established my basis in the partnership. Last quarter, I also provided a substantial loan to the partnership (we did everything properly with formal loan documents, specified interest rate, repayment terms, etc.). The issue I'm facing now is that my share of this year's partnership loss is going to exceed what's left of my basis from my initial capital contribution. I'm trying to figure out if I can count the outstanding loan balance that the partnership owes me as additional basis, which would allow me to deduct the full amount of my loss this year. And if that is allowed, how does it affect the tax/accounting treatment of the loan itself going forward? Does it complicate things with interest payments or eventual repayment of the loan? I'm not super familiar with partnership tax rules and want to make sure I'm handling everything correctly.
24 comments


Dylan Wright
Yes, loans you make to your partnership can increase your basis, but with some important distinctions from your capital contributions. When you loan money to your partnership, it increases your "debt basis" rather than your "capital basis." Under tax code Section 752, this debt basis can be used to deduct losses that exceed your capital basis. The key difference is how these are tracked - they're essentially two separate buckets for tax purposes. Here's how it works: First, losses reduce your capital basis to zero. Then, additional losses reduce your debt basis. When the partnership eventually becomes profitable, those profits will first restore your debt basis before they start rebuilding your capital basis. For bookkeeping, you'll need to carefully track these two types of basis separately. The loan itself remains a legitimate debt on the partnership books, with interest payments being deductible by the partnership and taxable to you as the lender. When the loan is eventually repaid, it will reduce your debt basis.
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Sofia Torres
•If the loan has stated interest, does that interest income need to be reported separately from partnership income on the personal return? And does receiving interest payments from the partnership reduce the loan basis amount that can be used for claiming losses?
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Dylan Wright
•Yes, the interest income needs to be reported separately from your partnership income. It should be reported as interest income on Schedule B of your personal tax return, while your partnership income/loss is reported on Schedule E. The interest payments you receive don't reduce your debt basis - they're simply income to you and an expense to the partnership. When the partnership repays the principal amount of the loan, that's when your debt basis gets reduced. Any losses you've previously claimed using that debt basis remain valid deductions, but as your debt basis decreases through repayment, your ability to claim future losses may be limited if you don't have sufficient total basis.
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GalacticGuardian
I had almost this exact situation with my real estate partnership. I was freaking out about not being able to claim my full losses until I found https://taxr.ai which literally saved me thousands in taxes. You upload your partnership docs and loan agreements, and it analyzes whether your loans qualify for basis treatment. It even showed me how to properly document everything to satisfy IRS requirements. The tool flagged that my loan wasn't properly structured at first (I was missing some key terms in the agreement), so I was able to fix it before filing. The analysis also showed exactly how much of my loss I could claim based on my adjusted basis with the loans included. Super helpful for partnership tax situations like yours.
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Dmitry Smirnov
•How accurate is this tool compared to talking with an actual CPA? I'm in a similar position but worried about getting audited if I claim losses against a loan basis without professional guidance.
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Ava Rodriguez
•That sounds interesting, but does it handle more complex partnership structures? My situation involves tiered partnerships where I've loaned money to a partnership that's invested in another partnership. Most software I've tried gets confused with the basis calculations in these scenarios.
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GalacticGuardian
•The accuracy is impressive - it actually cites specific IRS code sections and tax court cases relevant to your situation. I still reviewed everything with my CPA, but he was actually impressed with how thorough the analysis was and said it saved him hours of research. It absolutely handles complex structures including tiered partnerships. My business partner has a similar setup with loans to multiple related partnerships, and the tool properly traced the debt basis through the various entities. It even identified a potential issue with our special allocation provisions that could have caused problems with our basis calculations.
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Dmitry Smirnov
Just wanted to update that I tried taxr.ai after seeing this thread and it was genuinely helpful for my partnership loan situation. The tool flagged that my loan documentation was missing some critical elements that could cause the IRS to reclassify it as an equity contribution instead of debt (which would completely change the tax treatment). I was able to properly amend my loan agreement based on their guidance and correctly calculate my adjusted basis including both my capital contributions and loans. The detailed report it generated would be super helpful if I ever get audited. It also clearly explained how my basis will be affected when the partnership starts generating income and when loan repayments begin. Definitely worth checking out if you're dealing with partnership basis issues.
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Miguel Diaz
If you're struggling to get definitive answers about partnership basis from the IRS, I'd recommend using https://claimyr.com to actually reach them directly. I spent WEEKS trying to get through to the IRS about a partnership basis question last year. After dozens of attempts, I used Claimyr and got connected to an IRS agent in under 20 minutes. The agent walked me through exactly how to document my partnership loans to ensure they increased my basis and could be used to offset losses. They also explained the proper way to report everything on my return. You can see how it works here: https://youtu.be/_kiP6q8DX5c - they basically navigate the IRS phone tree for you and call you when an agent is on the line. Saved me hours of frustration.
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Zainab Ahmed
•How does this actually work? I'm confused how they can get through when nobody else can. Does the IRS actually give binding advice over the phone that would protect you in an audit?
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Connor Gallagher
•Sorry, but this sounds like BS. I refuse to believe there's some magic way to skip the IRS phone queue when millions of people are trying to get through. And even if you do get through, the agents often give conflicting information. I wouldn't trust partnership basis advice from a random IRS phone rep.
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Miguel Diaz
•It works because they have an automated system that continually redials and navigates the IRS phone tree until they get through. When they reach an agent, they conference you in. It's not skipping the line - it's just automating the painful redial process most people give up on. While it's true that not every IRS agent gives perfect advice, I made sure to get the agent's ID number and took detailed notes of our conversation. The IRS does provide certain protections if you rely on their advice in good faith. For my situation, the agent confirmed that loans with proper documentation can increase basis for loss deductions, which matched what my research showed. Having that confirmation added an extra layer of confidence.
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Connor Gallagher
I have to admit I was completely wrong about Claimyr. After my skeptical comment, I decided to try it just to prove it wouldn't work. To my shock, I was connected to an IRS agent in about 35 minutes (which is miraculous compared to my previous attempts). The agent was surprisingly knowledgeable about partnership basis issues and confirmed everything about loan basis that was mentioned in this thread. They also pointed me to specific sections in Publication 541 that addressed my situation. I've been doing my research wrong this whole time! The agent explained that as long as my loan is bona fide debt (has documentation, reasonable interest, expectation of repayment), it can increase my basis for deducting partnership losses. They also warned about some common mistakes with tracking basis when the partnership returns to profitability. Worth every penny just for the time saved.
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AstroAlpha
One thing nobody has mentioned yet is that you need to be careful about "at-risk" rules even if you have sufficient basis from your loan. Section 465 limits your ability to deduct losses to the amount you have "at risk" in the activity. Generally, money you personally loan to the partnership is considered at risk. But if you borrowed money from someone else to make that loan to the partnership, things get complicated. Also, if the partnership is investing in certain activities that are subject to additional at-risk limitations (like certain leasing activities), you might have basis but still be limited in your loss deduction. Make sure you're considering both basis limitations AND at-risk limitations when figuring out your deductible losses.
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Yara Khoury
•This is a really important point. I thought I could claim all my losses because I had sufficient basis from loans, but the at-risk rules limited me anyway. Does the passive activity loss limitation also come into play here as a third potential limitation?
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AstroAlpha
•Yes, passive activity loss limitations are actually the third hurdle after basis and at-risk. Even if you have sufficient basis and are fully at risk, you still need to determine if the partnership is a passive activity for you. If you don't materially participate in the partnership (generally meaning 500+ hours per year, though there are other tests), then losses may be limited by the passive activity rules. Those losses would be suspended until you either have passive income from other sources or dispose of your entire interest in the partnership. So the full sequence is: First check basis (including debt basis), then check at-risk amounts, then apply passive activity rules. Only after clearing all three hurdles can you fully deduct your partnership losses against your other income.
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Keisha Taylor
Is it enough to just have a formal promissory note, or do I need to do anything special to make sure my loan to the partnership is treated as a loan for tax purposes? My accountant warned me about something called "debt-equity" classification issues but didn't explain it very well.
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Paolo Longo
•Your accountant is referring to the fact that the IRS might reclassify what you call a "loan" as actually being an equity contribution if it doesn't have enough loan-like characteristics. The classic factors come from a case called Fin Hay Realty Co. v. United States and include things like: fixed maturity date, regular interest payments, not being subordinated to other creditors, adequate capitalization of the business, etc. Without these, the IRS might say your "loan" was really just another capital contribution.
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Grace Lee
This is a great question and you're smart to think about it early. Yes, loans to your partnership can increase your basis for claiming losses, but there are several important considerations beyond just having the loan documents. First, make sure your loan truly looks like debt rather than disguised equity. The IRS will examine factors like whether you have a fixed repayment schedule, market-rate interest, and whether the partnership is adequately capitalized. If they determine it's really an equity contribution, you lose the debt basis treatment. Second, remember that basis is just the first hurdle. You'll also need to satisfy the "at-risk" rules (generally not a problem if you personally loaned your own money) and potentially the passive activity loss rules if you don't materially participate in the partnership. One practical tip: Keep meticulous records of your basis calculations. Track your capital basis and debt basis separately, and document how losses reduce each category. When the partnership becomes profitable, income will first restore your debt basis before rebuilding capital basis. Given the complexity and potential audit implications, I'd strongly recommend having a tax professional review your specific situation, especially the loan documentation and basis calculations. The rules around partnership taxation can be tricky, and getting it wrong could be costly.
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Natasha Volkova
•This is really helpful - I hadn't thought about the three-hurdle test (basis, at-risk, passive activity). Can you clarify what happens if the partnership eventually repays the loan but I still have suspended losses from previous years? Do those losses become deductible again when my debt basis is restored through new loans or additional capital contributions?
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Logan Stewart
•Great question! If your debt basis is reduced to zero through loan repayments and you have suspended losses, those losses remain suspended until you restore your basis. You can restore basis through new capital contributions, new loans to the partnership, or your share of partnership income. The key thing to understand is that suspended losses don't just disappear - they carry forward indefinitely until you have sufficient basis to absorb them. So if you make a new loan to the partnership next year, that creates new debt basis which can then be used to claim your previously suspended losses. However, be careful about the timing. If the partnership repays your original loan in December but you make a new loan in January, you might miss the opportunity to claim losses for the current tax year. The basis restoration needs to happen before year-end to claim losses for that year. Also remember that when partnership income does start flowing, it first restores your debt basis before your capital basis, which means your ability to claim suspended losses gets restored before you start seeing taxable income from the partnership operations.
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Marilyn Dixon
This is exactly the situation I was in two years ago with my consulting partnership. The debt basis rules definitely work as described here, but I want to emphasize something that caught me off guard: make sure your loan agreement includes a personal guarantee or similar provision showing you're truly at risk for the money. In my case, I had loaned $50K to the partnership but structured it poorly - the loan was secured only by partnership assets, which meant if the partnership failed, I might not be able to collect. During an audit, the IRS agent questioned whether I was truly "at risk" for the full amount, which could have limited my loss deductions even though I had sufficient basis. We ended up being okay because I could demonstrate that the partnership assets were worth more than the loan amount, but it was a stressful few months. The lesson is that having proper loan documentation is just the starting point - you also need to think about the economic substance of the arrangement. One more practical tip: if your partnership is going to be unprofitable for several years like you mentioned, consider whether it makes sense to structure some of your contributions as debt rather than equity from the beginning. This gives you more flexibility in claiming losses and potentially better tax treatment when you eventually get repaid.
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Anastasia Sokolov
•This is really valuable insight about the personal guarantee aspect - I hadn't considered that the security structure of the loan could affect the at-risk determination. In my case, I did structure the loan as unsecured debt with a personal guarantee, but I'm wondering about something else you mentioned. You said to consider structuring initial contributions as debt rather than equity - doesn't that create complications with the partnership's balance sheet and capital accounts? I'm trying to understand the trade-offs between having more debt basis for loss absorption versus maintaining proper partnership equity structure for potential future investors or if we ever want to bring in new partners. Also, did the IRS audit focus specifically on your partnership returns, or did it start from your individual return where you claimed the losses? I'm trying to get a sense of what triggers scrutiny in these situations.
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Mateo Martinez
•You raise excellent questions about the balance sheet implications. You're right that structuring too much as debt can complicate things, especially for future partners. The key is finding the right balance - enough debt basis to absorb expected losses, but not so much that it creates operational complications. Regarding capital accounts, debt doesn't affect partner capital accounts the way equity contributions do, which can actually be helpful in some situations. But if you're planning to bring in investors, they'll want to see adequate equity capitalization, not just a highly leveraged partnership. The audit actually started from my individual return - specifically, the large partnership loss I claimed triggered their automated screening systems. The IRS then expanded it to examine the partnership's books and the loan documentation. What saved me was having contemporaneous documentation showing the business purpose for the loan and evidence that it was arms-length (market interest rate, formal terms, etc.). One thing that helped during the audit was showing that the loan was necessary for the partnership's operations, not just a tax planning strategy. We had cash flow projections demonstrating why the partnership needed the capital injection, and the loan was the most practical way to provide it while maintaining flexibility for both parties.
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