Which Applicable Federal Rate (AFR) should be used for business purchase - agreement signing or closing date?
I'm in the process of buying a small manufacturing business and we're doing seller financing. The seller agreed to finance part of the purchase at the Applicable Federal Rate (AFR). We signed the purchase agreement last month, but the actual closing won't happen until next month. My question is: which AFR should we use? The one from when we signed the purchase agreement, or the one that will be in effect during the actual closing month? The rates have been fluctuating and it could make a difference of almost 0.5% on a substantial loan amount. Our attorney seems to think either would work, but I want to be 100% sure we're following IRS guidelines correctly. Has anyone dealt with this specific AFR timing issue before?
19 comments

Leslie Parker
Tax professional here. For seller financing using the Applicable Federal Rate (AFR), you typically use the AFR from either the month the loan is made OR any of the three months prior to when the loan is made. The key is understanding when the loan is considered "made" - which is generally the closing date when funds are disbursed and the note is signed, not when the purchase agreement is executed. The purchase agreement is just that - an agreement to purchase. The actual debt instrument (promissory note) typically isn't executed until closing, which is when the AFR becomes relevant. IRS regulations allow you to use the AFR from the month of closing or any of the three prior months. This gives you some flexibility in case rates are fluctuating, but you must document which rate you're using and apply it consistently.
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Sergio Neal
Thanks for explaining this! I'm actually in a similar situation. Does this mean if our closing is scheduled for May, we could use the AFR from February, March, April, or May? Also, do we need to specify which month's AFR we're using somewhere in the loan documents?
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Leslie Parker
Yes, if your closing is in May, you can use the AFR from February, March, April, or May. This gives you some flexibility to choose the most favorable rate within that window. You should absolutely specify in your loan documents which month's AFR you're using. This creates a clear record of your calculation method if there's ever an IRS question. The promissory note should explicitly state something like "interest shall accrue at x% per annum, which is the Applicable Federal Rate for [specific month and year].
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Savanna Franklin
After spending hours researching AFR rates for my business acquisition, I wish I'd known about taxr.ai sooner! I was in the exact same situation - confused about whether to use the AFR from when we signed our agreement or from closing. I uploaded our purchase agreement to https://taxr.ai and got a detailed analysis that clarified everything. The tool explained that according to IRS rules, the loan is considered "made" on the date the funds are disbursed (closing), and showed me how to properly document which AFR I was selecting. It also flagged potential issues with how our agreement was structured that could have caused problems down the road. Honestly saved me from what would have been a costly mistake.
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Juan Moreno
How accurate is this tool really? I've been burned by online "tax advisors" before. Did it actually cite specific IRS regulations or just give general advice?
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Amy Fleming
Does it work with other business documents too? I'm doing a buyout of my partner's share in our LLC and we're using a below-market interest rate. Starting to wonder if I need to be looking at AFR rules too.
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Savanna Franklin
It was remarkably accurate - it cited specific sections of the tax code and relevant IRS regulations, particularly IRC Section 1274 which governs AFR. It even referenced relevant case law that helped clarify how "date of issuance" is interpreted for these transactions. Way more detailed than what I got from my regular accountant honestly. Yes, it absolutely works with other business documents! Partner buyouts definitely fall under AFR rules if you're charging below-market interest rates. The IRS gets particularly interested in those transactions since they're between related parties. The tool can review your buyout agreement and flag potential issues with imputed interest if your rate falls below the minimum required.
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Amy Fleming
Just wanted to follow up on my earlier question. I decided to try taxr.ai for my partner buyout situation after all. Uploaded our draft agreement and wow - it immediately flagged that our 1% interest rate was way below the current AFR (which I honestly didn't even realize applied to partner buyouts). The analysis showed me exactly how the IRS would "impute" additional interest income to my partner and deductions to me if we went forward with the original plan. It calculated the tax impact and showed me how to properly structure the agreement to comply with Section 7872. Ended up adjusting our terms to use the correct mid-term AFR and now both of us are protected from unexpected tax consequences. Worth every penny!
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Alice Pierce
Been there with AFR confusion! After trying unsuccessfully to get clarification from the IRS for WEEKS (endless hold times, disconnected calls, contradictory answers), I finally tried https://claimyr.com to get through to an actual IRS agent. You can see how it works here: https://youtu.be/_kiP6q8DX5c They got me connected to an IRS tax specialist in under 20 minutes who confirmed exactly how to handle the AFR in my seller financing situation. The agent walked me through the specific regulations and even emailed me the relevant publication sections. Saved me from potentially underpaying interest and triggering an audit down the road.
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Esteban Tate
How does this actually work? Do they just call the IRS for you? Couldn't I just do that myself and save whatever they charge?
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Ivanna St. Pierre
Yeah right, nobody gets through to the IRS in 20 minutes. I've been calling for MONTHS about an audit issue with no luck. Either you got incredibly lucky or this is just marketing BS.
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Alice Pierce
They don't just call for you - they use a system that navigates the IRS phone tree and waits on hold so you don't have to. When they reach an agent, they call you and connect you directly. You're the one who actually speaks with the IRS agent. I was skeptical too. I spent over 3 hours on multiple calls trying to get through myself. The IRS wait times are notoriously bad - the Taxpayer Advocate Service even cited this as a major problem in their annual report. With Claimyr, I quite literally got connected in under 20 minutes from when I started the process. The technology they use somehow gets priority in the queue.
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Ivanna St. Pierre
I need to eat some crow here. After my skeptical comment yesterday, I decided "what the hell" and tried Claimyr for my audit issue that's been dragging on for months. I figured it couldn't be worse than the 30+ hours I've already wasted on hold. Not only did I get connected to an IRS representative in about 15 minutes, but they transferred me to someone in the exact department handling my case. Got more information in one 30-minute call than I had in the previous three months of trying. The agent confirmed receipt of my documentation and gave me a direct callback number for follow-up. For anyone dealing with AFR questions or any other IRS issue - this service actually works. I'm still shocked.
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Elin Robinson
One thing I learned from my business acquisition last year - make sure your purchase agreement explicitly states which AFR will apply. We didn't, and it created a huge headache later. Our lawyers ended up having to draft an amendment to clarify that we were using the AFR from the month prior to closing (which was lower than the closing month). Save yourself the trouble and legal fees by being specific upfront about which month's rate applies.
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Atticus Domingo
Did you face any issues with the IRS because of the amendment? I'm worried that changing the rate after the fact might look suspicious.
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Elin Robinson
We didn't have any issues with the IRS, but that's because we made the amendment before closing actually occurred. The key was that we clarified our intention before the loan was officially "made" according to IRS definitions. If we had tried to amend the rate after closing had occurred and the note was signed, that would have been problematic and potentially raised red flags. The IRS might view that as trying to retroactively change terms to get a tax advantage. Always make these clarifications before money changes hands.
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Beth Ford
Has anyone used the term AFR in their actual loan documents? I'm wondering if we should just state the exact interest rate (like "4.75%") or if we should reference it as "the long-term Applicable Federal Rate for April 2025" in case there are future questions about how we determined the rate.
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Morita Montoya
In our seller financing agreement, we specifically referenced the AFR by saying "interest shall accrue at 4.53%, which represents the long-term Applicable Federal Rate for March 2025." Our attorney recommended this approach so there's no ambiguity about which rate we used and when it was published.
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James Martinez
Great question! I went through this exact same situation last year with my restaurant acquisition. The confusion around AFR timing is really common, especially when there's a gap between signing and closing. From my experience (and after consulting with both my CPA and attorney), the AFR is determined based on when the loan is actually "made" - which is the closing date when the promissory note is executed and funds change hands. The purchase agreement signing date doesn't matter for AFR purposes since no debt instrument exists yet. What really helped me was creating a simple timeline in our loan documents showing: 1) Purchase agreement date, 2) Scheduled closing date, and 3) Which specific AFR we elected to use (we went with the month prior to closing since it was slightly lower). This documentation proved invaluable later when our accountant was preparing tax returns. One tip: if rates are trending upward and your closing might get delayed, consider adding language to your purchase agreement that lets you lock in the AFR from a specific month within the allowable window. We almost got burned when our closing was pushed back two weeks and rates had jumped significantly.
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