Quoted from the SOP text and the SBA issuance notices, read firsthand 10 September 2026
SBA SOP 50 10 8: Business Acquisition Loan Requirements, Change of Ownership Rules and the SOP 50 10 8.1 Update
SOP 50 10 8 is the SBA rulebook your lender underwrites your acquisition against. It took effect on 1 June 2025 and applies to every 7(a) and 504 application issued an SBA loan number on or after that date. If you are buying a business with SBA financing, five of its rules decide whether your deal is fundable: you must inject at least 10 percent of total project costs, a seller note counts toward that injection only on full standby for the life of the loan and only up to half of it, the loan cannot exceed the business valuation amount, seller earnouts are prohibited outright, and on a complete change of ownership the seller cannot stay on beyond a consulting contract of twelve months.
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SOP 50 10 8.1 replaces it on 1 October 2026. SBA published the issuance notice, control number 5000-880695, on 14 August 2026. The new SOP applies to applications issued an SBA loan number on or after 1 October 2026, and the change of ownership rules move into a new Appendix 15. If your loan is in underwriting right now, the version that governs it depends on a date that has not happened yet, which is the single most consequential thing on this page.
Everything quoted below was read directly from the SOP 50 10 8 text and from the SBA information notices on 10 September 2026, not from a summary of them. Where a widely repeated claim about SOP 50 10 8.1 could not be checked against the SOP itself, we say so rather than repeating it. Buyouts is a marketplace for AI SaaS businesses with verified MRR, ARR, growth and churn. Browsing is free and buyer membership is planned rather than currently on sale. This page is educational and is not legal, tax or lending advice.
SOP 50 10 8 governs SBA acquisition loans numbered from 1 June 2025, SOP 50 10 8.1 takes over for loans numbered on or after 1 October 2026, and the trigger in both cases is the date SBA issues the loan number rather than the date you signed the LOI or submitted the application.
Quoted from SOP 50 10 8, Section B, Chapter 1
SBA SOP 50 10 8 change of ownership requirements, in the SOP wording
These are the rules that most often kill or restructure a small acquisition. The middle column is quoted or closely paraphrased from the SOP text itself, which we read on 10 September 2026. The right column is what it means when you are sitting across from a seller.
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| Rule | What SOP 50 10 8 says | What it means for your deal |
|---|---|---|
| Equity injection, complete change of ownership | At least 10 percent of total project costs, defined as all costs required to complete the change of ownership, regardless of the source of funds, except for lines of credit and 504 loans | The 10 percent is measured against everything the deal costs, not against the purchase price. Working capital, closing costs and fees are inside the base, so your real cash requirement is higher than ten percent of the sticker price |
| Seller note toward the injection | Seller debt may not be considered part of the equity injection unless it is on full standby for the life of the SBA loan, and it does not exceed half of the SBA required equity injection | A seller note can cover at most 5 percent of a 10 percent injection, and only if the seller accepts no principal and no interest for the entire loan term. You still need the other half in real cash |
| Loan capped at the valuation | The maximum 7(a) loan uses of proceeds for any change of ownership is capped at the business valuation amount, and any financed shortfall must be subordinate to the 7(a) loan | If the appraiser comes in below your agreed price, SBA will not fund the gap. You close it with cash or with subordinated seller paper, or you renegotiate |
| Seller earnouts | Seller earnouts are prohibited; however, buyer rebates based on business performance are allowed because this is a benefit to the Borrower | The earnout you negotiated is not fundable, but the mirror image of it is. A buyer rebate that pays you back if performance misses survives the rule where a seller earnout does not |
| Seller staying on | Except as provided below, the seller may not remain as an officer, director, stockholder, or employee of the business. A consulting contract may run for a period not to exceed 12 months including any extensions | On a complete buyout you get twelve months of the founder as a paid consultant and no more. Plan the knowledge transfer around that ceiling before you sign |
| Independent business valuation | The lender may perform its own valuation if the amount being financed, minus the appraised value of real estate and equipment being financed, is 250,000 dollars or less. Above that, or where buyer and seller are closely related, an independent Qualified Source valuation is required | The threshold is not the purchase price. It is the financed amount net of hard assets, which is why plenty of deals above 250,000 dollars still fall under the lender self valuation tier |
| Multi-step partial buy-ins | Multi-step partial changes of ownership are not eligible | The common structure where existing owners and a new partner form a holding company that then owns the operating company is disqualified. Structure it directly or lose the guaranty |
| Partial sale, seller keeping a stake | A selling owner who remains a direct or indirect owner and holds less than 20 percent post-sale must guarantee the full loan amount for 2 years after disbursement | Rollover equity does not release the seller. A founder keeping 5 percent is personally on the hook for the whole loan for two years, which is usually news to them |
| Site visit | For complete changes of ownership and complete partner buyouts, a site visit of the business being acquired is required, with the date and comments documented in the loan file | Even a fully remote software business needs a documented site visit. Ask your lender early how they intend to satisfy this on a distributed company |
| Partner buyout above 90 percent financing | If the loan finances more than 90 percent of a partner buyout price, remaining owners must certify active participation and the same or an increasing ownership interest for at least the past 24 months | A partner who joined fourteen months ago cannot use a 7(a) loan to buy out the founder at 95 percent financing. Wait out the 24 months or bring more equity |
Two of these are worth reading twice. The equity injection base is total project costs, not purchase price, and that difference is where first-time buyers underestimate their cash requirement by five figures. And the 250,000 dollar valuation threshold is measured on the financed amount minus appraised real estate and equipment, which is a narrower base than almost every article about this rule states. On a services business or a software business with no hard assets those two numbers converge, but on a deal carrying a building or a fleet they do not, and the difference decides whether you pay for an independent appraisal.
The 1 October 2026 handover
SOP 50 10 8 vs SOP 50 10 8.1: what is confirmed, what is claimed, and what is unverifiable
SBA published the SOP 50 10 8.1 issuance notice, control number 5000-880695, on 14 August 2026. We read that notice firsthand. The SOP 50 10 8.1 document itself is a different matter, covered in the row at the bottom of this table.
Swipe to see every column →
| Item | Status as of 10 September 2026 | Source we actually read |
|---|---|---|
| SOP 50 10 8.1 effective date | Confirmed: 1 October 2026, applying to all applications issued an SBA loan number on or after that date | SBA Information Notice 5000-880695, published 14 August 2026 |
| Which SOP governs a deal in flight | Confirmed but ambiguous. The notice says the new SOP applies from the loan number, and in the next sentence says lenders must use SOP 50 10 8.0 for applications submitted through 30 September 2026 | Same notice, two consecutive sentences |
| Change of ownership rules relocated | Confirmed: the notice states change of ownership lending updates are now found within Appendix 15 | Same notice |
| Other 8.1 changes flagged by SBA | Confirmed: new flexibilities for SBA Express and for same institution debt refinancing | Same notice |
| Mandatory quality of earnings report at 3,000,000 dollars | Claimed by several lender advisories, not verified by us against the SOP text | Lender and advisory commentary only. We could not open SOP 50 10 8.1 to check it |
| Removal of the 250,000 dollar lender self-valuation tier | Claimed by several lender advisories, not verified by us. It is present in SOP 50 10 8, which we did read | SOP 50 10 8 for the current rule; advisory commentary only for the removal |
| Where to download SOP 50 10 8.1 from SBA | Not published. SBA indexes the issuance notice but its SOP 50 10 library entry attaches nothing newer than SOP 50 10 5(K) from February 2019 | legacy.sba.gov document library, checked twice on 10 September 2026 |
That last row is the finding we would keep if we could keep only one. On 10 September 2026 we searched the SBA document library for SOP 50 10 8.1 and got exactly two results: the issuance notice, and the library entry titled SOP 50 10 Lender and Development Company Loan Programs. We opened that entry with a browser user agent and listed every PDF attached to it. The newest is SOP 50 10 5(K), dated 15 February 2019. The agency that wrote the rulebook governing your acquisition loan announces each new edition on its own website and does not host the edition itself. The current text circulates through lender associations, environmental consultancies and law firms that mirror it. This is not a conspiracy, it is a records-management gap, but the practical effect is real: ask your lender to send you the section they are underwriting to, because you cannot reliably pull it yourself.
Side by side
Buying with an SBA loan against buying a small software business outright
A fair look at what each does well. Both are useful. Here is where they differ.
| Feature | Buyouts | SOP 50 10 8 |
|---|---|---|
| Who sets the rules | Buyer and seller, inside the purchase agreement | SBA SOP plus the lender credit policy layered on top |
| Cash required at close | Whatever the parties negotiate | At least 10 percent of total project costs, half of which can be a full standby seller note |
| Earnout available | Yes, if both sides agree to one | No. Seller earnouts are prohibited. Buyer rebates are allowed |
| Price above appraised value | Possible, funded however the buyer chooses | Loan capped at the valuation, shortfall must be subordinated |
| Founder transition length | Set in the agreement | Consulting capped at 12 months including extensions on a full buyout |
| Typical timeline | Weeks, subject to diligence | Months, with valuation, site visit and IRS transcript steps built in |
| Can you transact today | Not yet on Buyouts. Browsing is free and buyer membership is planned, not on sale | Yes, through any SBA 7(a) lender |
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The date that decides which rulebook you are underwritten against is not the date you think it is
Read the applicability sentence carefully, because it is the operative one. SOP 50 10 8.1 will apply to all applications that are issued an SBA loan number on or after 1 October 2026. Not signed, not submitted, not approved by the lender credit committee. Numbered. SBA issues the loan number through E-Tran, and on a delegated file that can happen days after the lender finishes underwriting, or weeks after you signed the letter of intent. A buyer who signs an LOI in mid September and expects to be governed by SOP 50 10 8 is making an assumption about their lender processing queue, not about the rules. The same notice then creates a genuine ambiguity in the very next sentence. It instructs lenders and SBA employees to continue using SOP 50 10 8.0 for applications submitted through 30 September 2026. Those two sentences use different triggers. An application submitted on 29 September and numbered on 3 October satisfies both of them at once, and the notice does not say which one wins. In practice lenders treat the loan number as controlling, because that is the phrasing the SOP uses for its own applicability, but the notice does not say so and you should not assume it. If your deal is anywhere near the boundary, get your lender to confirm in writing which SOP they are underwriting to and what date they expect to pull the number. That one email is worth more than any article about the changes, including this one. The precedent is documented. The previous handover worked identically: SBA Information Notice 5000-866746, effective 21 April 2025, said SOP 50 10 8 would take effect on 1 June 2025 and apply to all applications issued an SBA loan number on or after that date, with SOP 50 10 7.1 governing everything numbered through 31 May 2025. Same structure, same trigger, same trap.
The earnout ban is real, and the workaround is written into the same sentence
SOP 50 10 8 states it plainly: seller earnouts are prohibited. If you negotiated a deal where the seller gets an additional payment for hitting a revenue or retention target after close, that structure is not fundable with a 7(a) loan, full stop. This surprises people because earnouts are standard practice in the middle market and because they solve a genuine problem, namely that buyer and seller disagree about the durability of the numbers. What almost nobody quotes is the rest of the sentence. Buyer rebates based on business performance are allowed, because this is a benefit to the Borrower. The SOP then explains what to do with the money: if the borrower receives funds under the rebate, it should first be applied to pay down the 7(a) loan to a point that will not trigger a subsidy recoupment fee, and any remaining funds may be used for business purposes. That is an economically meaningful substitute, and it is worth understanding why. An earnout says the price goes up if the business performs. A buyer rebate says the price goes down if it does not. Those are not identical, and the difference matters most to whoever is more confident. A seller who genuinely believes the trajectory should be indifferent between the two, because both settle at the same place in the good case. A seller who is quietly worried will resist the rebate hard, and that resistance is diligence information you did not have to pay for. If you are structuring a deal that has to clear SBA underwriting, propose the rebate and watch the reaction. The mechanical constraint is that a rebate has to be documented as a purchase price adjustment in the agreement, with a defined measurement period and a defined trigger, and it has to be secured well enough that it is collectible. An unsecured promise from a seller who has already been wired the money is not a structure, it is a hope. This is one of the places where the deal documents earn their fee, and where the difference between an asset purchase agreement drafted for the transaction and a template pulled off the internet shows up eighteen months later.
The 10 percent injection is measured against a bigger number than most buyers budget for
The SOP defines the base precisely: at least 10 percent of the total project costs, meaning all costs required to complete the change of ownership, regardless of the source of funds, except for lines of credit and 504 loans. Total project costs is not the purchase price. It includes the working capital you are financing into the deal, the closing costs, the guaranty fee, the valuation, the appraisal, the legal work and anything else the loan is funding to get the business across the line. Work an example. A business sells for 1,000,000 dollars. The buyer also finances 120,000 dollars of working capital and about 40,000 dollars of closing and financing costs. Total project cost is 1,160,000 dollars, so the minimum injection is 116,000 dollars rather than the 100,000 dollars the buyer had in their head. That is our arithmetic on the SOP definition, not a figure SBA publishes, and it is a 16,000 dollar surprise arriving late in a process where cash is already tight. Now the seller note. Seller debt counts toward the injection only if it is on full standby for the life of the SBA loan and does not exceed half of the required injection. On the example above that caps the seller note portion at 58,000 dollars, and only if the seller agrees to receive no principal and no interest until the SBA loan is retired, which on a ten year note means a decade of nothing. Sellers routinely agree to a standby note and then discover what full standby means. The other 58,000 dollars has to be genuine buyer cash, verified. So a deal marketed as ten percent down is, in the structure most buyers imagine, five percent real cash plus a seller who has to be talked into a decade of patience. There is one exemption and it is narrow. If an existing business acquires a business in the same 6-digit NAICS code, with identical ownership, in the same geographic area, and the two are co-borrowers, SBA treats it as a business expansion and does not require a minimum equity injection. The SOP defines same geographic area as the acquiring entity being within a reasonable distance of the subject business, allowing management to exercise similar daily control over both locations. Every one of those four conditions has to hold. Lender advisories reported in August 2026 that SOP 50 10 8.1 loosens the NAICS test from 6 digits to 4 and drops the geographic requirement, which would widen this exemption considerably. We could not verify that against the SOP 50 10 8.1 text, for the reason set out in the table above, and we are not going to state it as fact until we can.
Why the valuation rule bites hardest on software and other asset-light businesses
Two SOP rules interact here and together they explain most of the frustration buyers feel when an SBA deal falls apart late. The first is the cap: the maximum 7(a) loan uses of proceeds for any change of ownership is capped at the business valuation amount, and when the valuation is lower than the sales agreement, any financed capital covering the shortfall must be subordinate to the 7(a) loan. The second is the threshold that decides who does the valuing. The lender may perform its own valuation when the amount being financed, including any 7(a), 504, seller or other financing, minus the appraised value of real estate and equipment being financed, is 250,000 dollars or less. Above that figure, or where there is a close relationship between buyer and seller such as a family transaction or a deal between existing owners, the lender must obtain an independent business valuation from a Qualified Source. Read that subtraction again, because almost every summary of this rule gets it wrong. The base is not the purchase price. It is the financed amount net of appraised hard assets. On a manufacturer with a building and machinery, a 900,000 dollar deal can sit under the threshold once real estate and equipment come out. On a software company, a services firm or an agency there is nothing to subtract, so the financed amount is the base and essentially any deal above 250,000 dollars triggers an independent valuation. That is why asset-light acquisitions almost always carry a Qualified Source appraisal and asset-heavy ones sometimes do not, and it is worth knowing before you budget for the deal. The SOP does permit financing intangibles. An SBA guaranteed loan may fund a change of ownership that includes goodwill, customer lists, patents, copyrights, trademarks, intellectual property and non-competes, as long as it is supported by an independent business valuation. For a software business that is the whole balance sheet, which puts the appraisal at the center of the transaction rather than at the edge of it. If the valuation comes in under the agreed price, you are choosing between more cash, a subordinated seller note, or a renegotiation. Getting the numbers verified before you go to a lender, rather than discovering a gap at appraisal, is the cheapest version of that problem.
Keep reading on the parts of a deal this page touches: SBA loan to buy a business, rates, lenders and financing, how a business partner buyout is structured and priced, earnout agreements, seller notes and working capital adjustments, the full process of buying a business, LOI through close, what an asset purchase agreement covers and costs.
Good questions
SBA SOP 50 10 8 questions buyers ask before they sign
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