SBA Financing

SBA Seller Note Standby Requirements Explained

What full standby means for an SBA seller note, when it counts as equity injection, the half-of-injection limit, SBA Form 155, and how sellers are eventually repaid.

By BuyerPass Editorial8 min read

In SBA-financed acquisitions, the phrase "seller note on standby" carries a lot of weight. It can lower the cash a buyer needs at closing, and it changes when, and whether, the seller gets paid. It is also one of the most frequently misunderstood terms in small business deals. This guide explains what standby means under the SBA rules, when a seller note can count toward the equity injection, and what the seller is actually agreeing to.

The SBA rules described here come from SOP 50 10 8.1 with Technical Updates effective October 1, 2026. Lenders may impose stricter conditions, and the standby agreement the lender uses governs the specific note.

What full standby means

Under the SOP, debt is on full standby when there are no payments of principal or interest for the term of the 7(a) loan. That is the full term, not the first two years. If a 7(a) loan has a 10-year maturity, a full-standby note receives nothing for 10 years unless the 7(a) loan is repaid earlier.

  • Interest may accrue on the standby debt during the standby period.
  • Accrued interest may be added to the standby balance and amortized after the 7(a) loan is paid in full.
  • The standby creditor must subordinate any lien rights in collateral securing the loan to the lender.
  • The standby creditor may not take action against the borrower or collateral securing the standby debt without the lender’s consent.
  • The provider of standby debt may not take an equity investment in the business.

The lender must document standby debt on SBA Form 155 or its own equivalent standby agreement, with a copy of the note attached and kept in the credit file.

When a seller note counts as equity

Seller debt that is subordinated to the lender and on full standby may be considered equity for SBA purposes. That matters because a change of ownership transaction requires a minimum equity injection, generally 10%, which you can read about in our guide to SBA down payment requirements.

The important limit: standby seller debt is a limited equity source. Limited sources, individually or in the aggregate, may provide no more than half of the required equity injection. The other half must come from unlimited sources such as the buyer’s own unborrowed cash.

Maximum standby seller note toward the injection
Total project cost $1,200,000Required injection (10%) $ 120,000Maximum from limited sources $ 60,000 (half of the injection)Minimum from buyer cash $ 60,000

Standby seller note versus a seller note with payments

Full standby seller noteMay be treated as equity
  • No principal or interest payments for the 7(a) loan term
  • Can supply up to half of the required injection
  • Interest may accrue and be paid after the 7(a) loan
  • Subordinated; seller cannot enforce without lender consent
Seller note with paymentsTreated as debt
  • Payments during the 7(a) term are allowed if the lender approves
  • Does not count toward the equity injection
  • Counts against the business valuation limit on total debt
  • Must be supported by debt service coverage

Standby notes and valuation gaps

Standby notes also come up when the price exceeds the business valuation. The SOP permits additional limited equity sources to supplement the purchase when the sales price exceeds the value supported by the business valuation and quality of earnings report, but any such additional funds must be on full standby. That is why sellers who insist on a price above the appraisal are often asked to carry the difference on standby.

What standby means for the seller

A seller agreeing to a standby note is taking real risk and waiting a long time. It helps to put numbers on it. Assume a $40,000 seller note at 6% on full standby for a 10-year 7(a) term.

Accrual methodBalance after 10 yearsWhat the seller has received
Simple interest$64,000$0 during the standby period
Interest compounded monthlyAbout $72,776$0 during the standby period
Illustrative accrued balance on a $40,000 standby note at 6%

After the 7(a) loan is repaid, the accrued amount could be amortized and paid, as permitted. But the seller is unsecured in practice relative to the lender, and repayment depends on the business still performing a decade later. Sellers should understand this before agreeing, and it often explains why the price or note size ends up negotiated.

Refinancing seller debt later

The SOP allows seller debt structured with a change of ownership transaction to be refinanced after it has been in place and current for 36 months. That provision applies to seller debt generally; whether a standby note can be refinanced is subject to the lender, the standby agreement, and the eligibility rules for debt refinancing.

How standby notes are typically documented

The LOI, purchase agreement, promissory note, and standby agreement all need to say the same thing. A common source of delay is an LOI that describes "seller financing" generally, followed by a purchase agreement that sets a payment schedule the lender cannot accept. Our SBA LOI guide includes sample LOI wording.

Sample wording

Promissory note standby clause

This Note is subordinate to all obligations of Maker to [Lender] under the SBA-guaranteed loan dated [date] (the "Senior Loan"). No payment of principal or interest will be made on this Note until the Senior Loan is paid in full.

Interest will accrue at 6% per year and will be added to principal. After the Senior Loan is paid in full, the outstanding balance will be payable in 60 equal monthly installments.

Holder will not take any enforcement action under this Note, or against any collateral, without the prior written consent of [Lender], as set forth in the Standby Creditor’s Agreement.

Illustrative wording only. The lender’s standby agreement controls.

Checklist before you rely on a standby note

  1. Confirm the transaction type and the required injection with your lender.
  2. Calculate half of the injection; that is the maximum from all limited sources combined.
  3. Confirm the seller understands that full standby means no payments for the entire 7(a) term.
  4. Agree on the accrual rate and post-standby repayment terms.
  5. Make sure the LOI and purchase agreement describe the note the same way.
  6. Ask the lender for its standby agreement early so the seller’s attorney can review it.

Seller notes outside SBA financing

If you are not using an SBA loan, standby is a negotiated term rather than an SBA definition, and the seller may receive payments from day one. Our guides to types of seller financing and seller financing agreements cover those structures, including amortizing and balloon notes.

A seller deciding whether to carry a note wants to know that the buyer is serious and capable. A complete BuyerPass profile presents your criteria, background, and financing approach, and supports deal-specific proof of funds verification when a broker requests it.

A negotiation scenario: when the seller pushes back

Hypothetical assumptions: a landscaping company is listed at $900,000. Working capital and closing costs bring total project cost to $990,000, so the minimum injection for an initial acquisition is $99,000. The buyer has $60,000 of unborrowed cash after setting aside a personal reserve. The buyer asks the seller to carry $49,500 on full standby, which is exactly half of the injection.

The seller's broker responds that the seller wants monthly payments starting at closing. That request is reasonable from the seller's side, but a note with payments is debt, not equity, so it no longer helps the buyer meet the injection. The buyer now has three realistic options:

OptionEffect on buyer cashEffect on sellerMain tradeoff
Buyer adds $39,000 of cash and the seller note is droppedBuyer cash rises to $99,000Seller receives more cash at closingBuyer has a thinner personal reserve after closing
Seller carries $49,500 on full standby at a higher accrual rateBuyer cash stays near $49,500 to $60,000Seller waits the full 7(a) term but accrues moreLarger balance due to the seller after the 7(a) loan is repaid
Seller carries a separate note with payments, in addition to full equity from the buyerBuyer cash rises to $99,000Seller gets monthly payments if the lender approves themTotal debt must fit the valuation and coverage tests
Price is reducedInjection falls with total project costSeller accepts less but is paid at closingRequires the seller to accept a lower value
Hypothetical responses to a seller who will not accept full standby

Two deal terms often get confused here. A seller who wants to be paid during the 7(a) term is asking for an amortizing seller note, which some lenders accept as debt alongside the full cash injection. A seller who agrees to wait is providing a standby note that may count toward up to half of the injection. The LOI should say which one the parties mean.

Hypothetical $990,000 project with a $49,500 standby note

Total project cost$990,000
  • SBA 7(a) loan90% of total project cost$891,00090%
  • Buyer cashUnlimited source$49,5005%
  • Seller note on full standbyLimited source, half of the injection$49,5005%
Illustrative figures. The lender decides the loan amount and may require more equity.

Common mistakes with standby notes

  • Treating a two-year payment holiday as full standby. Under the SOP definition used for equity treatment, standby runs for the full 7(a) term.
  • Counting more than half of the injection from limited sources. Standby seller debt and qualifying minority investments share the same half-of-injection cap.
  • Leaving the note out of the LOI and raising it only after the lender issues terms. Sellers who first hear about standby in the purchase agreement often reprice the deal.
  • Ignoring the post-standby payment terms. Agreeing on accrual and the eventual amortization schedule up front avoids a dispute ten years later.
  • Assuming the seller can keep a minority stake. The provider of standby debt may not take an equity investment in the business.
  • Using a standby note to cover a valuation gap without telling the lender. Funding above the valuation is a lender underwriting question, and any additional limited equity used for that purpose must be on full standby.

Frequently asked questions

Can the seller receive any payments during standby?

Not for equity treatment. Full standby means no payments of principal or interest for the term of the 7(a) loan. Interest can accrue and be paid later. If a seller needs income during the term, the note is debt, and the lender decides whether payments are allowed.

What happens if the business is sold or refinanced before the 7(a) loan matures?

If the 7(a) loan is paid off early, for example through a sale of the business, the standby period ends with it and the seller note becomes payable under its terms. The note and standby agreement should state what triggers repayment so both sides know the order of payment.

Does the seller need a lawyer for the standby agreement?

It is strongly advisable. The seller is subordinating rights and agreeing not to enforce the note without the lender's consent. The seller's attorney should review the lender's standby agreement and the promissory note before the LOI is signed, not after.

Is standby seller financing a sign of a weak buyer?

No. It is a common SBA structure that lets a seller share some of the risk in exchange for a price the buyer could not otherwise fund. Sellers who agree to it usually want confidence in the buyer. A clear business buyer resume and verified funds for the cash portion make that conversation easier.

Sources and references

Confirm transaction-specific requirements with your broker, lender, and advisors.

The BuyerPass Editorial team writes practical guidance for business buyers, brokers, and sellers. Articles are educational and are not legal, tax, lending, or investment advice.