We are structuring our exit using an installment sale under Section 453 to spread out our tax burden, but we are worried about buyer default. How do we secure the installment note without violating IRS rules or restricting our buyer's operational freedom?

Question

Tyler Smith · Accepted Answer

Spreading out your tax liability using a Section 453 installment sale is a smart strategy, but it exposes you to the risk of the buyer running the business into the ground before you get paid. To protect yourself, you must secure the installment note with specific collateral without triggering an immediate tax event.

The IRS allows you to secure a seller note with a standby letter of credit or by taking a security interest in the assets of the business being sold. You should avoid securing the note with third-party guarantees that the IRS might interpret as a constructive receipt of payment, which would trigger your entire tax bill immediately. Instead, structure the security agreement to give you a first-priority lien on the intellectual property, proprietary AI systems, or customer contracts of the operating business.

In your deal terms, include operational covenants that the buyer must maintain. For example, require them to maintain a minimum level of working capital, keep key leadership roles filled by qualified personnel who GWC their seats, and share their weekly Scorecard with you. This allows you to monitor the health of the business. If they breach these covenants, it triggers a default on the note, allowing you to reclaim the assets before the value is destroyed.