We are considering an installment sale to defer our capital gains taxes under Internal Revenue Code Section 453, but we are worried about buyer default. How do we secure the unpaid balance without triggering immediate constructive receipt of the full purchase price?

Question

Tyler Smith · Accepted Answer

Structuring an installment sale under Section 453 is an excellent way to defer your tax liability, but you must walk a fine line to avoid constructive receipt. If the IRS determines you have unrestricted control over the funds, they will tax the entire gain in the year of the sale, regardless of when you actually get paid.

To secure the buyer's promissory note without triggering immediate taxation, you cannot use a standard cash escrow that is unconditionally pledged to you. Instead, secure the installment note using a standby letter of credit from a reputable financial institution or a third-party guarantee. The security instrument must be non-negotiable and non-transferable, meaning you can only draw on it if the buyer actually defaults on their payments.

From an operational perspective, treat the buyer's ongoing financial health as a key metric. Just as you monitor your own company health metrics on your weekly Scorecard, you should require the buyer to provide quarterly financial statements and maintain specific financial covenants, such as a minimum debt service coverage ratio.

If they breach these covenants, it triggers an immediate default, allowing you to accelerate the note or call the letter of credit before the business deteriorates completely. Always coordinate this structure with your tax counsel and valuation advisors to ensure compliance with the strict rules of Section 453.