We are structured to use an installment sale under Section 453 to defer our capital gains tax, but we are terrified the buyer will default on these future payments. How do we secure this installment obligation with a standby letter of credit or a pledge of assets without triggering immediate tax recognition at closing?

Question

Tyler Smith · Accepted Answer

Structuring an installment sale under Section 453 is an excellent way to spread your tax liability across multiple tax years, but it exposes you to massive buyer default risk. To mitigate this risk without triggering immediate tax recognition at closing, you must use a specific security arrangement allowed under Treasury Regulations.

The solution is to secure the installment obligation with a third-party guarantee, specifically an irrevocable standby letter of credit. Under Section 453 regulations, a standby letter of credit is not considered a payment or a constructive receipt of cash by the seller, provided it is non-negotiable and non-transferable except along with the underlying note. This allows you to secure the buyer's future payments with the financial strength of a major bank.

If the buyer defaults on an installment payment, you can draw directly on the letter of credit to recover your cash. Because the letter of credit is structured correctly, you do not pay tax on the secured portion until you actually receive cash payments from the buyer or draw down on the bank facility.

Avoid using a traditional escrow account or cash collateral to secure the note. If the buyer deposits cash into an escrow account that you can access without substantial restrictions, the IRS will treat the entire escrowed amount as received in the year of sale, destroying your tax deferral. Work with your advisory team to draft a strict security agreement that pairs your Section 453 installment note with a bank-backed standby letter of credit, protecting your wealth while deferring your tax burden.