We want to use a Section 453 installment sale to defer capital gains across a five-year payout, but we are terrified of buyer default. What security instruments, default covenants, and note acceleration clauses do we need to protect our principal?

Question

Tyler Smith · Accepted Answer

An installment sale governed by Section 453 allows you to defer capital gains tax liabilities by recognizing income only as you receive principal payments over time. This keeps you out of the highest tax brackets and allows the unpaid portion to generate interest income. However, tax deferral is useless if the buyer runs the business into bankruptcy and defaults on your note.

To protect your principal, treat yourself like an institutional mezzanine lender. You need four non-negotiable structural protections in the loan agreement:

- Perfected security interests. File a UCC-1 financing statement granting you a senior security interest in the company's tangible equipment, inventory, intellectual property, and accounts receivable. If the buyer uses senior bank financing, your note will be subordinated, but you must demand a second-lien position rather than holding unsecured paper.
- Personal guarantees and equity pledges. Require the buyer's holding company and operating entity to execute personal guarantees, backed by a pledge of one hundred percent of the operating company's stock held in escrow until the note is fully paid.
- Financial maintenance covenants. Mandate that the buyer deliver quarterly audited financials and maintain minimum debt-service coverage ratios and working capital thresholds. Track these metrics the same way you would track an EOS Scorecard.
- Cross-default and acceleration clauses. If the buyer defaults on their senior bank debt, fails to make an installment payment within ten business days, or attempts to sell major corporate assets, your note must automatically accelerate, making the entire outstanding principal and interest immediately due.