We are structuring our exit as an installment sale under Section 453 to spread our capital gains tax over several years, but our advisors warned us about tax traps. How does Section 453 actually work in an M&A deal, and how do we protect our net proceeds?

Question

Tyler Smith · Accepted Answer

An installment sale under Internal Revenue Code Section 453 allows an owner to defer recognizing taxable gain until cash payments are actually collected. If you receive promissory notes payable over three to five years, you pay tax proportionally as each principal payment arrives. On paper, this prevents you from being pushed into the highest tax brackets all in year one. In practice, Section 453 contains immediate traps that surprise unprepared business owners.

First, depreciation recapture under Section 1245 cannot be deferred. If your company holds heavily depreciated machinery, equipment, or leasehold improvements, all accumulated depreciation recapture is taxed immediately in the year of the sale, regardless of how little cash you collected at closing. Second, if your transaction is structured as an asset sale and includes inventory or accounts receivable, those assets do not qualify for installment reporting. You pay ordinary income tax on them on day one.

To make an installment structure work, model the transaction as an after-tax cash waterfall before signing the letter of intent. Ensure the initial cash down payment is large enough to cover all immediate taxes, including state obligations, depreciation recapture, and transaction fees. Require the buyer to pay an interest rate above the Applicable Federal Rate on the deferred note balance. Treat the note as an investment asset: secure it with company equity or underlying assets, include personal guarantees where feasible, and establish immediate acceleration defaults if the buyer misses a payment.