How does Section 453 handle deferred gain when the seller receives additional contingent payments, like an earnout, from a business sale?

Question

Tyler Smith · Accepted Answer

Section 453, the installment method, is specifically designed to defer capital gains tax when payments for a property sale are received over more than one tax year. When a business sale includes contingent payments, such as an earnout agreement, the application of Section 453 becomes more nuanced but remains highly beneficial for tax deferral.

For contingent payment sales, the IRS generally requires the seller to recover their basis ratably over the period payments are expected, or if there is no stated maximum selling price, over 15 years. If the total selling price cannot be readily ascertained at the time of sale, the regulations provide specific rules to determine how gain is recognized as contingent payments are received. This prevents sellers from having to pay tax on income they have not yet realized.

There are three main scenarios for contingent payment sales under Section 453:

1. Maximum Selling Price is Stated: If there is a maximum selling price, the gross profit percentage is calculated assuming the maximum price will be received. Any adjustments are made in subsequent years if the actual payments fall short or exceed estimates.
2. No Maximum Selling Price, but a Fixed Payment Period: If payments are spread over a fixed number of years, the basis is allocated equally to each year. Gain is then recognized as payments are received, often resulting in larger gain recognition early on if payments are front-loaded.
3. Neither Maximum Selling Price Nor Fixed Payment Period: In this scenario, the regulations generally assume a 15-year payment period, allocating basis ratably over that time. If the payments cease before 15 years, or continue beyond, adjustments are made. The IRS typically requires sellers to use the income forecast method for certain assets if the 15-year rule is not suitable.

The key advantage for sellers with earnouts is that Section 453 allows them to defer tax on the contingent portion of the gain until those earnout payments are actually received, aligning the tax obligation with the cash flow. This significantly improves post-tax cash retention and financial planning.