How are contingent payment installment sales calculated under Section 453 regulations?

Question

Tyler Smith · Accepted Answer

A contingent payment sale occurs when the total selling price cannot be determined by the close of the tax year in which the transaction takes place, such as in business acquisitions involving earnouts or royalty agreements. Treasury Regulation Section 15A.453-1(c) provides specific rules for basis recovery across three distinct scenarios:

1. Stated Maximum Selling Price: If the contract includes an earnout cap or maximum potential price, basis is allocated by assuming the maximum price will be received. The gross profit ratio is calculated using this stated maximum. If the seller ultimately receives less than the maximum amount, the taxpayer can recognize an ordinary or capital loss in the final year, or recompute the gross profit percentage once the cap can no longer be reached.

2. Fixed Period with No Stated Maximum: If the total dollar cap is undefined but payments are restricted to a defined term of years, the seller recovers their adjusted basis in equal annual increments across that period. For instance, in a five-year contingent earnout with no maximum price, one-fifth of the total basis is deducted from the payments received each year. If payments in a given year are less than the allocated basis, the unrecovered basis rolls forward into the subsequent tax year.

3. Neither Maximum Price Nor Fixed Period: When neither the total price nor the payment period is established, the transaction is scrutinized closely by the IRS to determine whether a genuine sale occurred. If recognized as a sale, the basis is recovered ratably over an arbitrary period of 15 years. Any payment received each year is offset by one-fifteenth of the basis.

Sellers who face substantial distortion of income under these standard formulas can submit a private letter ruling request to use an alternative basis recovery method.