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Navigating IRS Scrutiny in Multi Step Transactions


  • By
  • | 12:00 a.m. April 10, 2026
  • Industry Insights
  • Williams Parker
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The Supreme Court of the United States has held that tax implications of a transaction are governed by the underlying substance of such a transaction, rather than its formal structure. In other words, the substance, not necessarily the form, controls how a transaction is treated for tax purposes.

To determine whether a transaction’s substance aligns with its form, the IRS traditionally applies three tests:

            1. The end-result test,

            2. The interdependence test, and

            3. The binding commitment test.

Under the end‑result test, if a series of steps is prearranged with a specific outcome in mind, the IRS may treat all steps as a single transaction. Similarly, the interdependence test collapses steps that have significance only when considered together. The binding‑commitment test adds another layer and analyzes whether the parties were legally obligated from the outset to complete later steps in the transaction. If such a binding obligation exists, the IRS may treat all steps as occurring at once.

One application of these tests applies to deferred sales of S-corporation stock to a non-qualified buyer.  If not properly structured, the deferred sale may terminate the corporation’s S-election, causing unanticipated income tax consequences to both the buyer and seller. Under Internal Revenue Code § 1362(d)(2)(A), an S-election terminates “on and after the date of cessation” when the corporation ceases to qualify as a “small business corporation,” including the moment an ineligible shareholder acquires the corporation’s stock. To maintain the S-election during the deferred sale period, the transaction must be structured so that the seller, who is a qualified shareholder, remains the owner of the stock for federal tax purposes until the final deferred sale date. This requires demonstrating that the intermediate steps have independent economic significance and that the "benefits and burdens" of ownership have not yet passed to a non-qualified buyer.

This example demonstrates why it is essential for tax professionals and their clients to analyze multi-step transactions not only on their formal structure but also consider how the IRS may recharacterize it based on its underlying economic substance. Even when transactions are deliberately structured to preserve a particular tax outcome, the IRS may seek to recharacterize the transaction based on its economic substance, potentially overriding the tax results the parties expected to obtain through its formal structure.

Gianna advises individuals, families, and business owners on estate planning and corporate matters, wealth preservation, succession planning, and transactional work. She can be contacted at [email protected] or 941-329-6623.