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I.          Introduction

On December 15, 2025, the U.S. Department of the Treasury (“Treasury”) and the Internal Revenue Service (the “IRS”) published final regulations (the “Final Regulations”) and proposed regulations (the “Proposed Regulations”) under section 892.[1] The Final Regulations finalize, with modifications

I.          Introduction

Should courts respect a transaction for tax purposes, when it otherwise complies with the technical requirements of the Internal Revenue Code and regulations? When should a court take the next step and consider the economic substance of a transaction and its motivations?

In two highly-awaited court decisions