Soroban and Sirius: The Battle Over the Limited Partner Exception Reaches a Turning Point
Few partnership tax controversies have generated as much attention in recent years as the fight over the scope of the self-employment tax exception for limited partners under §1402(a)(13). The Fifth Circuit’s decision in Sirius Solutions (now K. Alain) marked a notable development in August 2026, and the latest chapter arrived on September 17 with the…

