On September 29, 2025, after some months of speculation, the US Department of Commerce’s Bureau of Industry and Security (“BIS”) issued an interim final rule “Expansion of End-User Controls to Cover Affiliates of Certain Listed Entities” (the “IFR”). The IFR immediately introduces a new “Affiliates Rule,” essentially a “50% ownership flow-down rule,” into the Export Administration Regulations (“EAR”). This marks a major shift in US export control policy by automatically extending certain EAR end user…