On June 23, 2026, the Federal Acquisition Regulatory Council (“FAR Council”) issued proposed rules covering several parts of the Federal Acquisition Regulation (“FAR”).  The proposed rules mark the beginning of the long-awaited notice-and-comment phase of the Revolutionary FAR Overhaul (“RFO”).  This blog post, focusing on FAR Part 40, provides an overview of the proposed changes to the regulations and the associated contract clauses in FAR Part 52, including the inclusion of requirements around the handling of Controlled Unclassified Information (“CUI”).