
Control Without Ownership: OFAC, Sanctions, and the 50 Percent Rule
Until recently, the U.S. Department of the Treasury’s Office of Foreign Assets Control (“OFAC”) and industry practice were generally aligned on the agency’s well‑known 50 Percent Rule: entities with less than 50 percent aggregate ownership by blocked persons were not automatically blocked, and control alone by any blocked persons—while a theoretical concern—rarely dictated the sanctions compliance analysis. However, since June 2025, OFAC has increasingly signaled that control by blocked persons over an entity can itself create enforcement exposure for parties dealing with that entity and its assets. Taken together, recent guidance and enforcement actions suggest that OFAC is developing a de facto “control” rule that operates
































