OFAC says that “in certain sanctions programs, foreign entities owned or controlled by U.S. persons also must comply with applicable restrictions.” The 2024 Tri-Seal Compliance Note cites three examples: 31 CFR 560.215, which bars foreign persons owned or controlled by a US person from transactions with the Government of Iran or anyone subject to Iranian jurisdiction; 31 CFR 515.329, which extends the Cuba prohibitions to any organisation owned or controlled by US persons wherever organised; and 31 CFR 510.214 for certain North Korea measures.
This is why a Colombian freight forwarder bought by a Delaware company became bound by the Cuba rules the day it was bought (Key Holding), and why Unicat’s use of its Dutch affiliate to fill Iran orders was itself charged as facilitation (Unicat). See how US sanctions reach companies outside the United States.