On 24 Aug, the US Treasury announced "Operation Economic Outcast", a secondary-sanctions plan targeting third-country persons, companies and banks that help Iran. It is not yet in force; countries will first receive deadlines to end listed activity. Targets span digital assets, technology, gold, aviation and shipping, and more than 60 entities are named. For Thai SMEs, the practical risk is indirect: avoid payments, shipping, or trade routes linked to Iranian oil or Iranian-linked financial channels, and check counterparties before dealing with them. No direct Thai rule changes are reported in the article.