US Treasury Secretary Scott Bessent announced on Friday that the European Union has officially joined the US-led operation to economically isolate Iran. ^[1] The Servicio de Administración Tributaria (SAT) reported that between September 1, 2025, and June 5, 2026, it filed 173 money laundering denuncias with the Fiscalía General de la República (FGR). ^[2] Scott Bessent said the US stands firmly with allies to ensure the Iranian regime cannot use the global financial system to fund its nuclear ambitions, weapons programs, and terrorist proxies. ^[3] Scott Bessent stated on the Department of the Treasury's X account that the US and its allies are seeking to deny Tehran access to the global financial system. ^[4] As a consequence of the denuncias, financial institutions froze 15,968 accounts holding an estimated 4,952 million pesos. ^[5] The SAT detailed that 147 administrative agreements were signed, resulting in the inclusion of 1,508 subjects on the list of blocked persons (LPB). ^[6] The announcement by Scott Bessent comes within the context of escalating US economic and financial pressure on Iran to deepen Tehran's isolation from the global financial and economic systems. ^[7] The SAT collaborated with the US Department of the Treasury, contributing to the fulfillment of 12 lines of action in January 2026. ^[8]