The US Treasury Department’s Office of Foreign Assets Control designated Russia’s VTB Bank on 14 September 2026, accusing one of Russia’s largest financial institutions of building the plumbing to move billions of dollars in frozen Iranian assets. It is the third time Washington has sanctioned VTB, after earlier designations in February 2022 and January 2025 targeted its role in Russia’s financial sector; this latest action instead uses an authority aimed specifically at Iran.
Correspondent accounts and a rial-rouble settlement system
According to Treasury, VTB established correspondent banking relationships with sanctioned Iranian financial institutions, opened bank offices inside Iran, and helped build settlement systems using Iranian rials and Russian roubles to expand trade between the two sanctioned economies. The designation was made under Executive Order 13902, which targets Iran’s financial sector, as part of a wider campaign called Operation Economic Outcast that Treasury launched on 24 August 2026 to choke off smuggling networks, procurement channels and revenue sources sustaining the Iranian government.
A warning to other banks
Treasury Secretary Scott Bessent said “Treasury will not tolerate any support to the regime and will continue to identify, expose, and isolate Iran’s enablers.” The department said foreign financial institutions that continue dealing with VTB now face heightened exposure to US secondary sanctions, and Treasury said it had coordinated the broader Iran pressure campaign with the European Union, the United Kingdom and Gulf partners.
Why it matters
The repeat targeting of VTB shows how sanctions on Russia and Iran have become intertwined, with Washington treating financial links between the two governments as a single enforcement problem. For banks and trading firms operating in both jurisdictions, the designation adds pressure to sever remaining ties or risk being cut off from the US financial system themselves.
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