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Treasury rolls out sweeping sanctions to cut off Iran's trade partners

Treasury Secretary Scott Bessent announced a broad sanctions plan targeting firms that continue trading with Iran, aiming to pressure Tehran through its partners.

Treasury Secretary Scott Bessent unveiled “Operation Economic Outcast,” a sweeping sanctions initiative that targets not the Iranian regime itself but the foreign firms and financial institutions that keep its trade flowing. The plan zeroes in on China’s oil purchases, Turkey’s natural-gas imports, and other partners such as the United Arab Emirates, Iraq and the European Union, demanding they cease transactions or risk U.S. secondary sanctions.

Allies including the United Kingdom, Japan and Bahrain have already expressed backing, whereas the Chinese Communist Party has dismissed the move as illegitimate. The Treasury will begin enforcement this month, with the G20 summit in Miami serving as a diplomatic focal point. Critics note that the success of the strategy hinges on whether major economies, especially China, will comply, while the Treasury hopes the pressure will further weaken Iran’s oil revenues, which have fallen dramatically since the conflict began.

Why it matters

It could cripple Iran's economy by cutting off its remaining export markets.

How this story developed

  1. Jul 20 U.S. and Iran intensify air strikes over Strait of Hormuz, diplomacy stalls
  2. Aug 25 Oman’s foreign ministry said its senior diplomat met Iran’s foreign minister to discuss a temporary navigation corridor and joint mine‑clearance.
  3. Aug 26 Iran reiterated that the Strait of Hormuz will remain closed despite ongoing negotiations with Oman.
  4. Aug 27 Iran and Oman concluded preliminary negotiations on a revenue‑sharing framework for Strait of Hormuz traffic.
  5. Aug 27 Treasury Secretary Scott Bessent announced a new round of sanctions targeting Iran, intensifying pressure that President Donald Trump says will force Tehran to accept his nuclear deal proposal.
  6. Aug 27 President Trump spent a White House press briefing largely describing construction projects and avoided mentioning the Iran war.
  7. Aug 27 China issued a warning that it will retaliate if any Chinese entity is hit by the new sanctions.
  8. Aug 28 Munir’s scheduled Tehran visit was announced alongside the summit meeting with the U.S. vice president and Pakistan’s request for a large stabilization fund.
  9. Aug 28 Qatar’s prime minister traveled to Tehran for high‑level talks on a Hormuz shipping corridor.
  10. Aug 28 Iran announced it will set conditions that must be met before the Strait of Hormuz can resume normal shipping.
  11. Aug 28 Iran condemned the latest US sanctions as illegal while mediators intensified efforts to reopen the Strait of Hormuz for oil shipments.
  12. Aug 28 President Trump announced a shift to sustained economic pressure, branding the effort “Operation Economic Outcast” and urging China to enforce sanctions.
  13. Aug 28 Treasury Secretary Scott Bessent unveiled the new sanctions package.
  14. Aug 29 The Treasury issued a draft rule to cut off UAE branches of Banque Misr from the U.S. financial system.

In this story

sanctions regimeIran trade partnersOperation Economic OutcastChinese oil importsBank Saderatsecondary sanctionsUS dollar leverageGulf alliesoil export decline
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