US Revokes Iran Oil Sales Authorization After Tanker Attacks

The US has revoked authorization for Iranian oil sales following Iranian attacks on tankers in the Strait of Hormuz, escalating the conflict after the interim peace deal. This marks a reversal of the Treasury's prior authorization of Iranian oil sales and reinstates full oil sanctions.

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The revocation of Iranian oil sales authorization structurally tightens global oil supply by removing Iranian barrels from legal trade, directly benefiting non-Iranian oil producers and tanker operators on safer routes. Refiners dependent on discounted Iranian crude, particularly in Asia, face a sudden supply disruption and cost increase. The move also escalates sanctions enforcement infrastructure, benefiting compliance and sanctions-screening technology providers. Energy traders and shipping insurers will reprice risk for the Persian Gulf corridor. The combination of this revocation with resumed US strikes signals a durable regime shift in Iranian oil market access, not a temporary disruption.