US Issues 30-Day Waiver on Sanctions for Iranian Oil at Sea Until April 19

The United States has temporarily paused sanctions on Iranian oil currently stranded on tankers at sea, issuing a 30-day waiver to allow the sale and delivery of such crude and petroleum products. Announced by the Trump administration and effective from March 20, 2026, the authorization applies to Iranian-origin oil loaded onto vessels as of that date and remains in place until April 19, 2026. This move, confirmed through a general license from the U.S. Treasury's Office of Foreign Assets Control (OFAC), aims to inject additional supply into global markets amid sharply rising energy prices triggered by the ongoing U.S.-Israel conflict with Iran.

The decision follows statements from Treasury Secretary Scott Bessent, who indicated earlier in the week that the U.S. was considering unsanctioning approximately 140 million barrels of Iranian oil "on the water" to help curb price surges. Bessent described the action as a short-term measure that would effectively divert what would have been Iranian exports—primarily to China—into broader global supplies, providing relief equivalent to 10 to 14 days of demand. The waiver is narrowly tailored, focusing solely on already-loaded cargoes to avoid benefiting Iran's economy long-term while addressing immediate market pressures.

This development occurs against the backdrop of Iran's closure of the Strait of Hormuz, a critical chokepoint through which about one-fifth of the world's oil and liquefied natural gas typically flows. The disruption has driven Brent crude prices significantly higher, with reports of levels exceeding $100 per barrel in recent weeks, exacerbating concerns over inflation and consumer fuel costs in the U.S. and globally. The administration has pursued similar temporary relief measures recently, including waivers for stranded Russian oil, Jones Act exemptions for domestic shipping, and promises of naval escorts for tankers to reopen routes.

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Critics have noted the irony of easing pressure on Iranian oil shipments while the U.S. is engaged in military operations against Tehran, arguing it could indirectly aid Iran's finances despite the intent to use the barrels "against" them by flooding the market. However, officials emphasize the limited scope and duration of the waiver, framing it as part of a broader strategy to stabilize energy markets without undermining core sanctions regimes. Experts suggest the release may offer only brief respite, with longer-term price moderation depending on military progress to secure the Strait of Hormuz and other supply restoration efforts.

The policy reflects the administration's multifaceted response to energy volatility, including potential releases from the Strategic Petroleum Reserve and diplomatic engagements with allies. As the waiver takes effect, market observers are monitoring its impact on tanker movements, buyer interest—particularly from Asia—and overall crude pricing trends. Further announcements on extensions or additional measures could follow as the conflict evolves and global demand dynamics shift.

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