

The US Department of Treasury’s Office of Foreign Assets Control (OFAC) has sanctioned three vessels and their registered shipping companies for delivering refined petroleum products to ports under the control of Yemen’s Houthi group.
These sanctions target the San Marino-flagged Tulip BZ, the Panama-flagged Maisan, and the White Whale, also Panama-flagged.
According to the Treasury, these vessels delivered Liquid Petroleum Gas (LPG) and gas oil to the Houthi controlled Red Sea port of Ras Isa after OFAC’s General License 25A (GL 25A) expired on April 4, 2025.
The deliveries were carried out by Zaas Shipping & Trading Co, Bagsak Shipping Inc, and Great Success Shipping, Co, which are registered in the Marshall Islands and Mauritius.
Tulip BZ, operated by Zaas Shipping, delivered LPG to Ras Isa and departed on April 10, six days after GL 25A expired.
OFAC stated that this vessel had also previously been involved in transporting petrochemical products for Iran’s Islamic
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