<h3>Overview</h3>
<p>The <span class="key-term" data-definition="U.S. Government — The federal authority of the United States, responsible for foreign policy and economic measures; relevant to GS2: Polity and GS3: Economy">U.S. Government</span> on <strong>April 28, 2026</strong> announced a new round of sanctions targeting <strong>35 entities and individuals</strong> linked to Iran’s illicit financial networks. The move aims to curb the flow of tens of billions of dollars that finance sanctions evasion and what Washington describes as Iran’s <span class="key-term" data-definition="terrorism sponsorship — Support, financing or logistical assistance to terrorist groups; a concern for GS2: Polity and GS3: Economy">sponsorship of terrorism</span>.</p>
<h3>Key Developments</h3>
<ul>
<li>Sanctions imposed on <strong>35 entities and individuals</strong> involved in Iran’s <span class="key-term" data-definition="shadow banking sector — Financial activities that operate outside conventional banking regulation, often used to evade sanctions; important for GS3: Economy">shadow banking sector</span>.</li>
<li>The Treasury’s <span class="key-term" data-definition="Office of Foreign Assets Control (OFAC) — The U.S. Treasury agency that administers and enforces economic and trade sanctions; GS3: Economy">Office of Foreign Assets Control (OFAC)</span> warned banks that transact with Chinese “teapot” refineries could face secondary sanctions.</li>
<li>Chinese refineries, dubbed “teapot” refineries, are alleged to pay tolls for oil shipments that transit the <span class="key-term" data-definition="Strait of Hormuz — A narrow waterway between Iran and Oman through which a significant portion of global oil passes; strategic chokepoint in GS3: Economy and GS2: Polity">Strait of Hormuz</span>.</li>
<li>OFAC estimates the sanctioned activities involve the equivalent of <strong>tens of billions of dollars</strong> in illicit financial flows.</li>
</ul>
<h3>Important Facts</h3>
<p>The designated parties are accused of facilitating money‑laundering, front‑company operations, and procurement of dual‑use technology for Iran’s nuclear and missile programmes. The “teapot” refineries are small‑scale Chinese oil‑processing units that lack full licensing, making them attractive for covert oil purchases. By threatening secondary sanctions, the U.S. seeks to deter international banks from providing the financial infrastructure needed for these transactions.</p>
<h3>UPSC Relevance</h3>
<p>For aspirants, this development illustrates the interplay of <span class="key-term" data-definition="sanctions — Coercive economic measures imposed by one country or group to influence another's behaviour; a tool of foreign policy studied in GS2: Polity and GS3: Economy">sanctions</span> with global energy security, highlighting the strategic importance of the <span class="key-term" data-definition="Strait of Hormuz — A vital maritime corridor for oil trade, whose blockage could disrupt world oil
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