By ยท ยท last updated 2026-08-06

Secondary Sanctions, Explained

Secondary sanctions reach beyond US jurisdiction: foreign persons can be sanctioned for significant transactions with designated parties. What agents need to know.

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Primary sanctions prohibit US persons from transacting with designated parties. Secondary sanctions extend the reach: foreign persons can face designation for significant transactions with sanctioned parties - even with no US nexus.

The distinction

Primary: US persons, US-origin goods, USD transactions. Secondary: non-US persons who facilitate or materially support sanctioned activity - banking, trading, or clearing for designated parties.

Why it matters for agents

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An agent operating outside the US is not automatically outside OFAC's reach. A payment agent that clears or facilitates for a sanctioned party can create secondary-sanctions exposure for its operator, regardless of jurisdiction.

The posture

Screen counterparties against the SDN list and the applicable international lists; document the controls; fail closed. The embargoed-jurisdiction explainer and the sanctions lists index cover the surfaces.

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