OFAC sanctioned five Iranian sectors — and added no names to the list you screen

Treasury Secretary Scott Bessent called it an "economic D-Day". The number everybody reported was nearly 60. The numbers that matter are five — and 8 September.

Note what is missing: a sector wind-down. In January 2020 the first E.O. 13902 determinations came with 90 days. This time, none. And asked whether Chinese banks could be next, the Treasury Secretary left no room for interpretation:

“

Nobody is beyond the reach of American sanctions.

— Scott Bessent, US Treasury Secretary, 24 August 2026

A designation is an identifier: a name, an IMO number, a wallet. Your screening tool absorbs it and you never think about it again.

A determination adds no names to any list. It makes an activity sanctionable: operating in one of the named sectors, or knowingly providing significant support to it, can now support a designation or secondary sanctions against a non-US company.

Your counterparty is not on a list. Your counterparty is now in a category.

A designation gives you a name to screen. A determination gives you a population to investigate. Every screening tool can do the first. None — ours included — can do the second from a name alone.

And the category is bigger than the headlines say. E.O. 13902 now reaches twelve sectors, not five:

Who should worry

Secondary sanctions reach any company that depends on the dollar — settling, insuring or clearing through it — with no US office required. BNP Paribas paid USD 8.9 billion in 2014 without being a US company. Pull these files first:

• Shipping, freight and logistics — owners, charterers, agents, insurers
• Payments, PSPs and digital-asset businesses
• Gold, commodities and their trade-finance lines
• Technology exporters and their distributor layer
• Anyone with counterparties in the UAE, China, Singapore or Switzerland — where the designated networks operated

The designated names themselves prove the point: six vessels, a Swiss trading house with sisters in Dubai and Singapore (the WELLBRED network), a Shenzhen logistics cluster, Turkish packaging firms, Indian traders, a French refiner. None of them look like what a European compliance team expects "Iran sanctions" to look like. And under the 50 Percent Rule, their majority-owned subsidiaries are blocked too — without ever appearing on a list.

Treasury published on a Monday, Washington time. Before that day ended in Washington, the new records were live in our production data — the counter at the top of this page is the ingest log, not an illustration. From that moment, every screening ran against them.

That matters because the gap that hurts compliance teams is rarely the list — it is the distance between a designation being published and your data reflecting it. Screen against a static or manually imported database and that distance is measured in days: days in which a counterparty passes a check it should have failed. A designation your data does not carry is, operationally, a designation that does not exist.

Continuous monitoring closes the loop: your counterparties are rechecked automatically against whatever entered the data since the last run, and change reaches you as an alert — not as a headline someone happens to read. You do not follow the list. The list follows you.

1. Rescreen the whole book. Every result dated before 24 August is stale — rescreen the portfolio in one run, and let alias matching catch the transliterated spelling your contract uses.
2. Tag your sector exposure. Which counterparties operate in the twelve sectors? That register — not the SDN match report — is your real exposure.
3. Check ownership. The 50 Percent Rule blocks subsidiaries no list will ever show — verify beneficial owners, not contract names.
4. Investigate the top of the register. For a counterparty inside a determined sector, the question is what it does, not what it is called — a citation-backed investigation is the document you hand to counsel.
5. Wind down anything on a suspended authorisation. GL BB expires 8 September; payments owed to blocked persons go into blocked US accounts, not to the counterparty.
6. Turn on monitoring. Treasury has announced the next tranche — banks. Let it arrive as an alert.
7. Date-stamp everything. If a counterparty is designated later, the defensible artefact is a dated, exportable record produced at the time. Ambiguous calls go to counsel; the full source register behind every check is public on the coverage page.

• Financial institutions — a further tranche within a week, per Treasury. That one moves the exposure from your trade book to your treasurer's desk.
• OFAC FAQs and licences — the operational meaning of "significant transaction" per sector arrives through guidance, not press releases. Watch the OFAC Iran programme page.
• Country wind-down deadlines — given privately, not yet published. As they surface, they set the calendar for supply chains through the named markets.

The through-line outlasts this action: when regulators move from designating parties to designating sectors, screening has to move from matching names to understanding businesses.