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European Tech Sovereignty
22SEP

OFAC licence on Hengli expires 24 May

4 min read
10:47UTC

OFAC General Licence V on Hengli expires end of Sunday 24 May; from Monday, any dollar payment to China's second-largest independent refinery costs the clearing bank its US access.

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Key takeaway

Sunday 24 May is the first hard-dated OFAC-MOFCOM enforcement moment of the Iran war.

OFAC (the Office of Foreign Assets Control, the US Treasury bureau that administers sanctions) issued General Licence V on 24 April 2026 alongside the SDN designation of Hengli Petrochemical (Dalian) Refinery Co., Ltd., authorising a 30-day wind-down of US-person and US-dollar transactions with the refinery. That clock runs out at the end of Sunday 24 May. From Monday, any non-US bank that processes a single Hengli dollar payment becomes exposed to secondary sanctions and loses its US correspondent access.

Hengli is China's second-largest independent refinery and the first mainland Chinese refinery OFAC has designated; earlier rounds carefully avoided mainland targets and routed designations through Hong Kong, UAE and Marshall Islands shells . MOFCOM (China's Ministry of Commerce) closed the legal gap on 2 May with Announcement No. 21, directing Hengli and four sister refineries (Luqing, Jincheng, Xinhai, Shengxing) to disregard the US sanctions under China's 2021 Blocking Rules. MOFCOM and OFAC now collide on the same dollar wire from Monday morning.

Hengli Petroleum, the refinery's Singapore trading arm, has begun laying off staff in anticipation of the shutdown, Manifold Times reported 1. The corporate-level retreat sits oddly against Beijing's posture: Iran's appointment of a new ambassador to Beijing on 18 May was briefed as 'unprecedented' commitment to the China relationship , and MOFCOM's blocking statute is engineered for exactly this enforcement moment. Hengli Petroleum Singapore began layoffs at the trading desk on 20 May regardless.

The nearest precedent is OFAC's April 2018 designation of Rusal, Russia's largest aluminium producer. Aluminium prices spiked roughly 35 per cent in three weeks; Glencore and other counterparties unwound positions within days; the sanctions forced the removal of Oleg Deripaska's controlling stake before the wind-down expired. The transmission mechanism was dollar clearing, not trade flows, which is why the Singapore layoffs are the operational tell. General Licence V is the only Iran-touching US instrument with a working clock; every other lever, from the unfiled Murkowski AUMF to the oral Pentagon order, runs on Trump's verbal track . OFAC's wind-down clock cannot be postponed by a Truth Social post.

Deep Analysis

In plain English

When the US government punishes a foreign company for buying Iranian oil, it issues a 'designation' banning American banks from handling any money going to that company. Normally there is a 30-day grace period to wind down existing deals. That grace period for Hengli, a giant Chinese oil refinery in Dalian, runs out on Sunday 24 May. After Sunday, any bank that processes a dollar payment connected to Hengli can be cut off from the US financial system. That matters because most international payments, even between non-American companies, still travel through US-linked banks. China's government told Hengli to ignore the US order. The difficulty is that Hengli's trading office in Singapore handles international payments in a jurisdiction that cannot use China's legal shield against US enforcement.

Deep Analysis
Root Causes

OFAC's path to Hengli runs through a structural gap in the MOFCOM blocking order: Announcement No. 21 directs Chinese entities not to comply, but it cannot immunise the dollar-clearing layer. Hengli's Singapore trading arm operates in a jurisdiction that does not recognise China's blocking statute as a defence against US regulatory action.

China's de-dollarisation project remains incomplete at the clearing-bank layer. Beijing has built yuan-denominated crude pricing at the Shanghai International Energy Exchange since 2018, but 80% of global oil trade still prices and clears in dollars. Hengli's exposure exists precisely because China's oil-import infrastructure has not yet migrated to yuan settlement at the clearing-bank layer. MOFCOM's order arrived before the infrastructure it needs to function.

What could happen next?
  • Risk

    Chinese banks with US correspondent relationships face a binary after 24 May: refuse Hengli dollar settlement and breach MOFCOM's blocking order, or process it and trigger OFAC secondary sanctions. Either path creates legal exposure in at least one jurisdiction.

    Immediate · Assessed
  • Precedent

    Hengli is the first mainland Chinese refinery to face a hard OFAC deadline. If enforcement holds without a negotiated carve-out, it establishes that the secondary-sanctions mechanism can target MOFCOM-shielded entities, changing the risk calculus for all five refineries named in Announcement No. 21.

    Short term · Reported
  • Consequence

    Hengli's removal from the Iranian crude-buyer pool tightens an already-constrained sanctioned-oil market, compounding the IEA's 246-million-barrel inventory draw recorded across March and April 2026.

    Short term · Reported
  • Risk

    Beijing may escalate retaliatory trade measures against US firms in China if OFAC enforcement is seen to override MOFCOM's sovereign blocking order without diplomatic resolution.

    Medium term · Suggested
Sources:Manifold Times·Republic World / US Treasury sb0502·Republic World / US Treasury sb0502
Mentions:OFAC →MOFCOM →White House →Lisa Murkowski →Donald Trump →China →Marshall Islands →BNP Paribas →Truth Social →AUMF →Iran →Brussels →Hong Kong →Beijing →Shanghai →Carnegie Endowment for International Peace →Pentagon →US Treasury →Cuba →Russia →Hengli Petrochemical (Dalian) Refinery Co. Ltd →Hengli Petroleum Singapore →Rusal →Glencore →Oleg Deripaska →Manifold Times →Dalian →MOFCOM Announcement No. 21 →General License V →Singapore →
First Reported In

Update #104 · Three days to Hengli

Manifold Times· 21 May 2026
Read original →
Causes and effects
Caused by
MOFCOM No. 21 mirrors OFAC's blind spots
MOFCOM Announcement No. 21 blocking order created the legal collision the GL V expiry now resolves into a per-transaction enforcement moment
Occurred 2 May 2026
Read story →
This Event
OFAC licence on Hengli expires 24 May
Sunday 24 May is the first hard-dated OFAC-MOFCOM enforcement collision of the Iran war, the only Iran-relevant US instrument running on a written clock.
Led to
Hengli moves Singapore arm before GL V cliff
OFAC General Licence V expiry on 24 May (ID:3493) created the deadline that drove Hengli to restructure the Singapore arm's ownership before Sunday midnight.
Occurred 21 May 2026
Read story →
Sanctions licence dies in OFAC silence
GL V expired (ID:3493 records the expiry); the new beat is OFAC's silence on the Dalian Changxing 50%-ownership question at expiry.
Occurred 24 May 2026
Read story →
OFAC silent as sanctions licence lapses
The secondary-sanctions exposure Chinese banks face (ID:3493) is the risk context that makes Monday's OFAC silence consequential for dollar-clearing decisions.
Occurred 25 May 2026
Read story →
China halts big-four loans to refiners
OFAC's GL V expiry and secondary-sanctions exposure for Chinese banks (ID:3493) is the context that makes the NFRA lending halt a parallel Chinese regulatory response.
Occurred 25 May 2026
Read story →
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