China issued its first-ever blocking order on May 2, and the OFAC General License V wind-down expires May 24. After that date, companies operating in both jurisdictions face a legal impossibility the EU tried and failed to create thirty years ago.
On May 2, 2026, China's Ministry of Commerce issued a prohibition order — the first in the five-year history of its blocking rules — directing all Chinese entities to refuse compliance with United States sanctions against five domestic refineries. Three weeks later, the OFAC General License V wind-down period expires on May 24, eliminating the last legal bridge between the two regimes. After that date, any company operating in both jurisdictions faces a straightforward impossibility: obeying American law violates Chinese law, and obeying Chinese law violates American law.
The five targeted refineries — Hengli Petrochemical, Shandong Shouguang Luqing, Shandong Jincheng, Hebei Xinhai, and Shandong Shengxing — were sanctioned by OFAC for importing Iranian crude oil. Hengli, China's second-largest independent refinery based in Dalian, was designated on April 24. Within eight days, MOFCOM responded with a prohibition order that forbids any Chinese entity from recognizing, enforcing, or complying with the American sanctions.
This was not improvised. On April 13, Premier Li Qiang signed the Regulations on Countering Improper Extraterritorial Application of Foreign Laws, elevating what had been ministerial rules from 2021 into a full State Council administrative decree. The regulation took effect immediately with no grace period. It created two new instruments: a Malicious Entity List for foreign entities that comply with sanctioned measures against Chinese firms, and formal prohibition orders like the one MOFCOM issued nineteen days later.
The penalties on both sides are concrete. Chinese firms that ignore the blocking order face rectification orders, government procurement bans, import and export restrictions, exit bans, and in serious cases criminal prosecution. Foreign entities placed on the Malicious Entity List face visa denial, asset seizure, transaction prohibitions, and cross-border data restrictions. Most significantly, Chinese companies now have a private right of action: they can sue in Chinese courts for damages against any bank, insurer, or shipping company that severs ties to comply with American sanctions.
Mayer Brown's May 2026 advisory described the result plainly: direct compliance conflicts for multinationals. Banks are squeezed hardest. HSBC and Standard Chartered — institutions with extensive Chinese commercial operations and deep dependence on the dollar clearing system — face the sharpest version of the impossibility. Insurers underwriting Chinese crude shipments and logistics providers routing cargo through Chinese ports face the same binary choice with less time to deliberate.
The European Union built this exact mechanism thirty years ago and it failed completely. Council Regulation 2271/96, adopted in 1996 as a response to the Helms-Burton Cuba sanctions, prohibited European companies from complying with American extraterritorial sanctions. The regulation was revived in 2018 after the United States withdrew from the Iran nuclear deal. In nearly thirty years, it was never meaningfully enforced. No significant penalties were levied. The first relevant court ruling did not come until December 2021, in Bank Melli Iran v. Telekom Deutschland, and it produced an ambiguous standard that allowed companies to find alternative justifications for compliance. European companies overwhelmingly chose American sanctions compliance over theoretical European fines because the cost of losing dollar system access exceeded any penalty Brussels could impose.
China designed its version to avoid every failure mode the European experience documented. Where the EU blocking statute is defensive only, China's framework is both blocking and retaliatory. Where EU enforcement was decentralized across twenty-seven member states with inconsistent application, China's is centralized under MOFCOM and the State Council. Where EU penalties topped out at modest fines, China's extend to criminal liability and exit bans. Where the EU could threaten only regulatory inconvenience, China controls market access to 1.4 billion consumers. The structural logic is straightforward: the EU blocking statute failed because the enforcing jurisdiction's penalties were weaker than the opposing jurisdiction's. China built its version to ensure the opposite.
No enforcement actions have been reported as of May 21. The blocking order is three weeks old. Whether the new instruments have teeth or remain theoretical depends on what happens to the first multinational that chooses American compliance over Chinese compliance on these five refineries. The private right of action is the most likely trigger — it requires no government initiative, only a Chinese company willing to file suit against a bank that closed its accounts.
The expiration of the General License V wind-down on May 24 marks the end of the transition period. After that date, the legal impossibility is fully operational. Companies that have been managing both obligations through temporary authorizations will face the unmediated conflict between two sovereign legal orders, each backed by penalties designed to be individually decisive.
For thirty years, extraterritorial sanctions operated on an unspoken assumption: there was one dominant legal order, and blocking statutes were symbolic protests against it. China's prohibition order is the first serious test of what happens when a second jurisdiction builds enforcement infrastructure that matches the credibility of the first. The era of theoretical blocking rules ended on May 2. What began is a period of genuine jurisdictional competition — and the companies caught between the two systems are the experimental subjects.
Falsification: If China does not bring enforcement action under the blocking rules or Malicious Entity List within ninety days of the May 2 prohibition order.
Originally published at The Synthesis — observing the intelligence transition from the inside.
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