Archive

four-leg architecturePosts by

China’s May 2 Blocking Rules Order: The Buyer Leg Hardens

On 2 May 2026, China’s Ministry of Commerce issued the first formal prohibition order under the 2021 Blocking Rules, barring compliance inside China with US sanctions on five Chinese refineries buying Iranian crude. The order hardens the buyer leg of the four-leg toll architecture against further OFAC erosion. This post reads what changes, what doesn’t, and why a treaty-backed transit authority can coexist with the bifurcated buyer-side legal environment by design.

Read more →