The 0.1 Percent Rule
On October 9, 2025, MOFCOM made every magnet, semiconductor, EV, and aerospace component manufactured anywhere in the world a candidate for Chinese export-license review. The substance of the rule is less interesting than the compliance machine it forced everyone else to build.
Six Proclamations on a Single Day
On October 9, 2025, China's Ministry of Commerce — known by its English-language acronym MOFCOM — issued six proclamations simultaneously. Each one targeted a different chokepoint in the global supply chain for industries the People's Republic considers strategically sensitive: rare earth materials, the equipment used to refine them, the technology used to design that equipment, lithium battery cells and precursors, the production technology behind those cells, and a class of "superhard materials" that includes synthetic diamond and cubic boron nitride.
The headline measure — the one that broke into international newspapers — was the addition of seven medium and heavy rare-earth elements and a set of permanent magnet materials to the case-by-case export licensing regime. That headline rule was new and significant. It was also, in retrospect, the cover for the more consequential measure buried in the procedural language.
The Actual Rule
MOFCOM asserted jurisdiction over foreign-produced items — products manufactured anywhere in the world, by any entity, in any country — when those items contain, incorporate, or are commingled with PRC-origin rare-earth content representing at least 0.1 percent of the item's total value. A finished good produced in Düsseldorf and shipped to São Paulo is now subject to Chinese export-license review if 0.1 percent or more of its valuation derives from rare-earth content that originated in China.
This is the 0.1 Percent Rule. It came into effect for direct exports immediately on October 9, 2025, and for the de minimis and foreign-direct-product mechanisms — the rules governing offshore goods — on December 1, 2025. At the U.S.–China summit in Busan in late October 2025, Beijing agreed to "suspend implementation" of the broadest measures for twelve months, pushing enforcement of the strictest provisions out to November 10, 2026. The rule itself was not retracted, and the underlying April 4, 2025 case-by-case licensing system for the same seven rare earths remained in force throughout the pause.
Why the Threshold Is Almost Impossibly Low
The United States operates two analogous extraterritorial export-control regimes, the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Both contain "de minimis" thresholds — content levels below which a foreign-made item escapes U.S. jurisdiction. For most EAR-controlled content, the de minimis threshold is 25 percent of the item's value. For ITAR-controlled defense content, the threshold is generally zero, but the universe of items covered is narrow.
The 0.1 Percent Rule is essentially the ITAR posture — zero de minimis tolerance — applied to a vastly broader class of materials. Rare earths are not bombs. They are the magnet inside an electric vehicle traction motor, the abrasive in a wafer-polishing slurry, the contrast agent in an MRI scan, the phosphor in an OLED display, the catalyst in a refinery fluid-catalytic-cracking unit. They are everywhere, and they account for less than a fraction of a percent of the finished value of almost every product they appear in.
The difference between 25 percent and 0.1 percent isn't an arithmetic gap. It's a conceptual one. The 25 percent rule says: "If a substantial portion of a foreign product's value originates here, our rules follow it." The 0.1 percent rule says: "If the smallest functional input touches our supply chain, our rules follow it." The first is exception-handling. The second is universal coverage masquerading as a threshold.
The List Is Where the Action Is
The 0.1 percent threshold doesn't apply to all foreign-produced items containing rare earths. It applies to items on a specific list — Annex Section II of the MOFCOM proclamations. The list is short, deliberate, and economically devastating to the industries it touches.
Foreign-Made Items Subject to the 0.1 Percent Rule
A permanent magnet weighing 12 grams inside a 1.8-ton electric vehicle — perhaps $4 of magnet in a $40,000 vehicle, or roughly 0.01 percent of vehicle value — does not trigger the rule because the vehicle is not on the list. But the magnet itself, sold as a component to a Mexican motor manufacturer who assembles motors for shipment to the United States, does trigger the rule. The motor manufacturer needs a Chinese export license. So does the U.S. distributor receiving the motor. So does the EV assembler who installs the motor in the chassis if the motor is shipped onward as a part, rather than installed in a fully finished vehicle. Every transfer that occurs while the magnet remains identifiable as a distinct article is a regulated transfer.
The Real Policy Is the Paperwork
Most manufacturers outside China do not have the systems to determine whether a finished item is or is not subject to the 0.1 Percent Rule. The relevant questions a Tier 1 automotive supplier must answer for a single permanent-magnet motor include:
- Origin attribution. What is the country of origin for the rare-earth element content in the magnet? Not the country where the magnet was pressed — the country where the rare-earth oxide was refined into metal. The two are often different.
- Value allocation. What dollar value of the finished motor derives from the rare-earth content versus the iron-boron matrix, the housing, the bearings, the windings, the labor? At what transfer-pricing basis is the rare-earth content valued — the spot market on the day of pressing, the long-term contract price, or the audited cost?
- Item-level tracking. Is each motor individually identifiable as containing PRC-origin rare-earth content, or are motors commingled across batches such that any given unit might or might not be in scope?
- Technology lineage. Was any patented or licensed Chinese-origin manufacturing process used to make this magnet? The rule applies separately to items made with PRC-origin technology.
No major Western automotive, aerospace, or semiconductor manufacturer currently has the bill-of-materials infrastructure to answer those four questions for every product on every shipment. Building that infrastructure — at scale, across thousands of suppliers, with audit-grade documentation — is the actual compliance burden. By rough industry estimates that have been circulating in trade-policy briefings in the months since the announcement, the cost of building it runs into the high single-digit billions of dollars annually across the affected industries, before any enforcement actions.
The Policy IS the Compliance Machine
The 0.1 Percent Rule is not primarily about denying Western manufacturers access to rare earths. It is about forcing Western manufacturers to construct, at their own expense, a bill-of-materials traceability system that catalogs every rare-earth atom flowing through global supply chains by Chinese-origin classification. The rule's success is independent of whether Beijing ever denies a license. The catalog gets built either way. The administrative leverage that catalog represents — once constructed — is enormous, and it accrues entirely to the regulating jurisdiction.
The GDPR Analogy
The structural template here is not the U.S. EAR. It is the European Union's General Data Protection Regulation. GDPR did not need to fine many companies to change global corporate behavior. The threat of fines, combined with the broad jurisdictional reach, forced every multinational to build the data-handling infrastructure GDPR specifies. The compliance machine is the policy. Once built, it serves whatever future enforcement priorities the regulator wants to impose. The marginal cost of adding new requirements drops to near zero once the catalog exists. The marginal cost of refusing to comply, once the catalog is built and competitors have it, is exit from the market.
China appears to have studied this template carefully.
What Wasn't Suspended
In the Busan trade-talks coverage and in the subsequent commentary, a great deal was made of Beijing's agreement to "suspend implementation" of the rare-earth controls for one year. The pause covers the broadest extraterritorial reach of the October 9 proclamations — the de minimis machinery, the foreign-direct-product mechanism, and certain license requirements for offshore items. It does not cover the underlying licensing regime that has been in place since April 4, 2025.
The April 4 system requires exporters to obtain case-by-case Chinese permission to ship seven rare-earth elements — samarium, gadolinium, terbium, dysprosium, lutetium, scandium, yttrium — and permanent magnet materials containing them, to foreign destinations. That regime was Beijing's response to the Trump administration's "Liberation Day" tariffs of April 2025. It remained in full effect throughout the Busan talks, was not part of the suspension, and continues today.
The Foundation for Defense of Democracies, in a November 12, 2025 analysis, characterized the pause as "tactical." Beijing suspended the most administratively burdensome and politically inflammatory provisions while retaining the actual lever — case-by-case licensing on the seven elements that matter most to Western defense manufacturers. The April 4 system has already effectively cut off the flow of these materials to several Western military programs. The suspension changes the headline. It does not change the supply situation for an F-35 wing-control surface or a Tomahawk missile guidance fin.
What Hits Whom, and How Hard
An Electric Vehicle Motor
A high-performance EV traction motor uses roughly 1 to 2 kilograms of neodymium-iron-boron permanent magnet, doped with dysprosium and terbium for high-temperature performance. At magnet prices of $50 to $100 per kilogram, the magnet content is $50 to $200 per motor. In a finished vehicle, that's well under the 0.1 percent value threshold. In the magnet itself, the rare-earth content is well above 0.1 percent — the magnet is more than 30 percent rare earths by mass and a substantially higher fraction by value. The vehicle escapes the rule. The component shipment — magnet, motor, or motor sub-assembly — does not.
An F-35 Component
The F-35 program reportedly contains approximately 920 pounds of rare-earth content across magnets, alloys, and specialty coatings. The component-level concentrations are high. Lockheed Martin's prime-contractor obligations under ITAR are familiar. Adding a Chinese export-license check to the same supply chain creates a regulatory crossfire: U.S. defense contractors are required by ITAR to verify their supply chain has no unauthorized foreign content, while now needing to verify the same supply chain's Chinese content for license purposes if any sub-component ships internationally during manufacturing.
A Semiconductor Fab
Sputtering targets doped with rare-earth elements are consumables in physical vapor deposition steps for thin-film deposition. They are explicitly named in Annex Section II. Every leading-edge fab — TSMC, Samsung, Intel, Micron — sources sputtering targets globally. A target shipped from a Japanese supplier to a Taiwanese fab is the kind of transaction the 0.1 Percent Rule's foreign-direct-product mechanism is designed to capture, if the target's underlying rare-earth content originated in China or was processed using Chinese-licensed technology.
A Medical MRI Machine
Modern MRI systems use samarium-cobalt or neodymium-iron-boron magnets in their gradient coils and main field assemblies. Gadolinium-based contrast agents — required for many imaging protocols — are in scope. A Siemens MRI manufactured in Erlangen and shipped to a hospital in Brazil has a non-trivial probability of triggering the rule. The medical-device industry has, to date, paid almost no attention to this.
What to Watch Through November 2026
The Catalog Is the Policy
The 0.1 Percent Rule has the formal structure of an export control. Functionally, it is a regulatory imposition that conscripts every major Western manufacturer into building a Chinese-origin-content registry — at the manufacturer's expense, on the manufacturer's timeline, audited to the regulator's standards. The rule is suspended, but the registry-building obligation isn't going away. Companies are building it now because they know the suspension is twelve months long and the underlying licensing regime never paused.
When the registry is built, it serves whatever future enforcement priorities Beijing wishes to apply. The marginal cost of selective denial becomes zero. The marginal cost of expanding the regulated-item list becomes near-zero. The administrative leverage compounds the way the magnet manufacturing know-how China spent thirty years accumulating did — quietly, expensively, and once built, irreplaceable.
The headline was the seven elements. The headline after that was the pause. The actual story is the catalog. The catalog is being built right now, on every Western manufacturer's ERP system, at every Tier 1 supplier's compliance office, in the offices of every customs broker and trade-policy advisor whose phone has not stopped ringing since October 10, 2025.
The substance of the rule was always less important than the compliance machine it forced everyone else to build. The compliance machine is the policy.
- PRC Announces New Export Controls on Rare Earth and Battery Materials and Technology — Mayer Brown, October 2025. Detailed legal breakdown of the six October 9 proclamations.
- Ministry of Commerce Notice 2025 No. 61: Decision to Implement Controls on Exports of Rare Earth-Related Items — Center for Security and Emerging Technology, Georgetown. English translation of the source document.
- China Imposes Extraterritorial Jurisdiction and a 50% Rule for Export Controls on Rare Earth Elements — White & Case. Technical treatment of jurisdictional scope and the parallel 50% rule for other Chinese-origin content.
- China Intensifies Export Controls over Rare Earths and Related Technologies — Freshfields. Compliance-program implications.
- China Tightens Export Controls on Rare Earths: Takeaways for Global Businesses — CMS LawNow, October 2025.
- China Pauses Some Rare Earth Export Curbs While Retaining Levers of Control — Foundation for Defense of Democracies, November 12, 2025. Source of the "tactical pause" framing and the April 4 system context.
- China's New Rare Earth and Magnet Restrictions Threaten U.S. Defense Supply Chains — Center for Strategic and International Studies. F-35 and defense supply-chain exposure context.
- With New Export Controls on Critical Minerals, Supply Concentration Risks Become Reality — International Energy Agency.
- The Burn and the Choke: Why Semiconductor Controls Will Outlast China's Rare Earth Weapon — War on the Rocks. Comparative analysis of US semiconductor controls vs Chinese rare-earth controls as instruments.
- China Expands Export Controls: A Briefing for European Companies on the October 2025 Measures — Graf von Westphalen.
About Jadist
Jadist is Equicurious's industrial-policy desk. We cover the chokepoints — single companies, single materials, single processes — through which the modern industrial economy actually flows. Our standing assumption is that the most important industrial-policy decisions are made by ministries you have never heard of, in countries you do not work in, against compliance burdens nobody told the affected industries were coming.
Equicurious provides educational content only, not investment advice. The legal analysis above synthesizes publicly available regulatory texts and commentary from law-firm advisories; specific compliance obligations for any business should be determined by qualified export-controls counsel familiar with the firm's bill-of-materials structure. Past performance does not guarantee future results.