What Are Catch-All Controls? A Plain Guide to Japan's Supplementary Export Controls for Beginners

Hello, this is Ryuta Hamamoto from TIMEWELL.

There is one question I hear more than any other from people who have just started studying export control. It goes: "So once I check the list and my product is not on it, I can export freely, right?"

I understand the feeling completely. There is a list of controlled items, and if your product is not on it, you are safe. That is a natural way to think. In practice, though, even an ordinary product that appears nowhere on the list can still require a licence to export. The basis for that is the subject of this article: catch-all controls, formally known in Japan as supplementary export controls.

The word catch-all means, literally, something that scoops everything up. As the name suggests, the mechanism is designed as a net that covers what list controls cannot. This piece explains what catch-all controls are, how they differ from list controls, when a licence becomes necessary, and what the major reform that took effect on 9 October 2025 actually changed, written so that someone meeting the subject for the first time can read it end to end. I unpack the jargon as it appears.

Catch-all controls turn on end-use and end-user

Catch-all controls (supplementary export controls) require a licence to export even a general-purpose product that matches no listed item, where that product may be used in the development of weapons of mass destruction or conventional weapons¹. A general-purpose product here means the ordinary goods in everyday circulation: precision machinery, electronic components, materials, software and the like.

The defining feature of this regime is that the axis of the decision is not the performance of the object. Where list controls look at specifications, along the lines of "what is this product's machining accuracy in micrometres" or "what is this material's heat resistance in degrees", catch-all controls look at "what will it be used for" and "who will use it". The same product can produce a different conclusion once the destination or the intended use changes. That is exactly why checking against the list does not finish the job.

To put it in more familiar terms, if list controls are a baggage check, catch-all controls are closer to confirming where you are going and who you are travelling with. Your belongings may be perfectly fine, yet the destination or the company you keep may be reason enough to stop and verify. Export control is built so that only when you combine both of these perspectives can you judge whether a transaction is safe.

The legal foundation of this regime sits in the Foreign Exchange and Foreign Trade Act (FEFTA). For the export of goods, Article 48(1) is the basis; for service transactions such as the provision of technology through people, Article 25(1) applies, and the specific scope is set out in the appended tables of the Export Trade Control Order and the Foreign Exchange Order². Note that the regime covers not only goods but also the provision of technology such as drawings and know-how, a point worth holding on to.

If you want a first feel for whether your own products or transactions might touch this regime, try our free export control self-check. Within a few minutes it gives you a sense of which questions matter.

The difference from list controls, and the two-tier complementary structure

You cannot understand catch-all controls without understanding how they relate to list controls. The two are not opposed; they divide the work and complete each other. It helps to think of Japan's export control as a two-storey structure built from these two mechanisms.

The ground floor is list controls. Appended Table 1 of the Export Trade Control Order and the appended table of the Foreign Exchange Order enumerate items alongside thresholds for performance and specifications, and anything that matches those thresholds is covered. Broadly speaking, item 1 of Appended Table 1 covers weapons themselves, and the item numbers running roughly through item 15 cover dual-use items, meaning general-purpose goods usable for both civilian and military ends². If a product matches the threshold, a licence from the Minister of Economy, Trade and Industry is required in principle regardless of destination, even where the counterparty is a friendly country. For a fuller reading of list controls, I have set them out in a plain guide to what list controls are.

The upper floor is catch-all controls, which under Appended Table 1 of the Export Trade Control Order correspond to item 16¹. Here lies the decisive difference from the ground floor: item 16 does not narrow items down by specific specifications. Instead it takes in the broad range of goods that did not match the list, and then decides whether a licence is needed based on whether there is concern about the end-use and the end-user. In other words, the ground floor narrows by the object, while the upper floor narrows by the intended use and the counterparty.

If you miss this two-tier structure, you make the classic mistake I described at the outset. The conclusion "not listed" only clears the ground floor; the catch-all on the upper floor still remains. The counterparty's background is unclear, the explanation of the intended use is vague, there are signs the goods will be re-exported through a third country. Where those signals are present and you wave the shipment through because it is not listed, you have walked straight past the upper floor. Most of the incidents I have seen on the ground come not from ingenious smuggling but from the plain oversight of stamping the approval box without looking closely at that upper floor. If you want to know the relationship between list controls and catch-all controls more systematically, see also the article covering the whole picture of list controls and catch-all controls.

Two categories: weapons of mass destruction and conventional weapons

Catch-all controls sound like a single thing, but their content splits into two categories. Knowing this distinction makes the requirements and the 2025 reform that follow much easier to understand.

The first is the weapons-of-mass-destruction catch-all. It covers cases where a product may be used in the development, manufacture, use or storage of weapons of mass destruction such as nuclear, biological or chemical weapons, or of the missiles and unmanned aircraft that deliver them. This category took effect in April 2002³. Because the harm from weapons of mass destruction reaches across a wide area once they are used, this is a field where international controls were put in place early.

The second is the conventional-weapons catch-all. This covers cases where a product may be used in the development, manufacture or use of conventional weapons, meaning ordinary arms other than weapons of mass destruction. This category was introduced in November 2008, added later than the weapons-of-mass-destruction catch-all³. The term conventional weapons is a little abstract, but you will not go far wrong by thinking of tanks, artillery, ammunition other than missiles and a wide range of other arms.

The two categories exist separately because the nature of the concern differs in each. The weapons-of-mass-destruction side is designed to cast a broad, stricter net over destinations and end-users, while the conventional-weapons side had, as I discuss below, a long-limited mechanism. That asymmetry is what the 2025 reform set out to review. For now, hold on to the sequence: there are two catch-alls, one for weapons of mass destruction and one for conventional weapons, and the latter is younger, its mechanism built up over time. If the term dual-use item is itself unfamiliar, reading the article explaining what dual-use items are first will make this section considerably easier.

Two entrances to a licence: the objective requirement and the inform requirement

So when does a licence actually become necessary under catch-all controls? There are two entrances: the objective requirement and the inform requirement. Meet either one, and a licence application becomes necessary¹.

The first, the objective requirement, means a licence application is needed where the exporter's own check reveals concern. That check has two further angles. One is the end-use requirement, which looks at whether the goods or technology may be used in the development of weapons of mass destruction, or in the development of conventional weapons. The other is the end-user requirement, which checks whether the party that actually uses the product, that is, the end user, is engaged in such development, or appears on the foreign end-user list published by the Ministry of Economy, Trade and Industry. Where there is concern seen from both angles, the use and the counterparty, you file for a licence.

The end-use requirement carries a mechanism worth noting. Where it is clear that the goods will be used for something other than a concerning use, you may conclude that no licence is required. As the reference point for this judgment, the Ministry of Economy, Trade and Industry provides a guideline setting out the criteria, commonly known in practice as the "clearly guideline"⁴. It is the tooling for a common-sense line: where the nature of the transaction makes it objectively clear that the product can only be used for civilian purposes, there is no need to seek a licence for every shipment. That said, judging whether something can truly be called "clear" demands care, so when in doubt, the basic rule is to stop and verify.

The second, the inform requirement, means a licence application is needed where you receive a "notice that a licence application should be filed" from the Minister of Economy, Trade and Industry. That notice is called an inform notice. Where the objective requirement starts from the exporter's own voluntary check, the inform requirement starts from a notice on the authorities' side, an alert coming from outside. It helps to think of it as a mechanism prepared for cases where the authorities hold information about a concern that the exporter could not have spotted alone.

Because the foreign end-user list sits at the centre of checking the end-user requirement, it is worth looking at a little more closely.

The foreign end-user list is a list of entities published by the Ministry of Economy, Trade and Industry where there is concern about involvement in the development of weapons of mass destruction and the like. Where your counterparty appears on this list, you generally need to consider filing a licence application. Put the other way round, this list is the most legible starting point for checking the end-user requirement. It does not, however, mean that not appearing on the list guarantees safety; it is more accurate to understand it as one of the starting points for your check.

The list is reviewed periodically. The revision of 29 September 2025 brought the number of listed entities to roughly 835, covering 15 countries and regions (applied from 9 October 2025)⁵. A notable feature of this revision was the addition of a new column indicating concern relating to conventional weapons, alongside the existing concern relating to weapons of mass destruction. The trend of the whole regime turning its attention to conventional-weapons concern shows up even in the structure of this list. As for how many entities come from which country, since that breakdown shifts over time and an accurate reading requires the original source, I limit myself here to the overall figure.

There is one point I want to stress precisely for those new to the subject. Appearing on the foreign end-user list is a regulatory category, nothing more. It does not carry the value judgment that the entity has done something wrong or is a dangerous counterparty. The listed entities can include companies and research institutions running legitimate businesses for genuine civilian purposes. What the practice of export control asks of you is to check calmly whether a party is listed and take the necessary steps, not to view the counterparty through tinted glasses. This line matters both for keeping trust with your counterparties and from a compliance standpoint.

Looking at all of this, you can see how labour-intensive the checking work under catch-all controls really is. On top of the classification that matches a product's specifications against the provisions, you have to weigh the end-use for each transaction, check as end-user screening whether the counterparty appears on the foreign end-user list, and where necessary factor in whether an inform notice has been issued. This checking piles up with the number of transactions. The reason we built TRAFEED, an export control AI agent, meaning an AI mechanism that carries out this sequence of checks on your behalf, is that maintaining classification and end-user screening by hand alone, without gaps, has become impractical. Even so, the final classification and the decision on whether a transaction may proceed belong to each company's export control officer; what the AI handles is running the reconciliation of provisions against specifications and the matching of counterparties at speed, and leaving the reasoning on the record.

What changed in the major reform that took effect on 9 October 2025

Catch-all controls received their first major review in some time with the reform that took effect on 9 October 2025 (Reiwa 7). It followed the interim report compiled by the subcommittee of the Industrial Structure Council in April 2024; the amendments to the government and ministerial ordinances were promulgated on 9 April 2025 and took effect on 9 October the same year⁶. Here I narrow it to the four points a beginner should hold on to.

The first is the creation of a category for the scope of covered items. A category was set up under item 16 of Appended Table 1 of the Export Trade Control Order, organising items regarded as carrying a relatively high risk of diversion to weapons, such as semiconductors and certain machine tools, as "specified items"⁶. Where item 16 was previously a single bracket, the reform introduced shading according to the degree of risk.

The second is the creation of an objective requirement for the conventional-weapons catch-all bound for general countries. A general country here means a country or region that falls into neither Group A, discussed below, nor the UN arms-embargoed destinations. Previously, the conventional-weapons catch-all for such countries relied on the inform requirement alone, a mechanism that did not move unless the authorities issued a notice. After the reform, for specified items, an objective requirement was added under which the exporter checks the end-use and end-user requirements without waiting for an inform notice⁶. This is a change with large practical impact, because a part of the regime that had depended on notices from the authorities can now be triggered by the exporter's own voluntary check.

The third is the addition of an end-user requirement for UN arms-embargoed destinations. For the roughly 10 countries and regions where the UN restricts arms exports, the conventional-weapons catch-all end-user requirement was added, covering all items regardless of whether they are specified items⁶. Where previously there was only the end-use requirement, the perspective of looking at the counterparty was added.

The fourth is the new introduction of an inform requirement for Group A destinations. Group A is the category of countries and regions that Japan recognises as operating export control strictly, corresponding to the group once commonly called white countries. Previously, exports bound for Group A were outside the scope of catch-all controls. This reform introduced an inform requirement there too, so that a licence application can now become necessary where the Minister of Economy, Trade and Industry issues a notice⁶. The background is said to involve reported cases of circumvention through countries with looser controls, but no objective requirement is imposed; it is positioned purely as an exceptional last resort.

Around the same time as this reform, a separate amendment also added critical and emerging technology items, such as advanced semiconductor manufacturing equipment and quantum-computing-related items, to list controls⁶. It helps to understand this as a period when the review of catch-all controls and the expansion of list controls advanced in parallel. If you want to check the regulatory developments in the semiconductor field together, the article organising the whole picture of Japan's semiconductor export controls is a useful reference.

Summary

Boiled down, the story around catch-all controls (supplementary export controls) comes to a handful of points.

• Catch-all controls require a licence even for a general-purpose product that matches no listed item, where it may be used in the development of weapons of mass destruction or conventional weapons. They turn on end-use and end-user, not on the performance of the object
• They form a two-tier structure complementary to list controls. "Not listed" only clears the ground floor; the catch-all on the upper floor remains
• The categories are the weapons-of-mass-destruction catch-all (in force from 2002) and the conventional-weapons catch-all (introduced in 2008)
• The two entrances to a licence are the objective requirement and the inform requirement. The objective requirement is checked through the end-use and end-user requirements, and the end-user requirement uses the foreign end-user list as its starting point
• Appearing on the foreign end-user list is a regulatory category and does not judge the merits of the entity
• The reform that took effect on 9 October 2025 created a category for specified items, added an objective requirement for general countries, added an end-user requirement for UN arms-embargoed destinations, and newly introduced an inform requirement for Group A destinations

One last thing for anyone meeting this field for the first time. Catch-all controls look like a regime with a great deal to memorise, and it is easy to freeze up. But the essence of what it asks is a very plain question: know where your products go and who uses them for what. Look not only at whether something is on the list, but at the destination and the counterparty. Once that habit takes hold, the core of your response stays steady even as the details of the regime change.

If you cannot judge how far you should check in your own transactions, or how to build the structure for end-user screening, talk to our TRAFEED team.

Footnotes

1. For the definition, legal basis, objective requirement and inform requirement of supplementary export controls (catch-all controls), see the Center for Information on Security Trade Control (CISTEC), "Overview of Security Export Control" (https://www.cistec.or.jp/export/yukan_kiso/anpo_gaiyou/index.html ), and the Ministry of Economy, Trade and Industry, "Supplementary Export Controls" (https://www.meti.go.jp/policy/anpo/catchall.html ). Direct retrieval of the METI site is restricted, so the content was confirmed via the CISTEC and JETRO explanations. ↩ ↩² ↩³

2. For FEFTA Article 48(1) and Article 25(1), Appended Table 1 of the Export Trade Control Order (item 16) and the appended table of the Foreign Exchange Order (item 16), see CISTEC, "Overview of Security Export Control" (https://www.cistec.or.jp/export/yukan_kiso/anpo_gaiyou/index.html ). ↩ ↩²

3. For the timing of the weapons-of-mass-destruction catch-all (in force April 2002) and the conventional-weapons catch-all (introduced November 2008), see the Japan External Trade Organization (JETRO), "What Are Catch-All Controls" (https://www.jetro.go.jp/world/qa/04A-020118.html , updated November 2024). ↩ ↩²

4. For the treatment where it is clear that goods will be used for something other than a concerning use (commonly the "clearly guideline"), see CISTEC, "Overview of Security Export Control" (https://www.cistec.or.jp/export/yukan_kiso/anpo_gaiyou/index.html ) and the Anderson Mori & Tomotsune newsletter (https://www.amt-law.com/asset/pdf/bulletins5_pdf/250228.pdf ). Confirm the formal document title against the original source. ↩

5. For the foreign end-user list revision of 29 September 2025 (roughly 835 entities, 15 countries and regions, applied from 9 October 2025, with a new column added for conventional-weapons concern), the title of the METI published material (https://www.meti.go.jp/policy/anpo/20250929_1.pdf ) and multiple neutral export control explanations were used for confirmation. The country-by-country breakdown varies by point in time, so only the overall figure is given in the body. ↩

6. For the 2025 review of supplementary export controls (public comment opened 31 January 2025, promulgated 9 April 2025, in force 9 October 2025), and the creation of the specified-items category, the general-country objective requirement, the UN arms-embargoed-destination end-user requirement, the Group A inform requirement and the addition of critical and emerging technology to list controls, see the Anderson Mori & Tomotsune newsletter (https://www.amt-law.com/asset/pdf/bulletins5_pdf/250228.pdf ), the EY tax alert (https://www.ey.com/ja_jp/technical/ey-japan-tax-library/tax-alerts/2025/tax-alerts-02-06-03 ), and the METI "Supplementary Export Controls" reform explanatory material (https://www.meti.go.jp/policy/anpo/law_document/20250409_catchallshiryou.pdf ). Direct retrieval of the METI site is restricted, so the content was confirmed via the explanations from the law firm and specialist bodies. ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶