Dual-use goods and items with both civil and military potential

Control by parameter, not by purpose

Entries in a control list describe items by measurable characteristics: a tolerance, a frequency range, a temperature rating, a purity, a key length. An item either meets those parameters or it does not, and the manufacturer's intended market is irrelevant to the answer. This is why the classification exercise has to be performed by people who can read a specification, working from the actual technical data rather than from a marketing description.

How the lists are put together

National lists draw substantially on multilateral export control arrangements, which is why entries look broadly similar across jurisdictions even though the legal instruments differ. Lists are organised into categories covering areas such as materials, electronics, computers, telecommunications, sensors, navigation, marine and aerospace, with sub-entries for the item itself, its test equipment, its materials, its software and its technology. That last structure matters: the software and the know-how behind a controlled item are usually controlled alongside it.

Components, incorporation and the derived product

A controlled component built into a larger assembly does not necessarily lose its status, and the finished product may itself be controlled. Businesses buying controlled parts therefore inherit an obligation they did not create, and businesses selling them need to know what their customers are building. Supplier declarations of control status, requested as a matter of routine at purchasing, are how most companies get visibility of this.

Classification as a maintained record

A control classification is a decision about a specific product configuration at a point in time, and it should be recorded with the reasoning and the specification it relied on. Product changes, list revisions and new markets all require it to be revisited. The practical failure mode is a spreadsheet built during a project and never touched again, which by the time anyone consults it describes products the company no longer makes.

Frequently asked questions

Is a commodity code the same as a control classification?

No, and confusing them is a common and serious error. A tariff code determines duty and trade measures; a control classification determines whether an export licence is needed. The two systems are structured differently, and an item can be unremarkable under one and controlled under the other.

What if a product is just below a control parameter?

Then it is not caught by that entry, but the position deserves recording carefully, because a small design change can bring it within scope. Products designed close to a threshold should be flagged so that engineering changes trigger a fresh assessment rather than passing unnoticed.

Do controls apply to sending a specification to a colleague abroad?

They can. Transfer of controlled technology between countries, and in some regimes to a foreign national within the same country, is treated as an export. Businesses with distributed engineering teams need this addressed in their access controls, not only in their shipping process.