ECCN or EAR99? Classifying US-Origin Goods Under the US Export Rules

Under the US Export Administration Regulations (EAR), an item either matches an Export Control Classification Number (ECCN) on the Commerce Control List (CCL) or, if no ECCN describes it, is designated EAR99. BIS recognises three ways to find the ECCN: ask the manufacturer, self-classify using the CCL Order of Review, or request an official classification through SNAP-R. EAR99 items need no licence in most situations, but restricted buyers, end uses and destinations still matter, and the rules can follow US-origin goods after they leave the United States.

Who this matters to outside the United States

US export controls are written for exports from the United States, but they do not stop at the US border. Part 732 of the EAR includes steps written specifically for reexporters: if an item located in a foreign country is of US origin, Step 3 sends you straight to classification (Step 7). Step 4 covers foreign-made items that incorporate controlled US-origin content above the de minimis levels in § 734.4, and Step 6 covers certain foreign-made direct products of US technology or software.

In practice, classification is relevant to a British distributor reselling US-made equipment, a UK subsidiary receiving controlled software from its US parent, or an export manager in London preparing shipments that leave a US warehouse. The ECCN is the starting point in each case. (The UK's own export control regime is outside the scope of this knowledge base and is not covered here.)

Decoding the five characters

BIS defines ECCNs as five-character alphanumeric designations used on the CCL to identify items for export control purposes; examples given by BIS include 1A984 and 4A001. The structure is fixed:

1. Character 1 (0-9), category: 0 nuclear and miscellaneous; 1 special materials, chemicals, microorganisms and toxins; 2 materials processing; 3 electronics; 4 computers; 5 telecommunications and information security; 6 sensors and lasers; 7 navigation and avionics; 8 marine; 9 aerospace and propulsion.
2. Character 2 (A-E), product group: A end items, equipment, parts and components; B test, inspection and production equipment; C materials; D software; E technology.
3. Characters 3-5: the specific CCL entry, with its technical parameters and reasons for control.

A common mix-up in UK paperwork: BIS stresses that an ECCN is distinct from and entirely unrelated to a Schedule B number or an HTS code. A tariff heading on your commercial invoice will not tell you anything about export control status.

Three recognised routes to an ECCN

For a UK reseller, going to the source is usually the first move: your US supplier has the technical file. Treat the answer as a starting point rather than a guarantee, because the classification obligation applies to whoever exports or reexports the item. Part 732 also confirms that you have a right to request a classification from BIS, and that BIS has a duty to provide it.

Self-classifying: the Order of Review in brief

If you have the engineering knowledge in-house, BIS's guidance on the Order of Review runs as follows:

1. Check that the item is not under the exclusive jurisdiction of another US federal agency.
2. From the item's general characteristics, identify the likely CCL categories.
3. Within each, select the relevant product group.
4. For military or spacecraft-related items, compare first against the 9x515 and “600 series” entries (third character “6”).
5. Otherwise, read the product group from the beginning for any matching ECCN.
6. If nothing matches in any category, the item is EAR99.

BIS supports this with the Interactive Commerce Control List, an Order of Review Decision Tool and decision trees on “specially designed”, a defined term (part 772) that appears in many ECCNs. Items under temporary controls sit in the 0Y521 series while BIS decides on a permanent classification.

EAR99: a basket, not a free pass

EAR99 is the “basket” for items subject to the EAR that no ECCN describes; it appears at the end of each CCL category. BIS says EAR99 items need no licence in most situations, but they may require one if destined for a prohibited or restricted end user, end use or destination of concern.

The reason sits in Part 732: General Prohibitions One to Three are product-based and read from the CCL and Country Chart, while General Prohibitions Four to Ten apply to every item subject to the EAR, EAR99 included. They cover denial orders, prohibited end uses and end users, embargoes, proliferation support by US persons, in-transit shipments, breaches of orders and conditions, and proceeding with knowledge of a violation.

Where the classification ends up

• US export filing (EEI): for shipments leaving the US, 15 CFR 758.1(g) requires the licence authority and, where required, the ECCN. EAR99 items shipped NLR use FTR licence code C33; for China, Russia or Venezuela the ECCN must be entered whatever the reason for control.
• Destination Control Statement: required on the invoice and transport document for exports from the US of CCL items, not for EAR99 (unless shipped under License Exception BAG or GFT). Part 732 notes that DCS requirements do not apply to reexports.
• Records: Part 762 requires transaction records to be kept for five years, and § 762.7(b) states that persons outside the United States who must keep EAR records shall produce them on request by BIS.

Common classification mistakes

• Treating the commodity code on a customs declaration as the ECCN.
• Assuming that goods already in the UK are “out of scope” of US rules without checking origin and US content.
• Relying on a supplier's ECCN from years ago; BIS recommends periodic review.
• Reading EAR99 as “no checks required”.

The US export basics knowledge base collects the BIS classification pages, Part 732 and the eCFR texts (as displayed on October 1, 2026). You can ask it, for example, “What does the second character of an ECCN tell me?” or “If my item is not on the CCL, does that mean no licence is ever needed?”

This guide summarises published US rules and is not legal advice. For a definitive answer on a specific product, see BIS's classification page or request an official classification, and use the knowledge base to trace each rule to its source.