4E001 Category 4E

“Technology” as follows (see List of Items Controlled).

Category 4: Computers

Reasons for control

NS: National security
MT: Missile technology
RS: Regional stability
CC: Crime control
AT: Anti-terrorism

Country chart

Control	Column
AT applies to entire entry	AT 1
CC applies to “technology” for computerized finger-print equipment controlled by 4A003 for CC reasons	CC 1
MT applies to “technology” for items controlled by 4A001.a and 4A101 for MT reasons	MT 1
NS applies to entire entry, except for “technology” for 4A090 or “software” specified by 4D090	NS 1
RS applies to “technology” for commodities controlled by 4A003.z.1.a, z.2.a, 4A004.z.1, 4A005.z.1, 4A090.a or “software” specified by 4D001 (for 4A003.z.1.a, z.2.a, 4A004.z.1 and 4A005.z.1), or 4D090.a	None
RS applies to “technology” for commodities controlled by 4A003.z.1.b, z.2.b, 4A004.z.2, 4A005.z.2, 4A090.b or “software” specified by 4D001 (for 4A003.z.1.b, z.2.b, 4A004.z.2, and 4A005.z.2), or 4D090.b	None

List-based license exceptions

Exception	As stated in the entry
APP	Yes, to specific countries (see § 740.7 of the EAR for eligibility criteria). ACE: Yes for 4E001.a (for the “development”, “production” or “use” of equipment or “software” specified in ECCN 4A005 or 4D004); and for 4E001.c, except to Country Group E:1 or E:2. See § 740.22 of the EAR for eligibility criteria. AIA: Yes for “technology” for commodities controlled by 4A003.z.1.a, z.2.a, 4A004.z.1, 4A005.z.1, 4A090.a or “software” specified by 4D001 (for 4A003.z.1.a, z.2.a, 4A004.z.1 and 4A005.z.1), or 4D090.a ACM: Yes for “technology” for commodities controlled by 4A003.z, 4A004.z, 4A005.z, 4A090 or “software” specified by 4D001 (for 4A003.z, 4A004.z and 4A005.z), or 4D090.
TSR	Yes, except for the following:

Exception

As stated in the entry

APP

Yes, to specific countries (see § 740.7 of the EAR for eligibility criteria). ACE: Yes for 4E001.a (for the “development”, “production” or “use” of equipment or “software” specified in ECCN 4A005 or 4D004); and for 4E001.c, except to Country Group E:1 or E:2. See § 740.22 of the EAR for eligibility criteria. AIA: Yes for “technology” for commodities controlled by 4A003.z.1.a, z.2.a, 4A004.z.1, 4A005.z.1, 4A090.a or “software” specified by 4D001 (for 4A003.z.1.a, z.2.a, 4A004.z.1 and 4A005.z.1), or 4D090.a ACM: Yes for “technology” for commodities controlled by 4A003.z, 4A004.z, 4A005.z, 4A090 or “software” specified by 4D001 (for 4A003.z, 4A004.z and 4A005.z), or 4D090.

TSR

Yes, except for the following:

Items

a. “Technology” according to the General Technology Note, for the “development”, “production”, or “use” of equipment or “software” controlled by 4A (except 4A906, 4A980 or 4A994 and “use” of equipment controlled under 4A090) or 4D (except 4D906, 4D980, 4D993, 4D994 and “use” of software controlled under 4D090).
b. “Technology” according to the General Technology Note, other than that controlled by 4E001.a, for the “development” or “production” of equipment as follows:
b.1. “Digital computers” having an “Adjusted Peak Performance” (“APP”) exceeding 24 Weighted TeraFLOPS (WT);
b.2. “Electronic assemblies” “specially designed” or modified for enhancing performance by aggregation of processors so that the “APP” of the aggregation exceeds the limit in 4E001.b.1.
c. “Technology” for the “development” of “intrusion software.”

Related controls

N/A

Notes

Note: See § 740.2(a)(9)(ii) of the EAR for license exception restrictions for technology for .z paragraphs under ECCNs 4A003, 4A004, 4A005 or 4A090, or “software” specified by 4D001 (for 4A003.z, 4A004.z, 4A005.z, and 4A090).

Note 1: 4E001.a and .c do not apply to “vulnerability disclosure” or “cyber incident response”.

Note 2: Note 1 does not diminish national authorities' rights to ascertain compliance with 4E001.a and .c.

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.