ECCN 5D991

AT

Software specially designed or modified for the development, production or use of equipment controlled by 5A991 and 5B991, and dynamic adaptive routing software as described as follows .

Category: 5 - TelecommunicationsProduct Group: D - SoftwareLast Updated: 2026-04-10

What This ECCN Covers

ECCN 5D991 controls "software" specially designed or modified for the development, production, or use of the telecommunications equipment controlled by 5A991 or 5B991 — the Anti-Terrorism companion for commercial telecom software. As an AT-only entry, it applies to a limited set of destinations.

Who needs to check this?

Developers of operating, management, and design software for commercial telecommunications equipment.

Compliance tip

Tie the software to the 5A991/5B991 hardware it supports. Verify the §734.7 "published" exclusion for publicly available code, and confirm the AT Country Chart column before relying on a license exception.

Reviewed by Jack Tan · Last reviewed: Jun 5, 2026

Items Covered

1 item reserved by BIS (not shown)

Control Reasons

ATAnti-Terrorism

Items controlled for anti-terrorism reasons. Most items on the CCL have AT controls.

Column 1: YesColumn 2: No

Disclaimer

This information is for reference only. For official classifications, consult BIS or a qualified export control professional.

Official Reference