5C991 Category 5C
Preforms of glass or of any other material optimized for the manufacture of optical fibers controlled by 5A991.
Category 5: Telecommunications and “Information Security”
Reasons for control
- AT: Anti-terrorism
Country chart
| Control | Column |
|---|---|
| AT applies to entire entry | AT 1 |
List-based license exceptions
Items
- Items: The list of items controlled is contained in the ECCN heading.
Related controls
N/A
Source: eCFR, version
2026-08-01, retrieved
2026-08-20T04:04:59+00:00.