---
kind: "section"
citation: "10 C.F.R. § 1017.23"
title: "10"
number: "1017.23"
heading: "Protection in use."
url: "https://uscodex.org/cfr/10/1017.23"
---

# §1017.23. Protection in use.


An Authorized Individual or a person granted limited access to UCNI under [§ 1017.21](/cfr/10/1017.21.md) must maintain physical control over any document or material marked as containing UCNI that is in use to prevent unauthorized access to it.


## Notes

### Authority

Authority: 42 U.S.C. 7101 et seq.; 50 U.S.C. 2401 et seq.; 42 U.S.C. 2168; 28 U.S.C. 2461 note.

### Source

Source: 73 FR 32641, June 10, 2008, unless otherwise noted.