---
kind: "section"
citation: "42 U.S.C. § 2163"
title: "42"
title_heading: "The Public Health and Welfare"
number: "2163"
heading: "Access to Restricted Data"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/2163"
units:
  - "Chapter 23 — Development and Control of Atomic Energy"
  - "Division A — Atomic Energy"
  - "Subchapter XI — Control of Information"
---

# §2163. Access to Restricted Data


The [Commission](/usc/42/2014.md?p=f) may authorize any of its employees, or employees of any contractor, prospective contractor, licensee or prospective licensee of the [Commission](/usc/42/2014.md?p=f) or any other [person](/usc/42/2014.md?p=s) authorized access to [Restricted Data](/usc/42/2014.md?p=y) by the [Commission](/usc/42/2014.md?p=f) under [section 2165(b)](/usc/42/2165.md?p=b) and (c) of this title to permit any employee of an [agency](/usc/42/2231.md?p=a) of the Department of Defense or of its contractors, or any member of the Armed Forces to have access to [Restricted Data](/usc/42/2014.md?p=y) required in the performance of his duties and so certified by the head of the appropriate [agency](/usc/42/2231.md?p=a) of the Department of Defense or his designee: Provided, however, That the head of the appropriate [agency](/usc/42/2231.md?p=a) of the Department of Defense or his designee has determined, in accordance with the established personnel security procedures and standards of such [agency](/usc/42/2231.md?p=a), that permitting the member or employee to have access to such [Restricted Data](/usc/42/2014.md?p=y) will not endanger the [common defense and security](/usc/42/2014.md?p=g): And provided further, That the [Secretary](/usc/42/242q–4.md?p=2) of Defense finds that the established personnel and other security procedures and standards of such [agency](/usc/42/2231.md?p=a) are adequate and in reasonable conformity to the standards established by the [Commission](/usc/42/2014.md?p=f) under [section 2165 of this title](/usc/42/2165.md).


## Source credit

(Aug. 1, 1946, ch. 724, title I, § 143, as added Aug. 30, 1954, ch. 1073, § 1, 68 Stat. 941; amended Aug. 6, 1956, ch. 1015, § 14, 70 Stat. 1071; Pub. L. 87–206, § 5, Sept. 6, 1961, 75 Stat. 476; renumbered title I, Pub. L. 102–486, title IX, § 902(a)(8), Oct. 24, 1992, 106 Stat. 2944.)

## Notes

### Editorial Notes

### Amendments

1961—Pub. L. 87–206 inserted reference to subsection (c) of section 2165 of this title.

1956—Act Aug. 6, 1956, inserted “or any other person authorized access to Restricted Data by the Commission under section 2165(b) of this title”.