---
kind: "section"
citation: "10 C.F.R. § 1.43"
title: "10"
number: "1.43"
heading: "Office of Nuclear Reactor Regulation."
url: "https://uscodex.org/cfr/10/1.43"
---

# §1.43. Office of Nuclear Reactor Regulation.


The Office of Nuclear Reactor Regulation—

- (a) Develops, promulgates and implements regulations and develops and implements policies, programs, and procedures for all aspects of licensing, inspection, and safeguarding of—
  - (1) Manufacturing, production, and utilization facilities, except for those concerning fuel reprocessing plants and isotopic enrichment plants;
  - (2) Receipt, possession, and ownership of source, byproduct, and special nuclear material used or produced at facilities licensed under 10 CFR parts [50](/cfr/10/part50.md), [52](/cfr/10/part52.md), 53, and 54;
  - (3) Operators of such facilities;
  - (4) Emergency preparedness at such facilities; and
  - (5) **Contractors and suppliers of such facilities.**
- (b) Identifies and takes action regarding conditions and licensee performance that may adversely affect public health and safety, the environment, or the safeguarding of nuclear reactor facilities;
- (c) Assesses and recommends or takes action regarding incidents or accidents;
- (d) Provides special assistance as required in matters involving reactor facilities exempt from licensing;
- (e) Provides guidance and implementation direction to Regional Offices on reactor licensing, inspection, and safeguards programs assigned to the Region, and appraises Regional program performance in terms of effectiveness and uniformity; and
- (f) Performs other functions required for implementation of the reactor licensing, inspection, and safeguard programs.

## Notes

### Amendments

[70 FR 69422, Nov. 16, 2005, as amended at 72 FR 49470, Aug. 28, 2007; 88 FR 57876, Aug. 24, 2023; 91 FR 15765, Mar. 30, 2026]

### Authority

Authority: Atomic Energy Act of 1954, secs. 23, 25, 29, 161, 191 (42 U.S.C. 2033, 2035, 2039, 2201, 2241); Energy Reorganization Act of 1974, secs. 201, 203, 204, 205, 209 (42 U.S.C. 5841, 5843, 5844, 5845, 5849); Administrative Procedure Act (5 U.S.C. 552, 553); Reorganization Plan No. 1 of 1980, 5 U.S.C. Appendix (Reorganization Plans).

### Source

Source: 52 FR 31602, Aug. 21, 1987, unless otherwise noted.

### Amendments

[70 FR 69422, Nov. 16, 2005, as amended at 72 FR 49470, Aug. 28, 2007; 88 FR 57876, Aug. 24, 2023; 91 FR 15765, Mar. 30, 2026]