---
kind: "section"
citation: "10 C.F.R. § 21.2"
title: "10"
number: "21.2"
heading: "Scope."
url: "https://uscodex.org/cfr/10/21.2"
---

# §21.2. Scope.

- (a) The regulations in this part apply, except as specifically provided otherwise in parts [31](/cfr/10/part31.md), [34](/cfr/10/part34.md), 35, 39, 40, 60, 61, 63, 70, or [part 72](/cfr/10/part72.md) of this chapter, to:
  - (1) Each individual, partnership, corporation, or other entity applying for or holding a license or permit under the regulations in this chapter to possess, use, or transfer within the United States source material, byproduct material, special nuclear material, and/or spent fuel and high-level radioactive waste, or to construct, manufacture, possess, own, operate, or transfer within the United States, any production or utilization facility or independent spent fuel storage installation (ISFSI) or monitored retrievable storage installation (MRS); and each director and responsible officer of such a licensee;
  - (2) Each individual, corporation, partnership, or other entity doing business within the United States, and each director and responsible officer of such an organization, that constructs a production or utilization facility licensed for manufacture, construction, or operation under part [50](/cfr/10/part50.md), [52](/cfr/10/part52.md), or 53 of this chapter, an ISFSI for the storage of spent fuel licensed under [part 72](/cfr/10/part72.md) of this chapter, an MRS for the storage of spent fuel or high-level radioactive waste under [part 72](/cfr/10/part72.md) of this chapter, or a geologic repository for the disposal of high-level radioactive waste under part [60](/cfr/10/part60.md) or [63](/cfr/10/part63.md) of this chapter; or supplies basic components for a facility or activity licensed, other than for export, under part [30](/cfr/10/part30.md), [40](/cfr/10/part40.md), 50, 52, 53, 60, 61, 63, 70, 71, or 72 of this chapter;
  - (3) Each individual, corporation, partnership, or other entity doing business within the United States, and each director and responsible officer of such an organization, applying for a design certification rule under part [52](/cfr/10/part52.md) or [53](/cfr/10/part53.md) of this chapter; or supplying basic components with respect to that design certification, and each individual, corporation, partnership, or other entity doing business within the United States, and each director and responsible officer of such an organization, whose application for design certification has been granted under part [52](/cfr/10/part52.md) or [53](/cfr/10/part53.md) of this chapter, or who has supplied or is supplying basic components with respect to that design certification;
  - (4) Each individual, corporation, partnership, or other entity doing business within the United States, and each director and responsible officer of such an organization, applying for or holding a standard design approval under part [52](/cfr/10/part52.md) or [53](/cfr/10/part53.md) of this chapter; or supplying basic components with respect to a standard design approval under part [52](/cfr/10/part52.md) or [53](/cfr/10/part53.md) of this chapter;
- (b) For persons licensed to construct a facility under either a construction permit issued under [§ 50.23](/cfr/10/50.23.md) or [§ 53.1333](/cfr/10/53.1333.md) of this chapter or a combined license under part [52](/cfr/10/part52.md) or [53](/cfr/10/part53.md) of this chapter (for the period of construction until the date that the Commission makes the finding under [§ 52.103(g)](/cfr/10/52.103.md?p=g) or [§ 53.1452(g)](/cfr/10/53.1452.md?p=g) of this chapter), or to manufacture a facility under part [52](/cfr/10/part52.md) or [53](/cfr/10/part53.md) of this chapter, evaluation of potential defects and failures to comply and reporting of defects and failures to comply under [§ 50.55(e)](/cfr/10/50.55.md?p=e) or [§ 53.605](/cfr/10/53.605.md) of this chapter satisfies each person's evaluation, notification, and reporting obligation to report defects and failures to comply under this part and the responsibility of individual directors and responsible officers of these licensees to report defects under section 206 of the Energy Reorganization Act of 1974.
- (c) For persons licensed to operate a nuclear power plant under part [50](/cfr/10/part50.md), [52](/cfr/10/part52.md), or 53 of this chapter, evaluation of potential defects and appropriate reporting of defects under [§ 50.72](/cfr/10/50.72.md), [§ 50.73](/cfr/10/50.73.md), [§ 53.1630](/cfr/10/53.1630.md), [§ 53.1640](/cfr/10/53.1640.md), or §§ [73.1200](/cfr/10/73.1200.md) and [73.1205](/cfr/10/73.1205.md) of this chapter, satisfies each person's evaluation, notification, and reporting obligation to report defects under this part, and the responsibility of individual directors and responsible officers of these licensees to report defects under Section 206 of the Energy Reorganization Act of 1974.
- (d) Nothing in these regulations should be deemed to preclude either an individual, a manufacturer, or a supplier of a commercial grade item (as defined in [§ 21.3](/cfr/10/21.3.md)) not subject to the regulations in this part from reporting to the Commission, a known or suspected defect or failure to comply and, as authorized by law, the identity of anyone so reporting will be withheld from disclosure. NRC regional offices and headquarters will accept collect telephone calls from individuals who wish to speak to NRC representatives concerning nuclear safety-related problems. The location and telephone numbers of the four regions (answered during regular working hours), are listed in appendix D to [part 20](/cfr/10/part20.md) of this chapter. The telephone numbers of the NRC Headquarters Operations Center (answered 24 hours a day—including holidays) are listed in appendix A to [part 73](/cfr/10/part73.md) of this chapter.
- (e) The regulations in this part apply in accordance with [10 CFR 76.60](/cfr/10/76.60.md) to each individual, partnership, corporation, or other entity required to obtain a certificate of compliance or an approved compliance plan under [part 76](/cfr/10/part76.md) of this chapter.

## Notes

### Amendments

[56 FR 36089, July 31, 1991, as amended at 59 FR 14086, Mar. 25, 1994; 59 FR 48959, Sept. 23, 1994; 60 FR 48373, Sept. 19, 1995; 66 FR 55790, Nov. 2, 2001; 72 FR 49486, Aug. 28, 2007; 85 FR 65661, Oct. 16, 2020; 88 FR 15880, Mar. 14, 2023; 91 FR 15773, Mar. 30, 2026]

### Authority

Authority: Atomic Energy Act of 1954, secs. 53, 63, 81, 103, 104, 161, 223, 234, 1701 (42 U.S.C. 2073, 2093, 2111, 2133, 2134, 2201, 2273, 2282, 2297f); Energy Reorganization Act of 1974, secs. 201, 206 (42 U.S.C. 5841, 5846); Nuclear Waste Policy Act of 1982, secs. 135, 141 (42 U.S.C. 10155, 10161); 44 U.S.C. 3504 note.

### Source

Source: 42 FR 28893, June 6, 1977, unless otherwise noted.

### Amendments

[56 FR 36089, July 31, 1991, as amended at 59 FR 14086, Mar. 25, 1994; 59 FR 48959, Sept. 23, 1994; 60 FR 48373, Sept. 19, 1995; 66 FR 55790, Nov. 2, 2001; 72 FR 49486, Aug. 28, 2007; 85 FR 65661, Oct. 16, 2020; 88 FR 15880, Mar. 14, 2023; 91 FR 15773, Mar. 30, 2026]