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10 CFR § 2.1201 - Definitions.

---
identifier: "/us/cfr/t10/s2.1201"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "10 CFR § 2.1201 - Definitions."
title_number: 10
title_name: "Energy"
section_number: "2.1201"
section_name: "Definitions."
chapter_name: "NUCLEAR REGULATORY COMMISSION"
part_number: "2"
part_name: "AGENCY RULES OF PRACTICE AND PROCEDURE"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Atomic Energy Act of 1954, secs. 29, 53, 62, 63, 81, 102, 103, 104, 105, 161, 181, 182, 183, 184, 186, 189, 191, 234 (42 U.S.C. 2039, 2073, 2092, 2093, 2111, 2132, 2133, 2134, 2135, 2201, 2231, 2232, 2233, 2234, 2236, 2239, 2241, 2282); Energy Reorganization Act of 1974, secs. 201, 206 (42 U.S.C. 5841, 5846); Nuclear Waste Policy Act of 1982, secs. 114(f), 134, 135, 141 (42 U.S.C. 10134(f), 10154, 10155, 10161); Administrative Procedure Act (5 U.S.C. 552, 553, 554, 557, 558); National Environmental Policy Act of 1969 (42 U.S.C. 4332); 44 U.S.C. 3504 note. Section 2.205(j) also issued under Sec. 31001(s), Pub. L. 104-134, 110 Stat. 1321-373 (28 U.S.C. 2461 note)."
regulatory_source: "27 FR 377, Jan. 13, 1962, unless otherwise noted."
cfr_part: "2"
---

# 2.1201 Definitions.

The definitions of terms contained in § 2.4 apply to this subpart unless a different definition is provided in this subpart.