10 CFR § 55.3 - License requirements.

---
identifier: "/us/cfr/t10/s55.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "10 CFR § 55.3 - License requirements."
title_number: 10
title_name: "Energy"
section_number: "55.3"
section_name: "License requirements."
chapter_name: "NUCLEAR REGULATORY COMMISSION"
part_number: "55"
part_name: "OPERATORS' LICENSES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Atomic Energy Act of 1954, secs. 107, 161, 181, 182, 183, 186, 187, 223, 234 (42 U.S.C. 2137, 2201, 2231, 2232, 2233, 2236, 2237, 2273, 2282); Energy Reorganization Act of 1974, secs. 201, 202 (42 U.S.C. 5841, 5842); Nuclear Waste Policy Act of 1982, sec. 306 (42 U.S.C. 10226); 44 U.S.C. 3504 note."
regulatory_source: "52 FR 9460, Mar. 25, 1987, unless otherwise noted."
cfr_part: "55"
---


# 55.3 License requirements.

A person must be authorized by a license issued by the Commission to perform the function of an operator or a senior operator as defined in this part.