10 CFR § 63.45 - Amendment of license.

---
identifier: "/us/cfr/t10/s63.45"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "10 CFR § 63.45 - Amendment of license."
title_number: 10
title_name: "Energy"
section_number: "63.45"
section_name: "Amendment of license."
chapter_name: "NUCLEAR REGULATORY COMMISSION"
part_number: "63"
part_name: "DISPOSAL OF HIGH-LEVEL RADIOACTIVE WASTES IN A GEOLOGIC REPOSITORY AT YUCCA MOUNTAIN, NEVADA"
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. 51, 53, 62, 63, 65, 81, 161, 182, 183, 223, 234 (42 U.S.C. 2071, 2073, 2092, 2093, 2095, 2111, 2201, 2232, 2233, 2273, 2282); Energy Reorganization Act of 1974, secs. 201, 202, 206, 211 (42 U.S.C. 5841, 5842, 5846, 5851); 42 U.S.C. 2021a; National Environmental Policy Act of 1969 (42 U.S.C. 4332); Nuclear Waste Policy Act of 1982, secs. 114, 117, 121 (42 U.S.C. 10134, 10137, 10141); 44 U.S.C. 3504 note."
regulatory_source: "66 FR 55792, Nov. 2, 2001, unless otherwise noted."
cfr_part: "63"
---


# 63.45 Amendment of license.

(a) An application for amendment of a license may be filed with the Commission fully describing the changes desired and following as far as applicable the format prescribed for license applications.

(b) In determining whether an amendment of a license will be approved, the Commission will be guided by the considerations that govern the issuance of the initial license, to the extent applicable.