(a) The holder of a CP or limited work authorization (LWA) under this part may request an amendment to the CP or LWA in order to gain Commission approval of the safety of selected design features or specifications, including proposed departures from a design certification rule or ML. Amendments to CPs or LWAs under this part must be requested and processed under §§ 53.1510 and 53.1520.
(b) The holder of a COL under this part for which the NRC has not yet made a finding in accordance with § 53.1452(g) must request amendments required by § 53.1525 or § 53.1550 no later than 45 days from the date the licensee begins the construction of the SSCs to implement the change or departure requiring NRC approval. The licensee proceeds with such changes at its own risk recognizing that there is a possibility that the amendment will not be granted.
authority: Atomic Energy Act of 1954, secs. 11, 101, 103, 108, 122, 147, 161, 181, 182, 183, 184, 185, 186, 187, 189, 223, 234 (
42 U.S.C. 2014,
2131,
2132,
2133,
2134,
2135,
2138,
2152,
2167,
2169,
2201,
2231,
2232,
2233,
2234,
2235,
2236,
2237,
2239,
2273,
2282; Energy Reorganization Act of 1974, secs. 201, 202, 206, 211 (
42 U.S.C. 5841,
5842,
5846,
5851; Nuclear Waste Policy Act of 1982, sec. 306 (
42 U.S.C. 10226); National Environmental Policy Act of 1969 (
42 U.S.C. 4332);
44 U.S.C. 3504 note; Pub. L. 115-439, 132 Stat. 5571
source: 91 FR 15794, Mar. 30, 2026, unless otherwise noted.
cite as: 10 CFR 53.1535