10 CFR 50

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General Provisions

50.1 Basis, purpose, and procedures applicable.
50.2 Definitions.
50.3 Interpretations.
50.4 Written communications.
50.5 Deliberate misconduct.
50.7 Employee protection.
[[10 CFR 50.8|50.8 Information collection requirements: OMB approval.]]
50.9 Completeness and accuracy of information.

Requirement of License, Exceptions

50.10 License required; limited work authorization.
50.11 Exceptions and exemptions from licensing requirements.
50.12 Specific exemptions.
50.13 Attacks and destructive acts by enemies of the United States; and defense activities.

Classification and Description of Licenses

50.20 Two classes of licenses.
50.21 Class 104 licenses; for medical therapy and research and development facilities.
50.22 Class 103 licenses; for commercial and industrial facilities.
50.23 Construction permits.

Applications for Licenses, Certifications, and Regulatory Approvals; Form; Contents; Ineligibility of Certain Applicants

50.30 Filing of applications for licenses; oath or affirmation.
50.31 Combining applications.
50.32 Elimination of repetition.
50.33 Contents of applications; general information.
50.34 Contents of applications; technical information.

<a href="part050-0034a.html">50.34a Design objectives for equipment to control releases of radioactive material in effluents- nuclear power reactors.</a>

50.35 Issuance of construction permits.
50.36 Technical specifications.

<a href="part050-0036a.html">50.36a Technical specifications on effluents from nuclear power reactors.</a>
<a href="part050-0036b.html">50.36b Environmental conditions.</a>

50.37 Agreement limiting access to Classified Information.
50.38 Ineligibility of certain applicants.
50.39 Public inspection of applications.

Standards for Licenses, Certifications,and Regulatory Approvals

50.40 Common standards.
50.41 Additional standards for class 104 licenses.
50.42 Additional standard for class 103 licenses.
50.43 Additional standards and provisions affecting class 103 licenses and certifications for commercial power.
50.44 Combustible gas control for nuclear power reactors.
50.45 Standards for construction permits, operating licenses, and combined licenses.
[[10 CFR 50.46|50.46 Acceptance criteria for emergency core cooling systems for light-water nuclear power reactors.</a>

<a href="part050-0046a.html">50.46a Acceptance criteria for reactor coolant system venting systems.]]

50.47 Emergency plans.
50.48 Fire protection.
50.49 Environmental qualification of electric equipment important to safety for nuclear power plants.

Issuance, Limitations, and Conditions of Licenses and Construction Permits

50.50 Issuance of licenses and construction permits.
50.51 Continuation of license.
50.52 Combining licenses.
50.53 Jurisdictional limitations.
50.54 Conditions of licenses.
50.55 Conditions of construction permits, early site permits, combined licenses, and manufacturing licenses.

<a href="part050-0055a.html">50.55a Codes and standards.</a>

50.56 Conversion of construction permit to license; or amendment of license.
50.57 Issuance of operating license.
50.58 Hearings and report of the Advisory Committee on Reactor Safeguards.
50.59 Changes, tests and experiments.
50.60 Acceptance criteria for fracture prevention measures for lightwater nuclear power reactors for normal operation.
50.61 Fracture toughness requirements for protection against pressurized thermal shock events.

<a href="part050-0061a.html">50.61a Alternate fracture toughness requirements for protection against pressurized thermal shock events. </a>

[[10 CFR 50.62|50.62 Requirements for reduction of risk from anticipated transients without scram (ATWS) events for light- water-cooled nuclear power plants.]]
50.63 Loss of all alternating current power.
[[10 CFR 50.64|50.64 Limitations on the use of highly enriched uranium (HEU) in domestic non-power reactors.]]
50.65 Requirements for monitoring the effectiveness of maintenance at nuclear power plants.
[[10 CFR 50.66|50.66 Requirements for thermal annealing of the reactor pressure vessel.]]
50.67 Accident source term.
50.68 Criticality accident requirements.

Inspections, Records, Reports, Notifications

50.69 Risk-informed categorization and treatment of structures, systems and components for nuclear power reactors.
50.70 Inspections.
50.71 Maintenance of records, making of reports.
50.72 Immediate notification requirements for operating nuclear power reactors.
50.73 License event report system.
50.74 Notification of change in operator or senior operator status.
50.75 Reporting and recordkeeping for decommissioning planning.
50.76. Licensee's change of status; financial qualifications.

US/IAEA Safeguards Agreement

50.78 Facility information and verification.

Transfers of Licenses-Creditors' Rights-Surrender of Licenses

50.80 Transfer of licenses.
50.81 Creditor regulations.
50.82 Termination of license.
50.83 Release of part of a power reactor facility or site for unrestricted use.

Amendment of License or Construction Permit at Request of Holder

50.90 Application for amendment of license, construction permit, or early site permit.
50.91 Notice for public comment; State consultation.
50.92 Issuance of amendment.

Revocation, Suspension, Modification, Amendment of Licenses and Construction Permits, Emergency Operations by the Commission

50.100 Revocation, suspension, modification of licenses, permits, and approvals for cause.
50.101 Retaking possession of special nuclear material.
50.102 Commission order for operation after revocation.
50.103 Suspension and operation in war or national emergency.


50.109 Backfitting.


50.110 Violations.
50.111 Criminal penalties.

Additional Standards for Licenses, Certifications, and Regulatory Approvals

50.120 Training and qualification of nuclear power plant personnel.
50.150 Aircraft impact assessment.
Appendix A to Part 50-General Design Criteria for Nuclear Power Plants
Appendix B to Part 50-Quality Assurance Criteria for Nuclear Power Plants and Fuel Reprocessing Plants
Appendix C to Part 50-A Guide for the Financial Data and Related Information Required To Establish Financial Qualifications for Construction Permits and Combined Licenses
Appendix D to Part 50 [Reserved]
Appendix E to Part 50-Emergency Planning and Preparedness for Production and Utilization Facilities
Appendix F to Part 50-Policy Relating to the Siting of Fuel Reprocessing Plants and Related Waste Management Facilities
Appendix G to Part 50-Fracture Toughness Requirements
Appendix H to Part 50-Reactor Vessel Material Surveillance Program Requirements
Appendix I to Part 50-Numerical Guides for Design Objectives and Limiting Conditions for Operation to Meet the Criterion "As Low as is Reasonably Achievable" for Radioactive Material in Light-Water-Cooled Nuclear Power Reactor Effluents
Appendix J to Part 50-Primary Reactor Containment Leakage Testing for Water-Cooled Power Reactors
Appendix K to Part 50-ECCS Evaluation Models
Appendix L to Part 50 [Reserved]
Appendix M to Part 50 [Reserved]
Appendix N to Part 50-Standardization of Nuclear Power Plant Designs: Permits To Construct and Licenses To Operate Nuclear Power Reactors of Identical Design at Multiple Sites
Appendix O to Part 50 [Reserved]
Appendix P to Part 50 [Reserved]
Appendix Q to Part 50-Pre-application Early Review of Site Suitability Issues
Appendix R to Part 50-Fire Protection Program for Nuclear Power Facilities Operating Prior to January 1, 1979
Appendix S to Part 50-Earthquake Engineering Criteria for Nuclear Power Plants

Authority: Atomic Energy Act secs. 102, 103, 104, 105, 147, 149, 161, 181, 182, 183, 186, 189, 223, 234 (42 U.S.C. 2132, 2133, 2134, 2135, 2167, 2169, 2201, 2231, 2232, 2233, 2236, 2239, 2273, 2282); Energy Reorganization Act secs. 201, 202, 206 (42 U.S.C. 5841, 5842, 5846); Nuclear Waste Policy Act sec. 306 (42 U.S.C. 10226); Government Paperwork Elimination Act sec. 1704 (44 U.S.C. 3504 note); Energy Policy Act of 2005, Pub. L. No. 109-58, 119 Stat. 194 (2005). Section 50.7 also issued under Pub. L.95-601, sec. 10, as amended by Pub. L. 102-486, sec. 2902 (42 U.S.C. 5851). Section 50.10 also issued under Atomic Energy Act secs. 101, 185 (42 U.S.C. 2131, 2235); National Environmental Policy Act sec. 102 (42 U.S.C. 4332). Sections 50.13, 50.54(dd), and 50.103 also issued under Atomic Energy Act sec. 108 (42 U.S.C. 2138).
Sections 50.23, 50.35, 50.55, and 50.56 also issued under Atomic Energy Act sec. 185 (42 U.S.C. 2235). Appendix Q also issued under National Environmental Policy Act sec. 102 (42 U.S.C. 4332). Sections 50.34 and 50.54 also issued under sec. 204 (42 U.S.C. 5844). Sections 50.58, 50.91, and 50.92 also issued under Pub. L.97-415 (42 U.S.C. 2239). Section 50.78 also issued under Atomic Energy Act sec. 122 (42 U.S.C. 2152). Sections 50.80-50.81 also issued under Atomic Energy Act sec. 184 (42 U.S.C. 2234).
Source: 21 FR 355, Jan. 19, 1956, unless otherwise noted.

Federal Register

"[FR" contains the "[" character as part of a property label and has been classified as invalid.

; 72 FR 57441, Oct. 9, 2007; 72 FR 63973, Nov. 14, 2007; 73 FR 42674, Jul. 23, 2008; 73 FR 78605, Dec. 23, 2008; 73 FR 63571, Oct. 24, 2008; 74 FR 28146, Jun. 12, 2009; 75 FR 23, Jan. 4, 2010; 75 FR 61335, Oct. 5, 2010; 76 FR 35570, Jun. 17, 2011; 77 FR 39906, Jul. 6, 2012]

External Links

NRC website 10 CFR 50