---
kind: "unit"
title: "10"
title_heading: "Energy"
key: "chI/part50"
level: "part"
label: "Part 50"
heading: "Domestic Licensing of Production and Utilization Facilities"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/10/chI-part50"
sections_count: 89
---

# Part 50 — Domestic Licensing of Production and Utilization Facilities

Title 10 C.F.R. — Energy › Chapter I — Nuclear Regulatory Commission

## Sections

- [§50.1. Basis, purpose, and procedures applicable.](/cfr/10/50.1.md)
- [§50.2. Definitions.](/cfr/10/50.2.md)
- [§50.3. Interpretations.](/cfr/10/50.3.md)
- [§50.4. Written communications.](/cfr/10/50.4.md)
- [§50.5. Deliberate misconduct.](/cfr/10/50.5.md)
- [§50.7. Employee protection.](/cfr/10/50.7.md)
- [§50.8. Information collection requirements: OMB approval.](/cfr/10/50.8.md)
- [§50.9. Completeness and accuracy of information.](/cfr/10/50.9.md)
- [§50.10. License required; limited work authorization.](/cfr/10/50.10.md)
- [§50.11. Exceptions and exemptions from licensing requirements.](/cfr/10/50.11.md)
- [§50.12. Specific exemptions.](/cfr/10/50.12.md)
- [§50.13. Attacks and destructive acts by enemies of the United States; and defense activities.](/cfr/10/50.13.md)
- [§50.20. Two classes of licenses.](/cfr/10/50.20.md)
- [§50.21. Class 104 licenses; for medical therapy and research and development facilities.](/cfr/10/50.21.md)
- [§50.22. Class 103 licenses; for commercial and industrial facilities.](/cfr/10/50.22.md)
- [§50.23. Construction permits.](/cfr/10/50.23.md)
- [§50.30. Filing of application; oath or affirmation.](/cfr/10/50.30.md)
- [§50.31. Combining applications.](/cfr/10/50.31.md)
- [§50.32. Elimination of repetition.](/cfr/10/50.32.md)
- [§50.33. Contents of applications; general information.](/cfr/10/50.33.md)
- [§50.34. Contents of applications; technical information.](/cfr/10/50.34.md)
- [§50.34a. Design objectives for equipment to control releases of radioactive material in effluents—nuclear power reactors.](/cfr/10/50.34a.md)
- [§50.35. Issuance of construction permits. 1](/cfr/10/50.35.md)
- [§50.36. Technical specifications.](/cfr/10/50.36.md)
- [§50.36a. Technical specifications on effluents from nuclear power reactors.](/cfr/10/50.36a.md)
- [§50.36b. Environmental conditions.](/cfr/10/50.36b.md)
- [§50.37. Agreement limiting access to Classified Information.](/cfr/10/50.37.md)
- [§50.38. Ineligibility of certain applicants.](/cfr/10/50.38.md)
- [§50.39. Public inspection of applications.](/cfr/10/50.39.md)
- [§50.40. Common standards.](/cfr/10/50.40.md)
- [§50.41. Additional standards for class 104 licenses.](/cfr/10/50.41.md)
- [§50.42. Additional standard for class 103 licenses.](/cfr/10/50.42.md)
- [§50.43. Additional standards and provisions affecting class 103 licenses and certifications for commercial power.](/cfr/10/50.43.md)
- [§50.44. Combustible gas control for nuclear power reactors.](/cfr/10/50.44.md)
- [§50.45. Standards for construction permits, operating licenses, and combined licenses.](/cfr/10/50.45.md)
- [§50.46. Acceptance criteria for emergency core cooling systems for light-water nuclear power reactors.](/cfr/10/50.46.md)
- [§50.46a. Acceptance criteria for reactor coolant system venting systems.](/cfr/10/50.46a.md)
- [§50.47. Emergency plans.](/cfr/10/50.47.md)
- [§50.48. Fire protection.](/cfr/10/50.48.md)
- [§50.49. Environmental qualification of electric equipment important to safety for nuclear power plants.](/cfr/10/50.49.md)
- [§50.50. Issuance of licenses and construction permits.](/cfr/10/50.50.md)
- [§50.51. Continuation of license.](/cfr/10/50.51.md)
- [§50.52. Combining licenses.](/cfr/10/50.52.md)
- [§50.53. Jurisdictional limitations.](/cfr/10/50.53.md)
- [§50.54. Conditions of licenses.](/cfr/10/50.54.md)
- [§50.55. Conditions of construction permits, early site permits, combined licenses, and manufacturing licenses.](/cfr/10/50.55.md)
- [§50.55a. Codes and standards.](/cfr/10/50.55a.md)
- [§50.56. Conversion of construction permit to license; or amendment of license.](/cfr/10/50.56.md)
- [§50.57. Issuance of operating license. 1](/cfr/10/50.57.md)
- [§50.58. Hearings and report of the Advisory Committee on Reactor Safeguards.](/cfr/10/50.58.md)
- [§50.59. Changes, tests, and experiments.](/cfr/10/50.59.md)
- [§50.60. Acceptance criteria for fracture prevention measures for lightwater nuclear power reactors for normal operation.](/cfr/10/50.60.md)
- [§50.61. Fracture toughness requirements for protection against pressurized thermal shock events.](/cfr/10/50.61.md)
- [§50.61a. Alternate fracture toughness requirements for protection against pressurized thermal shock events.](/cfr/10/50.61a.md)
- [§50.62. Requirements for reduction of risk from anticipated transients without scram (ATWS) events for light-water-cooled nuclear power plants.](/cfr/10/50.62.md)
- [§50.63. Loss of all alternating current power.](/cfr/10/50.63.md)
- [§50.64. Limitations on the use of highly enriched uranium (HEU) in domestic non-power reactors.](/cfr/10/50.64.md)
- [§50.65. Requirements for monitoring the effectiveness of maintenance at nuclear power plants.](/cfr/10/50.65.md)
- [§50.66. Requirements for thermal annealing of the reactor pressure vessel.](/cfr/10/50.66.md)
- [§50.67. Accident source term.](/cfr/10/50.67.md)
- [§50.68. Criticality accident requirements.](/cfr/10/50.68.md)
- [§50.69. Risk-informed categorization and treatment of structures, systems and components for nuclear power reactors.](/cfr/10/50.69.md)
- [§50.70. Inspections.](/cfr/10/50.70.md)
- [§50.71. Maintenance of records, making of reports.](/cfr/10/50.71.md)
- [§50.72. Immediate notification requirements for operating nuclear power reactors.](/cfr/10/50.72.md)
- [§50.73. Licensee event report system.](/cfr/10/50.73.md)
- [§50.74. Notification of change in operator or senior operator status.](/cfr/10/50.74.md)
- [§50.75. Reporting and recordkeeping for decommissioning planning.](/cfr/10/50.75.md)
- [§50.76. Licensee's change of status; financial qualifications.](/cfr/10/50.76.md)
- [§50.78. Facility information and verification.](/cfr/10/50.78.md)
- [§50.80. Transfer of licenses.](/cfr/10/50.80.md)
- [§50.81. Creditor regulations.](/cfr/10/50.81.md)
- [§50.82. Termination of license.](/cfr/10/50.82.md)
- [§50.83. Release of part of a power reactor facility or site for unrestricted use.](/cfr/10/50.83.md)
- [§50.90. Application for amendment of license, construction permit, or early site permit.](/cfr/10/50.90.md)
- [§50.91. Notice for public comment; State consultation.](/cfr/10/50.91.md)
- [§50.92. Issuance of amendment.](/cfr/10/50.92.md)
- [§50.100. Revocation, suspension, modification of licenses, permits, and approvals for cause.](/cfr/10/50.100.md)
- [§50.101. Retaking possession of special nuclear material.](/cfr/10/50.101.md)
- [§50.102. Commission order for operation after revocation.](/cfr/10/50.102.md)
- [§50.103. Suspension and operation in war or national emergency.](/cfr/10/50.103.md)
- [§50.109. Backfitting.](/cfr/10/50.109.md)
- [§50.110. Violations.](/cfr/10/50.110.md)
- [§50.111. Criminal penalties.](/cfr/10/50.111.md)
- [§50.120. Training and qualification of nuclear power plant personnel.](/cfr/10/50.120.md)
- [§50.135. Renewal of non-power production or utilization facility licenses issued under § 50.22 and testing facility licenses.](/cfr/10/50.135.md)
- [§50.150. Aircraft impact assessment.](/cfr/10/50.150.md)
- [§50.155. Mitigation of beyond-design-basis events.](/cfr/10/50.155.md)
- [§50.160. Emergency preparedness for small modular reactors, non-light-water reactors, and non-power production or utilization facilities.](/cfr/10/50.160.md)