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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 10
Chapter I
Part 63
Subpart A - Subpart A—General Provisions
§ 63.1 - Purpose and scope.
§ 63.2 - Definitions.
§ 63.3 - License required.
§ 63.4 - Communications and records.
§ 63.5 - Interpretations.
§ 63.6 - Exemptions.
§ 63.7 - License not required for certain preliminary activities.
§ 63.8 - Information collection requirements: OMB approval.
§ 63.9 - Employee protection.
§ 63.10 - Completeness and accuracy of information.
§ 63.11 - Deliberate misconduct.
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