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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 14
Chapter I
Part 137
Subpart B - Subpart B—Certification Rules
§ 137.11 - Certificate required.
§ 137.15 - Application for certificate.
§ 137.17 - Amendment of certificate.
§ 137.19 - Certification requirements.
§ 137.21 - Duration of certificate.
§ 137.23 - Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances.
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