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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
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Title 33
Chapter I
Part 81 - PART 81—72 COLREGS: IMPLEMENTING RULES
ALTERNATIVE COMPLIANCE
§ 81.5 - Application for a Certificate of Alternative Compliance.
§ 81.9 - Certificate of Alternative Compliance: Contents.
§ 81.17 - Certificate of Alternative Compliance: Termination.
§ 81.18 - Notice and record of certification of vessels of special construction or purpose.
§ 81.1 - Definitions.
§ 81.3 - General.
EXEMPTIONS
§ 81.20 - Lights and sound signal appliances.
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