U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 33Chapter IPart 67Subpart 67.10 - Subpart 67.10—General Requirements for Sound signals
§ 67.10-1 - Apparatus requirements.
§ 67.10-5 - Location requirements.
§ 67.10-10 - Operating requirements.
§ 67.10-15 - Approval of sound signals.
§ 67.10-20 - Sound signal tests.
§ 67.10-25 - Application for tests.
§ 67.10-30 - Withdrawal of approval.
§ 67.10-35 - Notice of approval and withdrawal of approval.
§ 67.10-40 - Sound signals authorized for use prior to January 1, 1973.
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