Regulations last checked for updates: Oct 02, 2025

Title 49 - Transportation last revised: Sep 29, 2025
All TitlesTitle 49Chapter IIPart 229Appendix Appendix H - Appendix H to Part 229—Static Noise Test Protocols—In-Cab Static
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authority: 49 U.S.C. 20103,20107,20133,20137,20143,20168,20701,21301,21304; 28 U.S.C. 2461 note; and 49 CFR 1.89
source: 45 FR 21109, Mar. 31, 1980, unless otherwise noted.
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