U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 49Chapter APart 40Subpart M - Subpart M—Alcohol Confirmation Tests
§ 40.251 - What are the first steps in an alcohol confirmation test?
§ 40.253 - What are the procedures for conducting an alcohol confirmation test?
§ 40.255 - What happens next after the alcohol confirmation test result?
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