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Regulations last checked for updates: Jun 13, 2025
Title 49 - Transportation last revised: Jun 06, 2025
All Titles
Title 49
Chapter I
Part 199 - PART 199—DRUG AND ALCOHOL TESTING
Subpart A [§ 199.1 - § 199.9] - Subpart A—General
Subpart B [§ 199.100 - § 199.119] - Subpart B—Drug Testing
Subpart C [§ 199.200 - § 199.245] - Subpart C—Alcohol Misuse Prevention Program
authority:
49 U.S.C. 5103
,
60102
,
60104
,
60108
,
60117
,
and
;
49 CFR 1.53
source:
53 FR 47096, Nov. 21, 1988, unless otherwise noted.
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