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18 U.S.C. § 343

Title 18 Chapter 17 Current through PL 116-220 ~1 min read Last updated: March 30, 2026 View on OLRC →
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§ 343. Presumptions

For purposes of this chapter—

  • (1) an individual with a blood alcohol content of .10 percent or more shall be presumed to be under the influence of alcohol; and
  • (2) an individual shall be presumed to be under the influence of drugs if the quantity of the drug in the system of the individual would be sufficient to impair the perception, mental processes, or motor functions of the average individual.

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