§ 343. — Presumptions.
[Laws in effect as of January 7, 2003]
[Document not affected by Public Laws enacted between
January 7, 2003 and December 19, 2003]
[CITE: 18USC343]
TITLE 18--CRIMES AND CRIMINAL PROCEDURE
PART I--CRIMES
CHAPTER 17A--COMMON CARRIER OPERATION UNDER THE INFLUENCE OF ALCOHOL OR
DRUGS
Sec. 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.
(Added Pub. L. 99-570, title I, Sec. 1971(a), Oct. 27, 1986, 100 Stat.
3207-59; amended Pub. L. 100-690, title VI, Sec. 6473(c), Nov. 18, 1988,
102 Stat. 4379.)
Amendments
1988--Par. (1). Pub. L. 100-690, Sec. 6473(c)(1), substituted ``.10
percent'' for ``.10'' and struck out ``conclusively'' after ``shall
be''.
Par. (2). Pub. L. 100-690, Sec. 6473(c)(2), struck out
``conclusively'' after ``shall be''.
