Wisconsin Statutes & Annotations
Chapter 961 - Uniform controlled substances act.
961.45 - Bar to prosecution.

961.45 Bar to prosecution. If a violation of this chapter is a violation of a federal law or the law of another state, a conviction or acquittal under federal law or the law of another state for the same act is a bar to prosecution in this state.
History: 1971 c. 219; 1995 a. 448 s. 272; Stats. 1995 s. 961.45.
Under this section, a “prosecution" is to be equated with a conviction or acquittal. The date on which a sentence is imposed is not relevant to the determination of whether a “prosecution" has occurred. State v. Petty, 201 Wis. 2d 337, 548 N.W.2d 817 (1996), 93-2200.
This section bars a Wisconsin prosecution under this chapter for the same conduct on which a prior federal conviction is based. The restriction is not limited to the same crime as defined by its statutory elements. State v. Hansen, 2001 WI 53, 243 Wis. 2d 328, 627 N.W.2d 195, 99-1128.
If a conspiracy involves multi-layered conduct, and all such conduct is part of the overarching common scheme, this section does not bar prosecution when some other part of the multi-layered conduct has resulted in a prosecution in some other jurisdiction. State v. Bautista, 2009 WI App 100, 320 Wis. 2d 582, 770 N.W.2d 744, 08-1692.

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