If a violation of this chapter is a violation of a federal law or the law of another state, the conviction or acquittal under federal law or the law of another state for the same act is a bar to prosecution in this state.
Iowa Code § 124.405
If a violation of this chapter is a violation of a federal law or the law of another state, the conviction or acquittal under federal law or the law of another state for the same act is a bar to prosecution in this state.
Iowa Code § 124.405