§ 138.09  FEDERAL PROSECUTION BAR TO MUNICIPAL PROSECUTION.
   No person shall be prosecuted for a violation of this chapter if the person has been acquitted or convicted under the federal drug abuse control laws of the same act or omission which, it is alleged, constitutes a violation of this chapter.
(R.C. §§ 2925.50, 3719.19) ('91 Code § 138.09)