If a violation of this chapter is a violation of the federal drug abuse control laws, as defined in section 3719.01 of the Revised Code, a conviction or acquittal under the federal drug abuse control laws for the same act is a bar to prosecution in this state.
Conviction or acquittal under federal drug abuse control laws bar to state prosecution
Ohio Rev. Code Ann. § 2925.50, under Chapter 2925 | Drug Offenses.
Ohio Rev. Code Ann. § 2925.50