Ohio Rev. Code § 4737.03: Not to deal with minors - nor at certain hours.

No person shall purchase or receive by sale, barter, exchange, or otherwise, an article mentioned in sections 4737.01 to 4737.03, inclusive, of the Revised Code, of a minor or apprentice, knowing or having reason to believe him to be such, or from any person between the hours of nine p.m. and seven a.m.