Ohio Rev. Code § 3719.33
No person shall sell or deliver to another a substance named in section 3719.32 of the Revised Code without having first learned by due inquiry that such person is aware of the poisonous character of such substance and that it is desired for a lawful purpose; or without plainly labeling "poison," and the names of two or more antidotes therefor, upon the box, bottle, or package containing it; or deliver such substance without recording in a book kept for the purpose, the name thereof, the quantity delivered, the purpose for which it is alleged to be used, the date of its delivery, the name and address of the purchaser, and the name of the dispenser; or fail to preserve said book for five years and submit it at all times for inspection to proper officers of the law.
R.C. §3719.33