Ohio Rev. Code Ann. § 3715.05
(A) As used in this section and sections 3715.051 to 3715.054 and 3715.06 of the Revised Code:
(B) A retailer or terminal distributor of dangerous drugs that sells, offers to sell, holds for sale, delivers, or otherwise provides a pseudoephedrine product or ephedrine product to the public shall do all of the following:
(2) With regard to each time a pseudoephedrine product or ephedrine product is sold or otherwise provided without a valid prescription:
(b) Using any information available, including information from the national precursor log exchange if the information is accessible, make a reasonable attempt to ensure that no individual purchases or receives an amount of pseudoephedrine product or ephedrine product that is greater than either of the following: