Ohio Rev. Code Ann. § 1547.25
(A) No person shall operate or permit to be operated any vessel, other than a vessel exempted by rules, on the waters in this state:
(B) No person shall operate or permit to be operated any commercial vessel on the waters in this state:
(2) That is carrying persons for hire or is forty feet in length or longer and is not carrying persons for hire without carrying aboard at least one wearable personal flotation device for each person aboard that complies with all of the following:
(D) A personal flotation device shall not be used in a manner that is inconsistent with any limitations or restrictions related to federal approval under 46 C.F.R. 160 or special instructions for use provided by the manufacturer. Appropriate use shall be indicated on the label of an approved personal flotation device with one or more of the following designations: