Ohio Rev. Code Ann. § 1547.543
(A) Any bona fide dealer in watercraft, or any manufacturer of watercraft, upon annual application to the division of parks and watercraft, may receive for each separate place of business a dealer or manufacturer registration certificate assigning a dealer number for use while operating watercraft on the waters in this state. A watercraft dealer, prospective purchaser, or third party operating the watercraft may use a registration certificate on a watercraft when any of the following occurs: