Ohio Rev. Code § 1547.10
In case of accident to or collision with persons or property on the waters of this state, due to the operation of any vessel, the operator having knowledge of the accident or collision shall immediately stop the vessel at the scene of the accident or collision, to the extent that it is safe and practical, and shall remain at the scene of the accident or collision until he has given his name and address and, if he is not the owner, the name and address of the owner of the vessel, together with the registration number of the vessel, if any, to any person injured in the accident or collision or to the operator, occupant, owner, or attendant of any vessel damaged in the accident or collision, or to any law enforcement officer at the scene of the accident or collision.
If the injured person is unable to comprehend and record the information required to be given by this section, the other operator involved in the accident or collision shall forthwith notify the nearest law enforcement agency having authority concerning the location of the accident or collision, and his name, address, and the registration number, if any, of the vessel he was operating, and then remain at the scene of the accident or collision or at the nearest location from which notification is possible until a law enforcement officer arrives, unless removed from the scene by an emergency vehicle operated by the state or a political subdivision or by an ambulance.
If the accident or collision is with an unoccupied or unattended vessel, the operator so colliding with the vessel shall securely attach the information required to be given in this section, in writing, to a conspicuous place in or on the unoccupied or unattended vessel.
R.C. §1547.10