381.21 CHILDREN UNDER TEN MUST WEAR APPROPRIATE SIZE PERSONAL FLOTATION DEVICE.
   No person shall operate or permit to be operated any vessel under eighteen feet in length while there is present in the vessel any person under ten years of age, not wearing a United States Coast Guard approved type, one, two or three personal flotation device in good and serviceable condition of appropriate size securely attached to the person under ten years of age.
(ORC 1647.24)