Ohio Rev. Code § 1547.051: Presenting proof of license.

A person born on or after January 1, 1982, who is operating on the waters in this state a powercraft powered by more than ten horsepower and who is stopped by a law enforcement officer in the enforcement of Chapter 1547. of the Revised Code or rules shall present to the law enforcement officer, not later than seventy-two hours after being stopped, a certificate obtained by the person pursuant to section 1547.05 of the Revised Code prior to being stopped or proof of holding such a certificate. Failure of the person to present the certificate or proof of holding it within seventy-two hours constitutes prima-facie evidence of a violation of section 1547.05 of the Revised Code.