Ohio Revised Code Title XXXVII. Health Safety Morals § 3730.08

(1) That the individual obtaining a tattooing service, body piercing service, or ear piercing service performed with an ear piercing gun, at the time of so doing, exhibited to the operator or employee of the tattooing, body piercing, or ear piercing business a driver's or commercial driver's license or an identification card issued under sections 4507.50 to 4507.52 of the Revised Code showing that the individual was then at least age eighteen;

(2) That the operator or employee made a bona fide effort to ascertain the true age of the individual obtaining a tattooing, body piercing, or ear piercing service by checking the identification presented, at the time of the service, to ascertain that the description on the identification compared with the appearance of the individual and that the identification had not been altered in any way;

(3) That the operator or employee had reason to believe that the individual obtaining a tattooing, body piercing, or ear piercing service was at least age eighteen.