Here is what law says:
No underage person shall knowingly order, pay for, share the cost of, attempt to purchase, possess, or consume any beer or intoxicating liquor in any public or private place. No underage person shall knowingly be under the influence of any beer or intoxicating liquor in any public place. The prohibitions set forth in division (E)(1) of this section against an underage person shall not apply if the underage person is accompanied by a parent, spouse who is not an underage person, or legal guardian, or the beer or intoxicating liquor is given by a physician in the regular line of the physician's practice or given for established religious purposes.