503.04  CONSUMPTION IN MOTOR VEHICLE.
   (a)   No person shall consume any beer or intoxicating liquor in a motor vehicle.  This section does not apply to persons described in Ohio R.C. 4301.62(D) or a substantially equivalent municipal ordinance.
(ORC 4301.64)
   (b)   Whoever violates this section is guilty of a misdemeanor of the fourth degree.  If an offender who violates this section was under the age of 18 years at the time of the offense, the court, in addition to any other penalties it imposes upon the offender, shall suspend the offender's temporary instruction permit, probationary driver's license or driver's license for a period of not less than six months and not more than one year.  If the offender is 15 years and 6 months of age or older and has not been issued a temporary instruction permit or probationary driver's license, the offender shall not be eligible to be issued such a license or permit for a period of six months.  If the offender has not attained the age of 15 years and 6 months, the offender shall not be eligible to be issued a temporary instruction permit until the offender attains the age of 16 years.
(ORC 4301.99(B))