Ohio Rev. Code Ann. § 4506.06 – Issuance of temporary instruction permit

(A) The registrar of motor vehicles, upon receiving an application for a commercial driver's license temporary instruction permit, may issue the permit to any person who is at least eighteen years of age and holds a valid driver's license, other than a restricted license, issued under Chapter 4507. of the Revised Code. The registrar shall not issue a commercial driver's license temporary instruction permit for a period exceeding six months. The registrar shall grant only one renewal of such a permit in a two-year period. A commercial driver's license temporary instruction permit is a prerequisite to the initial issuance of a commercial driver's license and the upgrade of a commercial driver's license if the upgrade requires a skills test.
(B) The holder of a commercial driver's license temporary instruction permit, unless otherwise disqualified, may drive a commercial motor vehicle only when the holder has the permit in the holder's actual possession and is accompanied by a person who:
1. (1) Holds a valid commercial driver's license and all necessary endorsements for the type of vehicle being driven;
2. (2) Occupies a seat beside the permit holder for the purpose of giving instruction in driving the motor vehicle; and
3. (3) Has the permit holder under observation and direct supervision.
(C) Whoever violates this section is guilty of a misdemeanor of the first degree.