Ohio Rev. Code Ann. § 4506.01
As used in this chapter:
(A) "Alcohol concentration" means the concentration of alcohol in a person's blood, breath, or urine. When expressed as a percentage, it means grams of alcohol per the following:
(D) Except when used in section 4506.25 of the Revised Code, "commercial motor vehicle" means any motor vehicle designed or used to transport persons or property that meets any of the following qualifications:
(E) "Controlled substance" means all of the following:
(G) "Disqualification" means any of the following:
(H) "Downgrade" means any of the following, as applicable:
(X) "Medical variance" means one of the following received by a driver from the federal motor carrier safety administration that allows the driver to be issued a medical certificate:
(GG) "Serious traffic violation" means any of the following:
(3) A conviction arising from the operation of any motor vehicle that involves any of the following:
(II) "Tank vehicle" means any commercial motor vehicle that is designed to transport any liquid and has a maximum capacity greater than one hundred nineteen gallons or is designed to transport gaseous materials and has a water capacity greater than one thousand pounds within a tank that is either permanently or temporarily attached to the vehicle or its chassis. "Tank vehicle" does not include any of the following:
(KK) "Texting" means manually entering alphanumeric text into, or reading text from, an electronic device. Texting includes short message service, e-mail, instant messaging, a command or request to access a world wide web page, or engaging in any other form of electronic text retrieval or entry, for present or future communication. Texting does not include the following: