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This website publishes administrative rules on their effective dates, as designated by the adopting state agencies, colleges, and universities.

Rule 4501:1-1-16 | Alcohol and controlled substances.


"Alcoholic, or is addicted to the use of controlled substances to the extent that the use constitutes an impairment to the person's ability to operate a motor vehicle with the required degree of safety," as used in section 4507.08 of the Revised Code, means:

(A) Convicted three or more times within the immediately preceding three-year period of division (A) of section 4511.19 of the Revised Code or of a substantially similar municipal ordinance or of a statute of another state or of the United States; or

(B) Is convicted three or more times within a three-year period of any traffic violation where from the evidence presented, the trier of fact finds that alcohol or controlled substances were a contributing factor.

Last updated October 23, 2023 at 11:47 AM

Supplemental Information

Authorized By: 4501.02, 4507.01
Amplifies: 4507.08
Five Year Review Date: 8/1/2027
Prior Effective Dates: 5/2/1977, 2/1/1979, 2/26/1982, 4/20/1996, 3/24/2001, 8/13/2007