Ohio Rev. Code § 4923.07: Motor carrier reviews.

(A) The public utilities commission may, through the commission's inspectors or other authorized employees, enter in or upon the premises and motor vehicles of any motor carrier, or any person engaging in the transportation of hazardous material or hazardous waste, to examine any records, documents, or property for the purpose of assessing the safety, performance, and management controls associated with the carrier or person.

(B) The commission may adopt rules to carry out this section that are not incompatible with the requirements of the United States department of transportation.