Ohio Rev. Code Ann. § 153.03
(A) As used in this section:
(B) A contracting authority shall not award a public improvement contract to a bidder, and a construction manager at risk or design-build firm shall not award a subcontract, unless the contract or subcontract contains both of the following:
(2) Terms that require the contractor or subcontractor to be enrolled in and be in good standing in the drug-free workplace program of the bureau of workers' compensation or a comparable program approved by the bureau that requires an employer to do all of the following:
(b) Conduct drug and alcohol tests on employees in accordance with division (B)(2)(c) of this section and under the following conditions:
(c) Use the following types of tests when conducting a test on an employee under the conditions described in division (B)(2)(b) of this section:
(E) A contracting authority shall include all of the following statements in the public improvement contract entered into between the contracting authority and a contractor for the public improvement: