Ohio Rev. Code § 9.317: Purchase of supplies or services by reverse auction.

As used in this section, "reverse auction" has the meaning defined in section 9.314 of the Revised Code, and "state agency" has the meaning defined in section 9.23 of the Revised Code.

A state agency shall not purchase supplies or services by reverse auction if the contract concerns the design, construction, alteration, repair, reconstruction, or demolition of a building, highway, road, street, alley, drainage system, water system, waterworks, ditch, sewer, sewage disposal plant, or any other structure or works of any kind.