Ohio Revised Code Title I. State Government § 125.07

(1) The department shall advertise the intended purchases by notice posted for the benefit of competing persons producing or dealing in the supplies or services to be purchased. The notice may be in any electronic form the director of administrative services considers appropriate to sufficiently notify competing persons of the intended purchases.

(2) The notice required under this division shall include the time and place where bids will be accepted and opened, or, when bids are made in a reverse auction, the time when bids will be accepted; the conditions under which bids will be received; the terms of the proposed purchases; and an itemized list of the supplies or services to be purchased and the estimated quantities or amounts of them.

(3) The notice required under this division shall be posted the number of days preceding the day when the bids will be opened or accepted that the director determines sufficient to enable interested bidders to prepare their bids.