Ohio Rev. Code Ann. § 127.16
(B) Except as otherwise provided in this section, no state agency, using money that has been appropriated to it directly, shall:
(D) Nothing in division (B) of this section shall be construed as:
(E) When determining whether a state agency has reached the cumulative purchase thresholds established in divisions (B)(1) and (2) of this section, all of the following purchases by such agency shall not be considered: