Ohio Rev. Code Ann. § 145.113
(A) Except as provided in division (B) of this section, a fiduciary shall not cause the public employees retirement system to engage in a transaction, if he knows or should know that such transaction constitutes a direct or indirect:
(B) Nothing in this section shall prohibit any transaction between the public employees retirement system and any fiduciary or party in interest if:
(C) A fiduciary shall not:
(D) In addition to any liability which he may have under any other provision, a fiduciary with respect to the system shall be liable for a breach of fiduciary responsibility of any fiduciary with respect to the system in the following circumstances: