Ohio Rev. Code § 5505.08
Except as provided in Chapter 5505. of the Revised Code, no trustees and no employee of the state highway patrol retirement board shall have any interest, direct or indirect, in the gains or profits of any investment made by the board, nor as such, directly or indirectly, receive any pay or emolument for his services. No trustees or employee of the board, directly or indirectly, for himself or as an agent or partner or others, shall borrow any of its funds or deposits or in any manner use the same except to make such current and necessary payments as are authorized by the board; nor shall any member or employee of the board be an indorser or surety or be in any manner an obligor for moneys loaned by or borrowed by the board.
The state highway patrol retirement system shall make no investments through, purchases from, or otherwise do any business with any individual who is, or any person who within the preceding three years was employed by, a board member of, or an officer of the system, partnership, association, or corporation that is owned or controlled by, a person, who within the preceding three years was employed by, a board member of, or an officer of the system, holds a fiduciary, administrative, supervisory, or trust position, or any other position in which such person would be involved, on behalf of his employer, in decisions or recommendations affecting the investment policy of the system, and in which such person would benefit by any monetary gain.
R.C. §5505.08