Ohio Revised Code Title XXXIII. Education Libraries § 3313.33

(A) Conveyances made by a board of education shall be executed by the president and treasurer thereof.

(B) Except as provided in division (C) of this section, no member of the board shall have, directly or indirectly, any pecuniary interest in any contract of the board or be employed in any manner for compensation by the board of which the person is a member. No contract shall be binding upon any board unless it is made or authorized at a regular or special meeting of such board.

(C) A member of the board may have a pecuniary interest in a contract of the board if all of the following apply:

(D) This section does not apply where a member of the board, being a shareholder of a corporation but not being an officer or director thereof, owns not in excess of five per cent of the stock of such corporation. If a stockholder desires to avail self of the exception, before entering upon such contract such person shall first file with the treasurer an affidavit stating the stockholder's exact status and connection with said corporation.

This section does not apply where a member of the board elects to be covered by a health care plan under section 3313.202 of the Revised Code.