Ohio Rev. Code § 739.09: Deposit and withdrawal of funds.

All securities or evidence of debt held by the board of trustees of the sinking fund for the municipal corporation shall be deposited with the treasurer thereof, or with a safety deposit company within the municipal corporation, or, if none exists, then in a place of safety to be indicated or furnished by the legislative authority thereof, and when so deposited they shall be withdrawn only upon the application of three members and in the presence of at least two members of the city board, or upon the application and in the presence of at least two members of the village board.

Money shall be drawn by check only, which shall be signed by the president and at least two members of the board, and attested by the secretary or clerk.