Ohio Revised Code Title XXXIX. Insurance § 3941.31

The superintendent of insurance shall collect and pay over to the depositing company the principal and interest on securities deposited in compliance with section 3941.30 of the Revised Code as they mature, but before receiving the proceeds of the principal sum of any deposited security, the company shall substitute securities of the required character equal in amount to those maturing.

The depositing company at any time may exchange for any securities deposited other securities of like character which shall be deposited and handled in all respects as the original deposit.