Ohio Rev. Code Ann. § 145.51
(C) Unless the board adopts a rule under division (F) of this section establishing a different interest rate or penalty, interest and penalties for failing to pay the employer obligation when due under division (B) of this section shall be as follows:
(2) The penalty for failing to pay the employer obligation when due under division (B) is as follows:
(F) The board may adopt rules to do any of the following: