Unless otherwise provided, all notices sent to an insurer by the superintendent of insurance that may result in regulatory action under sections 3903.81 to 3903.93 of the Revised Code shall be effective upon dispatch if transmitted by registered or certified mail. Any other notice transmitted shall be effective upon the insurer's receipt of the notice.
Effectiveness of notice
Ohio Rev. Code Ann. § 3903.89, under Chapter 3903 | Reserve Valuation; Rehabilitation And Liquidation.
Ohio Rev. Code Ann. § 3903.89