Ohio Revised Code Title XXXIX. Insurance § 3935.02

(A) To reinsurance, other than joint reinsurance to the extent stated in section 3935.13 of the Revised Code;

(B) To insurance of vessels or craft, their cargoes, marine builders' risks, marine protection and indemnity, or other risks commonly insured under marine, as distinguished from inland marine, insurance policies;

(C) To insurance of hulls of aircraft, including their accessories and equipment, or against liability arising out of the ownership, maintenance, or use of aircraft;

(D) To motor vehicles insurance, or to insurance against liability arising out of the ownership, maintenance, or use of motor vehicles;

(E) To casualty insurance, including fidelity, surety, and guaranty bonds whether or not fire insurance companies may write such kinds of insurance.

If any kind of insurance, subdivision or combination thereof, or type of coverage, subject to sections 3935.01 to 3935.17, inclusive, of the Revised Code, is also subject to regulation by other rate-regulatory sections of the Revised Code, an insurer to which both laws are otherwise applicable shall file with the superintendent of insurance a designation as to which of said rate-regulatory sections are applicable to it with respect to such kind of insurance, subdivision or combination thereof, or type of coverage.