Ohio Rev. Code § 3999.18: Requiring valid certificate of authority.

(A) No person shall establish, operate, or maintain any entity that delivers, issues for delivery, or renews any policy of sickness and accident insurance or contract for health care services in this state if the entity is required to, but does not, have a valid certificate of authority under Chapter 1751. or Title XXXIX of the Revised Code.

(B) No insurance agent, broker, or other person shall advertise, solicit, negotiate, collect a premium on, or sell any policy of sickness and accident insurance or contract for health care services in this state unless the entity that delivers, issues for delivery, or renews the policy or contract is subject to and has complied with division (A) of this section.