Ohio Rev. Code § 5729.09: Annual report required of chief officer.

The superintendent of insurance, annually and at such other times as he sees fit, shall require the president or other chief officer of each company or association to file a statement under oath showing the names of each fire insurance company or association with whom or for whom liability for insurance on property located wholly or partially in this state has been reinsured, disposed of, ceded, pooled, divided, or in any manner reduced or increased.