Ohio Revised Code Title LIX. Veterans Military Affairs § 5919.17

(A) An enlisted person discharged from service in the Ohio national guard shall receive a discharge, in writing, in the form and with the characterization prescribed by the army or air force. In time of peace, discharges may be given before the expiration of terms of enlistment, under prescribed regulations, subject to any restrictions contained in publications of the department of the army or air force and the national guard bureau.

(B) On termination of an emergency in which personnel of the Ohio national guard have been called or ordered into federal service by the president of the United States according to the laws of the United States, those persons shall continue to serve in the Ohio national guard until the dates upon which their service obligations entered into before the call or order into the federal service would have expired if uninterrupted.