Ohio Rev. Code § 5920.04: Exemption from military service.

Sections 5920.01 to 5920.11 of the Revised Code do not authorize the Ohio military reserve, or any part thereof, to be called or ordered as such into the military service of the United States. The military reserve may become a component of the Ohio national guard and subject to the regulations of the secretary of defense of the United States. The governor may consent to the employment of not more than one half of the military reserve to assist in areas adjacent to the borders of the state. No person shall, by reason of his enlistment or commission in the military reserve, be exempt from military service under any law of the United States.