Ohio Rev. Code § 5921.04
Commissioned officers and warrant officers of the Ohio naval militia shall be chosen, commissioned, and take rank as provided for the Ohio national guard, following the regulations and customs of the United States navy.
Commissioned officers and warrant officers of the Ohio naval militia shall take and subscribe to the following oath of office:
"I,____________________, do solemnly swear that I will support and defend the constitution of the United States and the constitution of the state of Ohio, against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I will obey the orders of the governor of the state of Ohio; that I make this obligation freely, without any mental reservation or purpose of evasion, and that I will well and faithfully discharge the duties of the office of __________________ in the Ohio naval militia upon which I am about to enter; and, I do solemnly swear that I do not advocate, nor am I a member of any political party or organization that advocates the overthrow of the government of the United States or of this state by force or violence, so help me God."
Every officer, before being commissioned shall take and subscribe to such oath within ten days after his appointment, and unless he does so he is deemed to have declined his office and the appointment shall be vacated.
All commissioned officers and warrant officers of the Ohio naval militia may administer oaths and affirmations in the discharge of any of the duties pertaining to their offices and in connection with the appointment of officers and the enlistment of members of the Ohio naval militia.
R.C. § 5921.04