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Article V

Section 8. Secretary of state, when governor

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(1) If there is a vacancy in the office of lieutenant governor and the governor dies, resigns or is removed from office, the secretary of state shall become governor for the balance of the unexpired term.
(2) If there is a vacancy in the office of lieutenant governor and the governor is absent from this state, impeached, or from mental or physical disease becomes incapable of performing the duties of the office, the secretary of state shall serve as acting governor for the balance of the unexpired term or until the governor returns, the disability ceases or the impeachment is vacated.

The lieutenant-governor shall be president of the senate, but shall have only a casting vote therein. If during a vacancy in the office of governor, the lieutenant governor shall be impeached, displaced, resign, die, or from mental or physical disease become incapable of performing the duties of his office, or be absent from the State, the secretary of state shall act as governor until the vacancy shall be filled, or the disability shall cease.