Ga. Const. art. V, § 1, para. 5

(a) In case of the temporary disability of the Governor as determined in the manner provided in Section IV of this article, the Lieutenant Governor shall exercise the powers and duties of the Governor and receive the same compensation as the Governor until such time as the temporary disability of the Governor ends.

(b) In case of the death, resignation, or permanent disability of the Governor or the Governor-elect, the Lieutenant Governor or the Lieutenant Governor-elect, upon becoming the Lieutenant Governor, shall become the Governor until a successor shall be elected and qualified as hereinafter provided. A successor to serve for the unexpired term shall be elected at the next general election; but, if such death, resignation, or permanent disability shall occur within 30 days of the next general election or if the term will expire within 90 days after the next general election, the Lieutenant Governor shall become Governor for the unexpired term. No person shall be elected or appointed to the office of Lieutenant Governor for the unexpired term in the event the Lieutenant Governor shall become Governor as herein provided.

(c) In case of the death, resignation, or permanent disability of both the Governor or the Governor-elect and the Lieutenant Governor or the Lieutenant Governor-elect or in case of the death, resignation, or permanent disability of the Governor and there shall be no Lieutenant Governor, the Speaker of the House of Representatives shall exercise the powers and duties of the Governor until the election and qualification of a Governor at a special election, which shall be held within 90 days from the date on which the Speaker of the House of Representatives shall have assumed the powers and duties of the Governor, and the person elected shall serve out the unexpired term.