If only a single Governor and Lieutenant Governor unit files for the nomination of a political party, and the candidate for Governor dies, withdraws the candidacy, or is disqualified for any reason after the filing deadline specified under § 5–303 of this title, the remaining candidate for Lieutenant Governor is disqualified. In the event of a vacancy in nomination under subsection (a) of this section, the State central committee of the political party to which the candidates belong shall select a successor candidate for Governor. The State central committee shall make its selection by the 10th day following the death, withdrawal, or disqualification of the gubernatorial candidate. The candidate disqualified for the office of Lieutenant Governor under subsection (a) of this section is eligible to be chosen as the successor candidate for Governor. The successor candidate for Governor selected by the State central committee under subsection (b) of this section promptly shall select a successor candidate for Lieutenant Governor. If the former candidate for Lieutenant Governor is not selected as the successor candidate for Governor, that individual is eligible to be selected again as the candidate for Lieutenant Governor. By the deadline date specified under subsection (b)(2) of this section for the selection of the successor candidate for Governor by the appropriate State central committee, in accordance with Subtitle 3 of this title: the State central committee making the selection shall file a certificate of designation for those offices with the State Board for: its successor candidate for Governor; and the successor candidate for Lieutenant Governor designated under subsection (c)(1) of this section; and the successor candidates for Governor and Lieutenant Governor each shall file a certificate of candidacy for those offices with the State Board.