When the Mayor is absent or inaccessible or is unable for any cause or reason to perform his duties, the President of Council shall become the acting Mayor, but he shall not thereby cease to be President of Council.
In the event the office of Mayor shall become vacant for any reason, the President of Council shall thereupon become the Mayor, and serve for the unexpired term or until the beginning of the term of a successor duly elected as hereinafter provided, and his office as
President of Council shall become vacant.
In the event the President of Council shall be absent or inaccessible or for any reason unable to perform his duties as acting Mayor, the President Pro Tem shall accept this responsibility.
In the event the office of Mayor shall become vacant, a successor for the unexpired term shall be elected as Mayor at the next regular municipal election, provided that
(1) such election shall occur more than two (2) years prior to the expiration of the unexpired term, and
(2) the vacancy shall have occurred more than one hundred-twenty (120) days prior to such election.
A President of Council or a councilman who has become Mayor pursuant to the paragraphs above, may be a candidate to succeed himself.