During the absence or disability of the mayor, the vice-chairman of the council shall act as mayor pro tempore. In case of a vacancy in the office of mayor, the vice-chairman of the council shall actas mayor until such vacancy is filled as provided in this Charter. During such absence, disability or vacancy, the powers and duties of the office of mayor shall devolve upon said vice-chairman.
While acting as mayor pro tempore during the absence or disability of the mayor, or as acting mayor during a vacancy, the vice-chairman shall be entitled to vote as mayor only, and not both as councilman and mayor.
Annotation--Under similar provision of 1883 Charter, it was held that when vice-chairman was acting in absence of mayor he could sign ordinances and such ordinances would be valid. City of Tucson v. Arizona Mortuary, 34 Ariz. 495, 272 Pac. 923.