The Council shall appoint a Police Chief who shall be responsible to the City Manager and shall hold office at the pleasure of the Council. To be eligible for appointment, a candidate shall demonstrate appropriate certification, training, and experience to successfully discharge the duties of the position as determined by State law and the City Council. During the absence or disability of the Police Chief or a vacancy in that office, the Council shall designate as Acting Chief some properly qualified person to execute the functions of that office until the Chief is again available for work or a new one is chosen.