The grounds for forfeiture of the office of a Council Member are the following:
(a) The Council Member is absent, without the consent of the City Council, from all regular City Council meetings for a period of 60 consecutive days from and after the last regular City Council meeting attended by such Council Member;
(b) The Council Member is convicted of a felony or a crime involving moral turpitude; or
(c) The Council Member ceases to be a resident and lawfully registered voter of the City.
After the occurrence of any of the foregoing events, the office of the Council Member shall be declared vacant by the City Council by a vote of at least three of its members. At the request of the affected Council Member, the City Council shall hold a public hearing before declaring the office vacant.