 "The members of the city council shall serve for terms of four years and until the respective successors are elected and qualified.The term of office of each member of the city council shall begin on the first day of January immediately following the election of such member unless general law authorizes or requires the term to begin at the first organizational meeting in January or upon some other date.No person shall be eligible to serve as mayor or councilmember unless that person shall have been a resident of the city for 12 months prior to the date of the election of mayor or members of the city council; each shall continue to reside therein during that person´s period of service and to be registered and qualified to vote in municipal elections of this city.The mayor and councilmembers shall be elected by plurality vote as provided in Section 5.13 of this charter."