 The county prefects and city and municipal mayors are elected to four @-@ year terms by majority of votes cast within applicable local government units . A runoff election is held if no candidate achieves a majority in the first round of voting . Members of county , city , and municipal councils are elected to four @-@ year terms through proportional representation ; the entire local government unit forms a single constituency . The number of council members is defined by the councils themselves based on applicable legislation . Electoral committees are then tasked with determining whether the national minorities are represented in the council as required by the constitution . If the minorities are not represented , further members , who belong to the minorities and who have not been elected through the proportional representation system , are selected from electoral candidate lists and added to the council . 
