 The Parti Municipal emerged from a split in mayor Raymond Renaud's governing Ralliement de Saint-Léonard (RdSL) party in May 1988, when Frank Zampino and seven other RdSL councillors resigned to sit as independents.Zampino's rebel group formed a majority on council and dominated its legislative activities for the next two years, even though Renaud continued to serve as mayor.Zampino formally created the Parti Municipal to contest the 1990 municipal election.