Palm Beach County; Provides that municipal service taxing unit whose primary purpose is to provide fire rescue & emergency medical services to residents in unincorporated areas of county remains service provider for specified length of time to real properties that are annexed into municipality; provides that geographical boundaries of municipal service taxing unit shall contract following annexation; prohibits Palm Beach County from levying ad valorem taxes through municipal service taxing unit on annexed real properties following annexation; requires annexing municipality to pay county annual service price for up to specified length of time; provides that county, through municipal service taxing unit, remains authority having jurisdiction & may continue to collect certain fees from annexed real properties; provides for transfer of services to annexing municipality & cessation of county jurisdiction to collect fees; provides circumstances under which such transfer & cessation may not occur; requires good faith discussions & negotiations between annexing municipality & county regarding transition of services & expenditure of assets for capital & operational purposes in areas proposed to be annexed; authorizes annexing municipality & county to enter into agreement on length of time for provision of county services, retention of county jurisdiction regarding fees, & annual service price payments; provides conflict resolution procedure in event annexing municipality & county do not enter interlocal agreement.