All previously created urban areas, special improvement districts and special taxing areas in the County shall be merged and consolidated in the urban area created in this Division. All services, functions or improvements that have been established, created or provided in any urban area, special taxing area or special improvement district are transferred to the urban area created under this Division. Upon the merger, consolidation and transfer of such urban areas, special improvement districts and special taxing areas, the services, functions or improvements therein shall continue. Any obligations and assessments shall remain in full force and effect and shall come under the provisions of this Division.