The source for the interim RUB was the operative Regional Policy Statement MUL, changes were provided by Spatial Infrastructure Strategy and endorsed by The Auckland Plan Committee.The boundary which defines the maximum extent of urban development to 2040 in the form of a permanent rural urban interface. It is defined around the following urban areas:metropolitan urban area of Auckland, Orewa and the urban areas of Waiheke Island and Whangaparaoa Peninsula the satellite towns of Pukehoke and Warkworth rural and coastal towns of Beachlands/Pine Harbour, Helensville, Kumeu-Huapai, Oneroa, Riverhead, Snells Beach/Algies Bay, Waiuku and Wellsford serviced villages.