 During the 1970s and early 1980s, the Immigration Division and Department of Labour was tasked with managing various issues including Pacific Islander overstayers and refugees from Vietnam and Cambodia.In response, the Department of Labour established a work permit scheme for Tongan, Fijian and Samoan migrants in 1975.The Immigration Division also established a resettlement unit to manage the resettlement of Indochinese refugees in New Zealand.