Kammala jumla mai zuwa: Dokar Yarjejeniyar Westminster Adoption 1947 (Dokar Jama'a ba 38 na 1947) doka ce ta tsarin mulki ta Majalisar New Zealand wacce ta yarda da cikakken ikon mallaka na waje da Majalisar Burtaniya ta bayar. Ta hanyar zartar da Dokar a ranar 25 ga Nuwamba 1947, New Zealand ta amince da Dokar Westminster 1931, Dokar Majalisar Dokokin Burtaniya wacce ta ba da cikakken matsayi na mulkin mallaka da kuma zama memba na Commonwealth ga Masarautun da suka amince da dokar. New Zealand ita ce Dominion ta ƙarshe da ta yi haka, kamar yadda Dominion na Newfoundland
sun zabi zama wani bangare na Kanada a shekarar 1948.