The Northwest Territories Legislative Assembly, or Legislative Council of the Northwest Territories (with Northwest hyphenated as North-West until 1906), is the legislature and the seat of government of Northwest Territories in Canada. It is a unicameral elected body that creates and amends law in the Northwest Territories. Permanently located in Yellowknife since 1993, the assembly was founded in 1870 and became active in 1872 with the first appointments from the Government of Canada. Members of the Legislative Assembly are sworn in by the Commissioner of the Northwest Territories.