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The Constitution Act, 1867 (formerly called the British North America Act, 1867, and still known informally as the BNA Act), constitutes a major part of Canada's Constitution. The Act entails the original creation of a federal dominion and defines much of the operation of the Government of Canada, including its federal structure, the House of Commons, the Senate, the justice system, and the taxation system. It received its current name in 1982, with the patriation of the constitution (having originally been enacted by the British Parliament). Amendments were also made at this time: section 92A was added, giving provinces greater control over non-renewable natural resources.