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King-in-Parliament

Legal concept in the Westminster system

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  • 4 chapters

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Through Parliament, Sovereignty and Bill (law)

Parliamentary sovereignty is a concept in the constitutional law of Westminster systems that holds that parliament has absolute sovereignty and is supreme over all other government institutions. The King-in-Parliament as a composite body (that is, parliament) exercises this legislative authority.

Bills passed by the houses are sent to the sovereign or their representative (such as the governor-general, lieutenant-governor, or governor), for royal assent in order to enact them into law as acts of Parliament. An Act may also provide for secondary legislation, which can be made by executive officers of the Crown such as through an order in council.

Fusion of powers

The concept of the Crown as a part of parliament is related to the idea of the fusion of powers, meaning that the executive branch and legislative branch of government are fused together. This is a key concept of the Westminster system of government, developed in England and used in countries in the Commonwealth of Nations and beyond. It is in contradistinction to the idea of the separation of powers.

In Commonwealth realms that are federations, the concept of the King in parliament applies within that specific parliament only, as each sub-national parliament is considered separate and distinct from each other and from the federal parliaments (such as Australian states or the Canadian provinces).

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