The form of government determines how to choose investigating unconstitutional act. Parliament supremacy in England decides that only Parliament can investigate unconstitutional act; separation of powers in America decides that the court can investigate unconstitutional act; "compatible body" like France decides that special organization investigate unconstitutional act. Different system decides whether a country can apply to investigate unconstitutional act and how to apply to investigate unconstitutional act. From West constitutionalism, we can draw experience about investigating unconstitutional act. |