As one may not take both itemized deductions and a standard deduction, taxpayers generally choose the deduction that results in the lesser amount of tax owed.
Brazil is a federal presidential constitutional republic, based on representative democracy. The federal government has three independent branches: executive, legislative, and judicial. Executive power is exercised by the executive branch, headed by the President, advised by a Cabinet.
The politics of Brazil take place in a framework of a federal presidential representative democratic republic, whereby the President is both head of state and head of government, and of a multi-party system.