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 type of government created by the Constitution is a representative democracy, known as a Republic. It also created the system of federalism, a sharing and dividing of powers between the states and the national government.