<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The Republic of South Africa is a parliamentary republic with three - tier system of government and an independent judiciary, operating in a parliamentary system . Legislative authority is held by the Parliament of South Africa . Executive authority is vested in the President of South Africa who is head of state and head of government, and his Cabinet . The President is elected by the Parliament to serve a fixed term . South Africa's government differs greatly from those of other Commonwealth nations . The national, provincial and local levels of government all have legislative and executive authority in their own spheres, and are defined in the South African Constitution as "distinctive, interdependent and interrelated". </P> <P> Operating at both national and provincial levels ("spheres") are advisory bodies drawn from South Africa's traditional leaders . It is a stated intention in the Constitution that the country be run on a system of co-operative governance . </P>

What type of government exists in south africa
find me the text answering this question