The judiciary is made up of courts, judges and magistrates. They make decisions in cases that are referred to the courts based on the laws made by the legislature and carried out by the executive. These decisions then help to define how laws should be applied. The courts also ensure that laws made by the legislature do not go against the Constitution. The Constitutional Court has the power to declare a law invalid if the judges find that it goes against the Constitution. In this way, the judiciary acts as a watchdog over the legislature and the executive – and holds them accountable to the Constitution and the laws they have passed.
People can take cases to court if they believe the actions of the executive go against the law or the Constitution. In this way, the courts act as a check on the work of the executive.
The judiciary must be independent of the executive and the legislature. In this way it can make decisions that are fair, even if this goes against what the legislature and executive want. Cases are often between different spheres of government, e.g. a municipality and a province. The judiciary interprets law only and must apply it neutrally. An independent body called the Judicial Services Commission appoints judges so these judges are independent of the government in power.
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