Generally their status is regulated by the Law on the System of Common Courts of Jul. 27, 2001, but there are also assistants in the administrative courts, the Supreme Court of Poland, and the Constitutional Tribunal, where special regulations may apply. They are recruited in a competitive process with three phases: the application itself, a test of legal knowledge, and an interview. Only law graduates who are Polish citizens of good character and are above 24 years old can apply for a post in common courts. Similar requirements pertain to the administrative courts, except there is no express provision on age.