The Central Student Judiciary is the judicial branch of the Central Student Government. It is composed of nine justices, has a chief justice and no more than four justices can be from the same school or college. Per the all-campus constitution, "The Central Student Judiciary may hear appeals from inferior courts, challenges under this Constitution and the Compiled Code, Central Student Government elections, and any other case they deem appropriate."
This is the all-campus constitution: https://csg.umich.edu/files/files/csg_constitution.pdf
As of the beginning of 2011, this is the CSJ Manual of Procedure: https://docs.google.com/file/d/0ByF48M5f6IrAV0tnMUtsaDVqc1k/edit