UCR hosts over 375 registered student organizations, including the Associated Students of the University of California, Riverside (ASUCR), which represents undergraduates on administrative and policy issues. ASUCR is guided by a Senate composed of 16 elected senators, who represent the three undergraduate colleges in proportion to their enrollment, 5 Executive Cabinet Officers (President, Executive Vice President, Vice President of Campus Internal Affairs, Vice President of External Affairs, and Vice President of Finance), and 6 Directors, who are in charge of the various parts of ASUCR, and a Judicial Council of 6, which adjudicates any cases involving personnel misconduct or interpretation of the Constitution. Membership is composed of all UCR students who pay mandatory activity fees. ASUCR assesses these fees and distributes funds to registered student groups on campus, including student lobbying groups, a right that ASUCR won in a federal court case against the Regents in 1999.