Court: Court

Year: 1977

Principle(s): 1. Natural justice rules: right to be notified and heard before a matter in dispute is decided (Audi alteram partem). Nobody can be a judge in his own cause (Nemo judex in causa sua). 2. Certiorari will lie to quash a decision made contrary to natural justice rules.

Court: Court

Year: 1967

Principle(s): 1. Acting in excess of the powers conferred is ultra vires the instrument conferring the powers. 2. A certiorari will lie to quash acts done in excess of the powers conferred. 3. There is a natural justice rule that an accused should be given a hearing.