In exercising its functions under this Act, the tribunal must—
(a) seek to ensure the procedures of the tribunal—
(i) are as simple, quick, inexpensive and informal as is consistent with achieving justice; and
(ii) are implemented in a way that facilitates the resolution of the issues between the parties so that the cost to the parties and the tribunal is proportionate to the importance and complexity of the subject matter of the proceeding; and
(b) observe natural justice and procedural fairness.