(1)  No order which prejudicially affects any person shall be made by the Controller under this Act without giving him a reasonable opportunity of showing cause against the order proposed to be made and until his objections, if any, and any evidence he may produce in support of the same have been considered by the Controller.

   (2)  Subject to any rules that may be made under this Act, the Controller shall, while holding an inquiry in any proceeding before him, follow as far as may be the practice and procedure of a Court of Small Causes, including the recording of evidence.

   (3)  In all proceedings before him, the Controller shall consider the question of costs and award such costs to or against any party as the Controller considers reasonable.