(1) Subject to this section, in proceedings before the Court under this Act, a party ¾

(a) may appear personally or by his agent; or

(b) may be represented by a legal practitioner.

(2) In this section, }party~ includes an intervener.

(3) A person who is not a legal practitioner within the meaning of this Act but engages in the practice of the law outside the State shall not appear as agent in proceedings before the Court.