(1) A party may be represented in proceedings by a legal practitioner.
(2) A person may be represented in proceedings by a person other than a legal practitioner if:
(a) the party is a body corporate and the representative is an officer or employee of the body corporate; or
(b) the party is a landlord and the representative is an agent appointed by the landlord to manage the premises on the landlord's behalf and the Commissioner is satisfied that it will not unfairly disadvantage an unrepresented party; or
(c) all parties to the proceedings agree to the representation and the Commissioner is satisfied that:
(i) it will not unfairly disadvantage an unrepresented party; or
(ii) if appropriate information or assistance or both were to be provided by the Commissioner to the unrepresented party, that party would not be unfairly disadvantaged; or
(d) the Commissioner is satisfied that the party is unable to present the party's case properly without the assistance of the person.