57U.—(1) A party to proceedings before the Appeals Tribunal may—

(a) appear without representation, or

(b) be represented by an agent, or

(c) if the party is an incapacitated person — be represented by such other person as may be appointed by that Tribunal under subsection (2).

(2) If it appears to the Appeals Tribunal that a party is an incapacitated person, it may appoint a suitable person to represent the party.

(3) Any person appearing before the Appeals Tribunal may use the services of an interpreter unless the person can understand and speak the English language sufficiently to enable the person to understand, and to make an adequate reply to, questions that may be put to the person.

(4) In this section—

"incapacitated person" means—

(a) a minor, or

(b) a person who is totally or partially incapable of representing himself or herself in proceedings before the Appeals Tribunal because the person is intellectually, physically, psychologically or sensorily disabled, of advanced age, a mentally incapacitated person or otherwise disabled, or

(c) any other person of a class prescribed by regulations made under section 57AZ for the purposes of this paragraph;

"interpreter" includes a person who interprets signs or other things made or done by a person who cannot speak adequately for the purposes of giving evidence in proceedings.]