9.—(1) A party may be represented in any proceedings by a representative whose details may be communicated to the First-tier Tribunal prior to any hearing.
(2) If the First-tier Tribunal receives notice that a party has appointed a representative under paragraph (1), it must send a copy of that notice to each party to the proceedings.
(3) A person who receives due notice of the appointment of a representative—
(a)must provide to the representative any document which is required to be provided to the represented party, in addition to providing the document to the represented party; and
(b)may assume that the representative is and remains authorised as such until the person receives written notification that this is not so from the representative or represented party.
(4) Notwithstanding paragraphs (1) to (3), a party may be represented at a hearing by a person other than any person whose details have been communicated to the First-tier Tribunal.
(5) A party may show any document or communicate any information about the proceedings to that party’s representative without contravening any prohibition or restriction on disclosure of the document or information.
(6) Where a document or information is disclosed under paragraph (5), the representative is subject to any prohibition or disclosure in the same way that the party is.