9.—(1) The Tribunal may give a direction substituting a party if—
(a)the wrong person has been named as a party; or
(b)the substitution has become necessary because of a change in circumstances since the start of proceedings.
(2) The Tribunal may give a direction adding a person to the proceedings as a respondent.
(3) If the Tribunal gives a direction under paragraph (1) or (2) it may give such consequential directions as it considers appropriate.