Paragraph 4.6 References under paragraph 34 of Schedule 10

If a person on whom a copy of a reference must be served pursuant to rule 4.5(4) wishes to participate in the proceedings he shall enter an appearance in the Registry within 14 days of service of the reference on him and serve notice of having done so on all the other such persons and on the person making the reference; and any person entering an appearance in accordance with this rule shall thereupon become a respondent to the proceedings.