7.—(1) The Secretary shall as soon as reasonably practicable after receiving from the Board the relevant documents in accordance with rule 4(1), 5(4) or 5(5) —
(a)give notice to the appellant and to the Board of the case number of the appeal (which must from then on be referred to in all correspondence relating to the appeal) and of the address to which notices and other communications to the Employment Tribunal Office shall be sent;
(b)give notice to the appellant of the Board’s address for service; and
(c)send to the appellant a copy of any representations in writing that the Board has submitted to the tribunal under rule 4 or 5.