For rule 24 (notices by post), substitute–

“Service of notices etc.24.

Notices of documents required or authorised to be sent or supplied under these Rules may be sent or supplied–

(a)

by post; or

(b)

by using electronic communications to send or supply the notice or document, as the case may be, to a person at such address as may for the time being be specified by that person for that purpose.”.