8. For rule 22 (notices by post), substitute—
“Sending of notices etc.
22. Notices or 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 the person for that purpose.”.