6. Where under this Order—
(a)any notice or other document is required to be given or sent to the Service Personnel and Veterans Agency, that notice or document is to be treated as having been given or sent on the day it is received by that Agency; and
(b)any notice or other document is required to be given or sent to any person, that notice or document, if sent by post to that person's last known address, is to be treated as having been given or sent on the day that it was posted.