Rules 7 and 8 of Order 47 are repealed and the following rules are substituted:
“7 Changing of address for notices
A person mentioned in rule 6 may change the address for notices by serving a notice of the change of address on the company.
“8 Service by post
A notice is taken to have been served on a person who gives a notice under rule 5, whether the person is living or not, if it is sent by prepaid post addressed to the person at the address stated—
(a) in accordance with rule 6; or
(b) if the address has been changed in accordance with rule 7—the changed address.”.