42.—(1) For the purposes of any proceedings under the Act, an address for service shall be furnished by—
(a)an applicant for the registration of a design;
(b)a person who makes an application under section 11ZB for a declaration of invalidity of a registered design;
(c)the registered proprietor of the design who opposes such an application.
(2) The proprietor of a registered design, or any person who has registered any interest in a registered design, may furnish an address for service on Form DF1A.
(3) Where a person has furnished an address for service under paragraph (1) or (2), he may substitute a new address for service by notifying the registrar on Form DF1A.
(4) An address for service furnished under paragraph (1)(a) or (2) shall be an address in the United Kingdom, another EEA State or the Channel Islands.
(5) An address for service furnished under paragraph (1)(b) or (c) shall be an address in the United Kingdom, unless in a particular case the registrar otherwise directs.
(6) In this rule “EEA State” means a member State, Iceland, Liechtenstein or Norway.