s 17 Service of documents.
Any notice or other document authorised or required to be given under this Act may, without prejudice to any other method of service but subject to any provision to the contrary in rules under this Act, be served by post; and for the purposes of the application to this section of section 7 of the Interpretation Act 1978 (which relates to service by post) the proper address of a person to whose registration such a document relates shall be his address in the register.