omit, insert--
'(1) A document may be served under this Act, or under an empowering Act for the purposes of this Act--
(a) for a document to be served on a licensee--by leaving it at, or sending it to, the licensee's address in the register of licences under the relevant empowering Act; or
(b) whether or not paragraph (a) applies--as stated in this Act.
'(2) If personal service of a document is required under this Act, or under an empowering Act for the purposes of this Act, personal service may be effected in the same way as an originating process that is required to be served personally under the Uniform Civil Procedure Rules 1999 may be served.
'(3) Subsection (1) does not limit the Acts Interpretation Act 1954, section 39 or a provision of a relevant empowering Act providing for the service of documents.'.