Unsolicited Electronic Messages Ordinance Part 5 5-8 Section 31 Cap. 593 (b) proof that the person contravened or did not contravene a relevant provision of the code of practice may be relied on by any party to the proceedings as tending to establish or negate that matter. (3) In any legal proceedings, a code of practice that appears to a court to be the subject of a notice under section 29(3) (Authority may approve codes of practice) shall, in the absence of evidence to the contrary, be presumed to be the subject of such notice. (4) In any legal proceedings, a document that purports to be a copy of a code of practice that is the subject of a notice under section 29(3) (Authority may approve codes of practice) shall, in the absence of evidence to the contrary, be presumed to be a true copy of the code. (5) In this section, court (法院) includes— (a) a magistrate; (b) the Unsolicited Electronic Messages (Enforcement Notices) Appeal Board established under section 47(1); and (c) any other tribunal. 31. Authority may establish do-not-call registers (1) The Authority may establish and keep one or more registers of electronic addresses for the purposes of this Ordinance, each of which is to be known as a do-not-call register, and may do all things necessary for, or incidental or conducive to, the establishment, operation and administration of such registers. (2) The purposes of a do-not-call register are— (a) to provide registered users of electronic addresses with a convenient means by which they may notify senders of Last updated date 5.12.2014