Unsolicited Electronic Messages Ordinance Part 2 2-10 Section 12 12. Cap. 593 (b) did not know, and could not with reasonable diligence have ascertained, that the message had a Hong Kong link. Commercial electronic mail messages must not use misleading subject headings A person shall not send a commercial electronic mail message that has a Hong Kong link if the subject heading of the message, if any, would be likely to mislead the recipient about a material fact regarding the content or subject matter of the message. 13. Commercial electronic messages must not be sent with calling line identification information concealed (1) A person who sends a commercial electronic message that has a Hong Kong link from an electronic address that is a telephone number or facsimile number (the sending number) shall not— (a) conceal or withhold from the called party the calling line identification information of the sending number; or (b) perform any operation or issue any instruction in connection with the sending of the message for the purpose of, or that has the effect of, concealing or withholding from the called party the calling line identification information of the sending number. (2) In this section, calling line identification information (來 電線路識別資料) means telecommunications network information generated and transmitted by the calling party’s telecommunications network for the purpose of enabling the called party’s telecommunications network to identify the telephone number or facsimile number of the calling party. Last updated date 2.8.2012