It is an Ordinance in Hong Kong to facilitate the use of electronic transactions for commercial and other purposes, to provide for matters arising from and related to such use, to enable the Postmaster General to provide the services of a certification authority and to provide for connected purposes.

• The content of Electronic Transactions Ordinance can be found in the following URL:
  http://www.ogcio.gov.hk/eng/eto/ecap553.htm
• You can also visit following site for the Code of Practice for recognized Certification Authorities ("CA")
  http://www.ogcio.gov.hk/eng/caro/esub3.htm
  to know more on the standards and procedures to be adopted by CAs in Hong Kong for carrying out their functions as a recognized CA.