Practitioners are reminded that, to comply with the Data Protection Principles of the Personal Data (Privacy) Ordinance (Cap. 486), the collection of personal data from a client by an estate agent shall be for a purpose necessary for the performance of estate agency work for that client and such data shall be collected by lawful and fair means. An agent shall not use such personal data for any purpose other than that for which the data was collected or disclose such data to any other person, unless with the consent of his client.

If the prospective purchaser has obtained, with the vendor's consent and through the agent, any personal data of the vendor, the agent should remind him to handle the information in accordance with the Personal Data (Privacy) Ordinance.