Which provision of Hong Kong's Personal Data (Privacy) Ordinance (PDPO) strengthens the purpose limitation principle...

Notice; because the data subject must be provided with the purpose of the collection.

Public domain; because the data subjects must agree to the purpose before their information is made publicly available.

Prescribed consent; because the data subject must give express consent to their personal information being used for additional purposes.

Finality; because the purpose for collection of personal information from the subject must be directly related to a function of the collector.