Could notification to the Commissioner undermine three Data Protection Principles?
When a data controller says that he is processing personal data for “purpose X”, what does “purpose X” mean in practice? The answer is important because the word “purpose” is used in the legislation to describe the Second, Third, and Fifth data protection principles. For example, suppose a data controller claims that "personal data item Z is relevant to a housing benefit purpose". That claim can objectively be assessed; is the data item relevant or not relevant to the housing




