DPA has 7 key principles, ICE LATS :
Integrity - data can only be gathered on lawful grounds, in a way a user can expect
Compliance - compliance with the law must be demonstrable
Efficient - No unnecessary data is gathered, and data is sufficient for it's purpose
Limitation - data is only to be used for explicitely stated purposes
Accuracy - data must be accurate, including updating it
Transparency - It must be clear who is responsible for ensuring data security
Storage - data can only be stored securely until it is out of date, or unneeded