1) Privacy is about individuals having control over their personal health information in the face of technologies that reduce their control.
2) The Health Information Privacy Code 1994 is a code of practice that modifies New Zealand's 12 privacy principles into 12 rules governing the collection, use, and disclosure of identifiable health information.
3) The rules aim to balance individuals' privacy rights with other interests like research and public health, requiring open collection and use of information for its original purpose while allowing some exceptions like medical emergencies.