The Workplace Surveillance Act 2005 (NSW). The Act applies to computer, camera and tracking surveillance. It's required that employees in NSW must be given at least 14 days' notice before workplace surveillance takes place.
He lists four general categories of privacy-harming activities: information collection, information processing, information dissemination, and invasion.
Your policy should: state what personal information your business collects about your employees and why. contain guidelines limiting the collection of personal information, so that information is only collected if it's necessary for your business functions or activities or required by law.