Which of the Following Statements Is Not True in Relation

Which of the following statements is not true in relation to the New South Wales Workplace Surveillance Act 2005?

A) Employers must notify employees if they intend to conduct surveillance of the employees' computer files.
B) Employers can only conduct covert (secret) surveillance of their employees if they obtain authorisation from a magistrate.
C) Employers have the right to block emails that they believe contain viruses or offensive or harassing material.
D) Employers have the right to block incoming or outgoing emails by employees if the emails are encouraging serious industrial action against the employer.