New Zealand Legislation: Acts
Acts are laws made by Parliament
The following principles must be applied by persons who exercise powers and carry out duties under this Act if those principles are relevant to those powers or duties:
(a) the principle that the privacy of telecommunications that are not subject to an interception warrant or any other lawful interception authority must be maintained to the extent provided for in law:
(b) the principle that the interception of telecommunications, when authorised under an interception warrant or any other lawful interception authority, must be carried out without unduly interfering with any telecommunications.