Commissions of Investigation Act 2004
Offence of obstructing, etc., authorised persons.
30.—A person is guilty of an offence if the person—
( a) intentionally obstructs an authorised person in the exercise of any of his or her powers under this Part,
( b) fails, without reasonable excuse, to comply with a direction given by an authorised person in the exercise of those powers, or
( c) in purporting to give information required by an authorised person in the exercise of those powers—
(i) makes a statement knowing it to be false or misleading in a material particular, or
(ii) intentionally fails to disclose any material particular.