A person appearing as a witness at an inquiry by a Commission shall not, without reasonable excuse:
(a) refuse or fail to be sworn or to make an affirmation,
(b) refuse or fail to answer a question that the person is required to answer by the Commissioner conducting or presiding at the inquiry, or
(c) refuse or fail to produce a document that the person was required to produce by a summons under this Act served on the person.
Maximum penalty: 10 penalty units or imprisonment for 6 months, or both.