Northern Territory Consolidated Acts53. Failure to attend or produce documents
(1) A person served with a summons to attend a hearing shall not refuse or fail, without reasonable excuse:
(a) to attend at the hearing; or
(b) subject to subsection (2), to produce at the hearing the books or other documents in his custody or control that he is required to produce by the summons.
Maximum penalty: $200.
(2) It is a defence to a charge in respect of a refusal or failure, without reasonable excuse, to produce at a hearing a book or other document if the accused proves that the book or other document was not relevant to the matter the subject of the hearing.