A person must not (a) wilfully delay, or obstruct, the Director of Building Control in the exercise of his or her powers under this Act; or(b) refuse, or fail, to provide any record or document the person is required to produce under this Act; or(c) conceal, or attempt to conceal, any record or document the person is required to provide under this Act; or(d) refuse, or fail, to explain or to answer a question as required under this Act; or(e) give a false or misleading answer, or explanation, to a question required to be answered under this Act.Penalty: Fine not exceeding 500 penalty units.