34. Commissioner assessment of tax payable.

(a) has not furnished returns required under this Act by the prescribed date;
(b) has furnished incomplete or incorrect returns; or
(c) has furnished a return which does not comply with the requirements of this Act;
(a) the amount of net tax due for a tax period; and
(b) the amount of tax due for the import of goods.
(a) the net tax for the tax period was due; and
(b) the amount of tax in respect of the import of the goods was due.