(2)Where the prescribed authority considers that the information submitted in the information return is defective, he may intimate the defect to the person who has furnished such information return and give him an opportunity of rectifying the defect within a period of thirty days from the date of such intimation or within such further period which, on an application made in this behalf, the prescribed authority may allow and if the defect is not rectified within the said period of thirty days or, as the case may be, the further period so allowed, then, notwithstanding anything contained in any other provision of this Act, such information return shall be treated as not submitted and the provisions of this Act shall apply.