Liability to tax persons not observing restrictions and conditions notified under section 31

If any restriction or condition notified under section 31 is contravened or is not observed by a dealer, the sales or purchases of such dealer may, with effect from the commencement of the year in which such contravention or non-observance took place, be assessed to tax or taxes under the appropriate provisions of this Act as if the provisions of the notification under section 31 did not apply to such sales or purchases.