5-B. Liability to tax persons not observing conditions of exemption or licence

If any restriction or conditions prescribed under section 5 is not complied with by a dealer, the sale or purchase as the case may be, of the dealer may, with effect from the commencement of the year in which such non-compliance was made be assessed to tax under section 4 or section 4-B and the licence fee if, any, recovered from such dealer, shall be adjusted towards the tax so assessed.