90. (1) If it appears to the Director-General that the holder of a Certificate Book issued under this Chapter has obtained it on false or erroneous information, he may, without prejudice to any other penalty to which such holder may be liable, by order, cancel or suspend such Certificate or Book: Provided that no such order shall be passed by the Director-General unless the holder of the Certificate or of the Book has been given an opportunity of making a representation against the proposed order. (2) A person aggrieved by an order under sub-section (1) may prefer an appeal to the Government within a period of one month from the date of such order and the decision of the Government on such appeal shall be final. (3) Upon cancellation or suspension of a Certificate or of the Book under sub-section (1), the holder of the Certificate or of the Book shall surrender the same to the Director-General. (4) If any person contravenes the provision of sub-section (3), he shall be liable to fine which may extend to one lakh Taka.