(I) The grade designation mark shall be securely affixed to each container in a manner approved by the Agricultural Marketing Adviser.
(2) In addition to the grade designation mark, each container shall be clearly marked with such Particulars and in such a manner as may be specified by the Agricultural Marketing Adviser.
(3) An authorised packer may, after obtaining the prior approval of the Agricultural Marketing Adviser, mark his private Trade Mark on a container, in a manner approved by the aforesaid officer, provided that the private trade mark does not represent quality or grade of the water chestnuts different from that indicated by the grade designation mark affixed to the container in accordance with these rules-