12. (1) The Director may, after consultation with the Market Advisory Committee concerned and with the approval of the Government, fix, by notification in the official Gazette, the maximum market charges payable by the purchasers or sellers to various market functionaries in connection with the purchase or sale of different kinds of agricultural produce in a notified market specified in such notification. (2) No market charge in excess of the amount fixed under sub-section (1) shall be paid or received by any person in respect of any transaction in a notified market specified under sub-section (1).