3. (1) The Government may, by order published in the official Gazette and subject to such conditions and exceptions as may be made by or under the order, prohibit, restrict or otherwise control the import or export of goods of any specified description, or regulate generally all practices (including trade practices) and procedure connected with the import or export of such goods, and such order may provide for applications for licences under this Act, the evidences to be attached to such applications, the grant, use, transfer, sale or cancellation of such licences, and the form and manner in which and the periods within which appeals and applications for review or revision may be preferred and disposed of, and the charging of fees in respect of any such matter as may be provided in such order. (2) No goods of the specified description shall be imported or exported except in accordance with the conditions of a licence to be issued by the Chief Controller or any other officer authorised in this behalf by the Government. (3) All goods to which any order under sub-section (1) applies shall be deemed to be goods of which the import or export has been prohibited or restricted under section 16 of the Customs Act, 1969 (IV of 1969), and all the provisions of that Act shall have effect accordingly. (4) Notwithstanding anything contained in the aforesaid Act the Government may, by order published in the official Gazette, prohibit, restrict or impose conditions on the clearance whether for home consumption or ware-housing or shipment abroad of any imported goods or class of goods.