We are submitted for RFD 11- LUT FORM on 27.08.18 for the period of 18-19. And, also we can received ARN No. Further we can eligible to proceed the export invoices for shipments with ARN NO. (or) GST concern officer authorize & approved the LUT, then we can proceed the export invoices. What is the correct way of issue. Kindly clarify and reply solution. thanks for advance..................