1. Issue with respect to transmission of data to IEC Gateway in case of IGST refund from customs Under Goods and Service Tax, information related to exports are furnished at following two places: Summary information is given in Table 3.1(b) of GSTR-3B where details are given of Value of Export and Amount of IGST paid on such export. Invoice wise details of export invoices are furnished in Table No. 6A of GSTR-1 wherein information is provided of Shipping Bill Number, Shipping Bill date, Port code, value of goods exported, taxes paid on such export etc. Data furnished in Table-6A are