supply to SEZ

Supply to SEZ without payment of taxes and den some credit note issue. Now in 3B we need to show net off credit note. Say 100 sales to SEZ and 5 is credit note. den in 3B we need to show only 95. But in refund application what should we show 100 or 95, if 100 den it will not matched with 3B... What turnover should be shown in refund application

Credit note is say may 2018 issued in june 2018 and we are filling 3b of june and refund application of june