IGST Refund 2018 List of IEC not validate by the PFMS as on 25.04.2018. Shipping Bill wise IGST Refund Granted as on 25.04.2018 Shipping Bill wise IGST Claimed Status as on 25.04.2018 IGST Shipping Bill – GSTN Integration Status Report of Shipping Bill as on 25.04.2018.