The due dates for GSTR9 and 9C has been extended further in a staggered format. In a tweet CBIC says, the due dates for GSTR-9 and GSTR-9C for FY 2017-18 are being extended in a staggered manner for different groups of States to 5th and 7th February 2020. This is the second-extension in due dates since January 31, 2020, when the GSTN-portal had crashed.