<h1>GST Compliance Deadlines Extended: GSTR-1, IFF, GSTR-4, and Other Forms Get New Filing Dates.</h1> The government has extended the deadlines for various GST compliance requirements for taxpayers. For monthly returns, the deadline for filing Form GSTR-1 for May 2021 has been extended from June 11 to June 26, 2021. For those under the QRMP Scheme, the optional Form IFF deadline has been moved from June 13 to June 28, 2021. Annual returns for composition taxpayers (GSTR-4) for FY 2020-21 are now due by July 31, 2021. Deadlines for other forms, including GSTR-5, GSTR-6, GSTR-7, GSTR-8, and Form ITC-04, have also been extended to June 30, 2021.