1st July - GST Regime Starts 15th July onwards - Uploading of Sales / Outward Invoices 20th August - Pay tax and Upload GSTR-3B for July (Self declaration form) 1st to 5th September - File GSTR-1 for the month of July 6th to 10th September - Download and Reconcile GSTR-2 for the month of July [...]The post GST Calendar appeared first on Chartered Accountant and Consulting Services in Chennai.