Sub: Steps to be taken by taxpayers to file Form GSTR-9C - Reg. Dear Taxpayers, You are aware that Form GSTR-9C, for the period 2017-18 is to be filed by 31st August, 2019, by all the taxpayers whose annual turnover was more than Rupees 2 Crore (except exempted taxpayers) during July 2017 and March 2018 . To ensure that the process of filing is hassle-free, you are requested to observe following precautions, before and during filing Form GSTR-9C, on GST Portal: