Last date for furnishing FORM GSTR-1 and GSTR-3B for the months of July, 2017 to November, 2018 has been specified as 31 Dec. 2018. for Taxpayers those who are migrating to GST, as per the procedure specified in CBIC Notification No. 31/2018-Central Tax dt. 6 Aug. 2018.
…..“Provided that the return in FORM GSTR-3B of the said rules to be filed for the period from July, 2017 to November, 2018 by the taxpayers who have obtained Goods and Services Tax Identification Number (GSTIN) in terms of Notification No. 31/2018 Central Tax dated the 06th August, 2018 published in the Gazette of India vide number G.S.R.742(E), dated the 06th August, 2018, shall be furnished electronically through the common portal on or before the 31st day of December, 2018.”….. (please refer above attached notifications for full details)