Extension of GSTR-3B filing deadline: July return may be filed electronically through the common portal by the notified extended date. The Central Government amended Notification No. 34/2018 Central Tax (10th August 2018) by inserting a proviso allowing the return in FORM GSTR-3B for July 2018 to be furnished electronically through the common portal by the newly specified extended date, as published in Notification No. 35/2018 Central Tax dated 21st August, 2018.