GSTR-3B filing timeline extended for July to September 2019, with electronic payment required by the prescribed due date. Extension of the filing timeline for returns in FORM GSTR-3B for the months from July 2019 to September 2019 under the Uttarakhand GST framework. The return for each of those months is to be furnished electronically through the common portal on or before the twentieth day of the succeeding month. Registered persons must also discharge tax liability, interest, penalty, fees or any other amount payable by debiting the electronic cash ledger or electronic credit ledger by the prescribed due date.