Central Board of Indirect Taxes & Customs (CBIC ) has extended the last date for filing GST return in Form GSTR-3B for the month of March, 2019 from 20th April, 2019 to 23rd day of April, 2019 as per tickers on the GST Common portal.
We will share the relevant notification once it is available in the public domain.
Source: GST – Common Portal
