It is a simple return form released by the Government to be filed as stop gap arrangement till returns in regular formats are filed. GSTR-3B is for those taxpayers, who are required to file FORM(S) GSTR-1, 2 & 3. Hence, composition dealers, non-resident taxable persons, ISD, TDS, TCS (E-commerce operator) i.e. for whom specific returns are prescribed would not be required to File GSTR-3B
Details furnished in FORM GSTR-3B can be amended while filing FORM GSTR-1 and/or FORM GSTR-2. Details furnished in FORM GSTR-1 and FORM GSTR-2 will be matched with FORM GSTR-3B already filed, auto populated and reflected in the return in FORM GSTR-3. Any difference in tax payable will be refunded or needs to be paid as the case may be. The taxpayer will be liable to interest on tax short paid earlier. However, there will be no penalty or late fees charged on the difference. Any tax found paid excess will be carried forward to next month’s return.