How to calculate interest on GST

nterest is applicable due to the late payment of GST. Interest has to be paid by every registered taxpayer who pays GST after the due date or claims excess Input Tax Credit (ITC) or reduces excess output tax liability. The interest on late payment of GST is as follows:

When a taxpayer does not file GST returns within the prescribed due dates, a late fee is charged. The late fee amount will depend upon the number of days of delay from the due date. The late fee under GST is also applicable for the ‘NIL’ return filers. The following is the applicable late fee for GSTR-3B:

The Interest has to be calculated from the next day on which the tax was due.
Interest under GSTR.