29 April 2019
The GST rate and SAC code applicable will be the same as applicable to the main supply in the Tax Invoice against which interest is being paid for delay in payment
Actually , the interest on delayed payment will be added in supply for valuation purpose
15(2) of CSGT Act,2017 lists out the compulsory inclusions in the value of supply where Section 15(2)(d) mentions – ‘interest or late fee or penalty for delayed payment of any consideration for any supply’.