When purchaser pay short payment to supplier for bill then whats treatment in GST, e.g. Taxable value Rs. 35610.00 SGST @ 9% Rs. 3205.00 CGST @ 9% Rs. 3205.00 TOTAL INVOICE Rs. 42020.00 and custmer paid Rs 42000.00 and Rs. 20.00 is kasar and Supplier do not want to pay GST on this types of kasar amount then whats treatment for this types of transactions in GST.