Some common mistakes made by businesses while filing invoices. Experts suggest the way forward MUST DO Ensure that different types of invoices (tax invoice, bill of supply, receipt voucher, refund voucher, self-invoice, payment voucher, debit note, credit note & delivery challan) have different consecutive serial numbers Such invoice numbers should not exceed 16 digits, including special characters such as / and - If advance received for service/goods is refunded later, assessee has to issue refund voucher. Tax paid earlier can be claimed by way of refund. However, no adjustments can be made in return Mention the place of supply carefully. Any default or incorrect determination of place of supply can lead to payment of tax at the wrong place. Assessee would then have to pay tax in the correct place and go for refund of tax paid erroneously Ensure that correct classification of goods and service is done. Any change of rate would have a huge impact on future cash flow...