In a typical invoicing process, it is fairly common that an invoice sent out to a customer will need to be modified. Consider the following scenarios:
An invoice for customer A is accidentally created for customer B. Now customer B contacts us and wants us to cancel the bill.
A customer complains that he received an invoice for something that he never purchased.
A customer purchases products A, B and C but finds that we have sent him an invoice for products A, B and D. Now we need to correct the bill line with product D and change it to product C.
A discount of 10% was promised to a customer on purchase of a certain product. However, when he receives the invoice, he finds that he did not receive the discount. He now ...
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