Most importantly, it’s used to keep track of all of the company’s sales transactions with the customers.
Not only does it assist in speeding up the payment process but it is also used as a source document. That is, “A business sends an invoice to a customer, who receives it as a bill, pays the amount owed, and the business issues a receipt as evidence of payment.” Functions Of InvoiceĪn invoice is an essential element of communicating with customers. In fact, they are two separate documents with distinct objectives.Īn invoice is issued by the business that provides the service, and the customer who receives the invoice records it as a bill to be paid. However, bills and invoices are not precisely the same. As both invoices and bills are documents that contain information about the amount owed as part of a business transaction, many companies and customers use the words interchangeably.