An invoice may be a document sent to a buyer that specifies the quantity and price of products or services that are provided by a seller. An invoice indicates what must be paid by the customer consistent with the payment terms of the vendor. Payment terms usually specify the time that a buyer has to send payment to the seller for the goods and services that they have purchased. An invoice provides a detailed account of the products or service and a group of other information which will vary a touch counting on the wants within the country the invoice is issued and therefore the sort of product or service being sold. Invoices are used as a source document for business accounting. Invoices help record all the sales transactions a business makes with its clients. Invoices are employed by businesses for a spread of purposes. An invoice may be a pillar of the sales process. It is the most document that is a bill for the service or products your business has provided. A properly created invoice may be a legal instrument that gives a binding agreement. Invoices are important not just for keeping track of sales and payments, from balances to stock levels, but they can also be used in the case that a payment is overdue or missing and is followed up with more formal actions