Invoices are used to track inventory, accounts receivables, and expenses. Purchase Order Number: a unique identifier used to keep track of ordersĪs a commercial document, an invoice is needed whenever a business transaction involves paying for goods or services.Payment: whether the buyer should pay by check, money order, or other means.Due Date: when payment is expected, either in 30 days or by a specific date.Description: detail of each item sold or service provided.Buyer: person or company purchasing the goods or services.Seller: person or company offering goods or services.Invoices are used by a person or company (offering goods or services) to tell a buyer that payment is now due.Ī basic invoice should include the following details: An invoice is a request for payment for itemized goods and services sent from a seller to a buyer.
