The official business definition of an invoice for 800 1/10 net 30 is a request for payment from a customer for goods or services that have been provided. It is usually sent out after the goods or services have been delivered and includes the total amount due, the payment terms, and the due date. In this case, the customer is being asked to pay 800 dollars within 10 days of receiving the invoice, with the remaining balance due within 30 days. This type of invoice is commonly used when goods or services are provided on credit, and is an important part of the accounts receivable process. It helps businesses ensure that they receive payment for goods or services provided, and helps customers to keep track of their payments.