An invoice is a time-stamped commercial document that itemizes and records a transaction between a buyer and a seller. If goods or services were purchased on credit, the invoice usually specifies the terms of the deal and provides information regarding the permissible methods of payment.

Typically, an Invoice document will contain any combination of the following information details:

  • Invoice number 
  • Invoice Issue Date and Invoice Due Date 
  • Payment terms
  • Buyer and seller details
  • Reference to the correspondent Purchase Order
  • Details regarding the products/services: description, quantity, prices
  • Total amount

A few examples of Invoice templates: