A purchase order invoice is a critical document in the world of business transactions. It serves as a record of a purchase order and provides detailed information about the goods or services purchased, the agreed-upon terms, and the total amount due. In this article, we will delve into the fundamentals of a purchase order invoice, its purpose, key components, and its role in facilitating business operations. We will also discuss the process of creating and sending a purchase order invoice, highlighting best practices to ensure efficiency and accuracy.