This file is a pro forma invoice sample, which can be used to create a pro forma invoice. Pro Forma is usually used to describe a document that meets the minimum requirement and sometimes may be considered as a formality while a pro forma invoice is a file that a seller sends to the customers to guarantee that a fixed quantity of goods or services will be offered at a certain price. If you are planning to create a pro forma invoice, you can download this template and replace the contents with those of you business.