Business document types
| Business document | Description | Note | 
|---|---|---|
| Invoice | A business document under which a supplier charges a buyer for transaction(s) and which contains an itemized list of goods and services bought. | Typically contains at least the following elements: 
 | 
| Credit note | An invoice that indicates a credit amount owed by the supplier. | |
| Purchase order | A business document which specifies needed goods or services and represents an agreement between buyer and supplier. | Typically contains the following header data elements: 
 Basware consultants can set up business rules for invoices that have been created
         from purchase orders. Business rules increase the accuracy of matching your invoices, and
         prevent suppliers from over-invoicing your organization. | 
| Order change/cancellation | A purchase order message from a buyer, which is used to modify or cancel an existing purchase order. |