1 | Requisitioner: End-user in the system who places an order. It also has a digital certificate, issued by the trusted certificate authority. |
2 | Buying Organization: Represents the purchasing management and the information systems which support purchasing. These systems include the OBI server, receives and requests OBI orders, trading partner information, workflow, approvals, account, and tax status. |
3 | Selling Organization: maintains dynamic online catalog. It also presents price and product information. |
4 | Payment authority: It provides authority for the payment vehicle presented by the requisitioner. |