Vendor Procurement BPMN Diagram for Requisition, Approval, PO, and Payment

This BPMN diagram is used to manage vendor procurement from a requester’s identified need through requisition review, quote collection, budget approval, purchase order confirmation, receipt of goods or services, invoicing, and payment. It helps teams clarify handoffs, approval points, and rejection or clarification loops across Requester, Procurement, Finance, and Vendor swimlanes, and is used by procurement managers, finance teams, requesters, vendors, and process analysts.