Purchase Order Approval Workflow

Design a purchase order approval flowchart starting with requisition creation, automatic routing based on amount thresholds (under $1K auto-approve, $1K-$10K manager approval, $10K+ director approval, $50K+ CFO approval), vendor verification, budget availability check, three-quote requirement for large purchases, legal review for contracts, final approval, PO generation, vendor notification, goods receipt confirmation, invoice matching, and payment processing with rejection paths and resubmission loops.