| Field | Source | Action if mismatch | |-------|--------|--------------------| | Unit price | PO | Flag → price variance approval | | Quantity received | Receipt | Flag → receiver confirms | | Tax amount | Invoice | Flag → tax engine recalculates |
| Role | Permissions | |------|--------------| | | Enter, match, correct, approve invoices up to limit | | Buyer | Confirm receipt, resolve match exceptions | | Cost Center Approver | Approve non-PO invoices for their department | | Finance Admin | Configure tax rules, approval workflows, integration | | Supplier Portal User | Submit invoices, check status (supplier self-service) | concur invoice automation