| Rule | Scope | Action | Severity | Owner |
|---|---|---|---|---|
| PO cannot exceed approved budget headroom | Procurement | Block approval | Hard | Finance |
| Bill must have supplier + VAT code + project/WBS | AP | Block posting | Hard | Accounting |
| Foreign currency posting requires daily FX rate | GL | Warn / block | Warn | Treasury |
| Manual journal above AED 50K requires CFO approval | GL | Route approval | Workflow | CFO |