VAT operations break when evidence is treated as “attach later.”
The only scalable approach is evidence-first: prerequisites before approvals, and exceptions as queues with reasons.
Start here:
Step 1: Define prerequisites for “ready to close”
Examples:
- tax invoice attached for relevant transactions
- required fields present and validated
- exceptions reviewed and resolved (with reason codes)
Step 2: Turn anomalies into a queue
Queues must include:
- owner
- status history
- reason code
- evidence links
Related:
Step 3: Approval-gate payments
VAT payments are money actions.
Approval gating ensures:
- separation of duties
- evidence prerequisites
- auditable decision chain
Related:
Step 4: Make corrections safe to rerun
Corrections happen.
Your workflow must support safe reruns:
- deterministic behavior
- preserved audit trails
- no duplicate side effects
Related: