The short answer
Review approval-queue capacity by reconciling arrivals, carried items, exits, expirations, withdrawals, and bypasses for a defined period. Segment age by action class and consequence, compare required review work with authorized reviewer availability, and change intake, routing, evidence, or authority only through an approved control decision.
Key takeaways
Reconcile queue flow before interpreting wait time
Record opening inventory, new eligible items, retries, merged duplicates, routed items, approvals, rejections, edits, withdrawals, expirations, executions, unresolved exits, and closing inventory. Ensure the equation balances for each action class.
Separate time waiting for missing evidence from time waiting for an authorized reviewer. The remedies differ.
Segment by consequence and time sensitivity
Use internal service expectations grounded in the workflow; do not borrow an arbitrary industry benchmark.
| Signal | Question | Possible response | Control boundary |
|---|---|---|---|
| Decision-ready age | How long since required evidence was complete? | Routing, staffing, prioritization | Do not backdate readiness |
| Expiry risk | When does evidence or action become stale? | Refresh or withdraw | Expired evidence cannot be approved |
| Arrival bursts | Which event creates concentrated demand? | Stagger safe work or add coverage | Do not delay urgent classes |
| Reviewer mismatch | Is authorized capacity available? | Cross-train or reassign under policy | No informal permission expansion |
| Rework rate | How often do items return for evidence? | Fix intake and presentation | Do not hide edits as approvals |
Change the system with a documented capacity decision
State the affected action classes, measured period, assumptions, proposed change, risk effect, authority effect, test, monitoring, rollback trigger, and owner. NIST AI RMF concepts support monitoring and governed change but do not supply a universal queue target.
Operational checklist
Mark your progress, then save a working copy. Selections reset when you leave this page. A checked box is not an approval or evidence of completion.
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Edge cases
Sources and references
Follow each source to check the underlying claim. Access checks and professional review are different steps.