Late-Arrival Event Handling — Deals with usage that shows up after its period closed — held connections, delayed batch files, retried queues. Policy decides whether stragglers restate the prior invoice via correction and replay or roll into the current one.
Late-Arrival Event Handling lives in the Consume & Meter phase of Fulfill & Bill — the stage where you activate what was sold, meter what's used, bill it right. In the corpus tool index this phase maps to the Meteringcategory.
The critical requirements that test this capability in UsagePricing's Usage-based billing & metering rubric — scored tool profiles link from the list below.
When a meter was wrong, can you fix history without hand-editing invoices?
The bar: Event-sourced pipeline: void/backfill events, replay periods, and re-rate under corrected prices with an audit trail.