Review the gaps between what was agreed, what was delivered and what entered the billing and accounting process.
Investigate an unmatched deliveryApproved order · ORD-53
Delivery record · DEL-87
Invoice link · INV-64
Billing timing and terms still require review.
Check billing timing, acceptance and terms before treating an unmatched delivery as lost revenue.
An order can be accepted in one system, fulfilled in another and invoiced through a third. Usage-based arrangements add measurement and rating. Differences in identifiers or business rules can leave an issue hidden until a customer dispute or finance review.
Revenue assurance connects the records at each stage so teams can investigate discrepancies. Finance and commercial teams retain responsibility for recognition policy, contract interpretation and approved adjustments.

Comparing expected order, delivery and billing events identifies gaps in the commercial process. Grouping related discrepancies gives the source owner a complete case to investigate, including the records and terms behind it.
| Exception | Required investigation |
|---|---|
| Fulfilled item without billing link | Check contract timing and invoice status |
| Usage without account mapping | Resolve customer and service identity |
| Unexpected adjustment | Review approval and effective terms |
| Payment without allocation | Match settlement to the approved receivable |
Review REV-18
| Record | What is established | What needs review |
|---|---|---|
| DEL-87 | 12 units accepted | Applicable invoice trigger |
| INV-64 | 8 units linked to billing | Whether remaining units are due |
| REV-18 | 4 units unmatched | Commercial terms and source mapping |
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Model the accepted order, approved contract terms, fulfillment evidence, usage records, billing events and settlement separately. Each record describes a different business state. An invoice without a fulfillment link may be legitimate under a prepayment arrangement, while a fulfilled order may not yet be ready to bill.
Rules need to reflect those arrangements rather than classifying every mismatch as lost revenue. Preserve effective dates, product identifiers, units and adjustment history. The investigator should be able to see which terms and records produced the exception.
Corrections can affect customers, taxes and reported amounts. The original record, proposed adjustment and approval history help reviewers distinguish a data correction from a commercial change.
Cancellations, refunds, partial fulfillment and retroactive amendments each affect reconciliation differently. Their status and applicable terms belong in the review, with access controls for contract rates and account balances.
False positives, unresolved account mappings and time spent investigating cases show how well the exception process is working. Confirmed corrections provide the basis for measuring financial impact without counting an issue twice.
Linking the resolution to its billing or fulfillment records also makes recurring problems visible. Teams can distinguish a missing data link from a process issue that needs a lasting correction.