Records needed for this question
Correction notices, account terms and effective-date schedules.
How to investigate
Determine whether the announced correction applies to custom-rate accounts before requesting it.
An illustrative review decision
A general correction announcement may refer to standard tariff accounts only. Retain the notice and the negotiated account terms so eligibility can be explained without assuming that every customer qualifies.
What can lead to the wrong conclusion?
A public tariff update may exclude negotiated enterprise terms.
The result to retain
An applicability decision for each affected billing account.
Apply the review in context
Review carrier invoice evidence, inventory, findings and recovery cases in AuditRes Telecom.
This guide describes a human review method, not a claim that every scenario is automatically detected or executed. Explore AuditRes Telecom.