An ISO 20000 auditor reviews corrective action records and finds that root causes were identified but the effectiveness of corrective actions was never verified. Which requirement is not being met?
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A
Clause 7.4 — Communication
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B
Clause 10.1 — Nonconformity and corrective action
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C
Clause 8.7 — Problem management
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D
Clause 9.3 — Management review