Certificate Life-Cycle Operational Requirements See below for the certificate life-cycle operational requirements.Certificate ApplicationCertificate Application ProcessingCertificate IssuanceCertificate AcceptanceKey Pair and Certificate UsageCertificate RenewalCertificate Re-KeyCertificate ModificationCertificate Revocation and SuspensionCertificate Status ServicesEnd of SubscriptionKey Escrow and Recovery