PartialSAP Concur
Requirement evaluated: The system must maintain an immutable, timestamped, per-action audit log covering every discrete event in the AP lifecycle: invoice receipt, data extraction, coding, each approval action, exception handling, payment initiation, and ERP posting to NetSuite. No event may be deleted, overwritten, or backdated after it is written; the log must be append-only and cryptographically or architecturally protected against alteration by any user including administrators. This directly addresses the buyer's stated requirement that no action in the AP lifecycle is unrecorded or editable after the fact.
For a PE-backed company on NetSuite preparing for IPO, SAP Concur Invoice provides a per-action, timestamped audit trail at both the invoice header level and the line-item level. It is possible to review the audit trail history for an invoice; this information is read-only and for viewing purposes only, and the trail captures date and time, the name of the user who updated the audit trail, the action, and a description of the action. The information cannot be edited. Automatic audit trails are described as helping reduce bottlenecks and maintain accountability. …
Limitations: The audit trail is application-layer read-only but Concur does not publish cryptographic or architectural immutability guarantees that block administrator-level alteration, which is the specific bar this buyer's SOX readiness requirement sets. …
PartialStampli
Requirement evaluated: The system must maintain an immutable, timestamped, per-action audit log covering every discrete event in the AP lifecycle: invoice receipt, data extraction, coding, each approval action, exception handling, payment initiation, and ERP posting to NetSuite. No event may be deleted, overwritten, or backdated after it is written; the log must be append-only and cryptographically or architecturally protected against alteration by any user including administrators. This directly addresses the buyer's stated requirement that no action in the AP lifecycle is unrecorded or editable after the fact.
For a PE-backed NetSuite customer preparing for IPO-level SOX scrutiny, Stampli's audit trail covers the full AP lifecycle from invoice receipt through ERP posting. The platform's dedicated Invoice Audit Trails feature captures every discrete event on a per-invoice basis: Stampli's invoice audit trails provide a comprehensive, auditable log of all activities related to each invoice, including approvals, rejections, questions, answers, field updates, and email details. Critically for SOX chain-of-custody requirements, each captured activity includes names, dates, times and other relevant data, and the audit trail includes the field values both before and after edits. …
Limitations: The material ceiling for this buyer is the absence of any publicly documented technical proof of how immutability is enforced: Stampli's documentation confirms comprehensive per-action timestamped logging with before/after field values across the full AP lifecycle, but does not disclose whether the log is backed by app …