Notes

How do you prove an AI posting decision to an auditor?

Anton Russell — Thu, 15 Oct 2026 11:13:58 GMT

To prove an AI posting decision to an auditor, you need to produce, for any invoice they choose: the invoice and the evidence the system relied on, the signed authority that allowed it to act, the version of that authority in force on the day, the confidence assessment and the outcome, and a record that could not have been altered afterwards. Add the name of the person accountable and the trail for anything escalated, and you have proof rather than reassurance.

How does a confidence score work on a supplier invoice?

Anton Russell — Thu, 15 Oct 2026 10:55:41 GMT

A confidence score on a supplier invoice is a per-invoice measure of how sure an AI system is that its proposed posting is correct. A sound score is built from named factors, typically data quality, pattern match, rule compliance, historical consistency and anomaly checks, and it routes each invoice to one of three outcomes: approve and post inside the limits the firm has signed, flag for a named person to review, or stop the invoice until someone investigates.

What is accountable AI for finance operations?

Anton Russell — Thu, 15 Oct 2026 10:47:03 GMT

Accountable AI for finance operations is AI that makes routine finance decisions, such as posting a supplier invoice, under four conditions: it acts only inside written limits the firm has signed, it scores its own confidence on every decision, it records each decision in a tamper-evident log that cannot be edited after the fact, and a named person answers for the outcome. If any of the four is missing, the AI may still be useful, but it is not accountable.