STAN Definition.
System Trace Audit Number: a 6-digit counter (field 11 of ISO 8583 messages) assigned by the message originator and unique per day and per system or terminal. Combined with the date, time and TID, it unambiguously identifies a message exchange during incident investigations and reconciliation. It is also used to match a reversal request with the original authorization.
See also
Where this term appears
GuideThe four-party modelGuideThe role of banksGuideMerchant, acquirer, PSPGuidePayment schemesGuidePayment regulationGuideCentral banks and payment infrastructuresGuideFrench fintech: an overviewGuidePayments in GermanyGuidePayments in AustriaGuidePayments in the BalkansGuidePayments in the Baltics and FinlandGuidePayments in the Netherlands and Belgium