Unknown Merchant (System Trace Audit Number Entry)

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This entry is not a merchant but a reference to a System Trace Audit Number (STAN), an internal identifier used by banks and payment processors to track a specific card transaction.

About Unknown Merchant (System Trace Audit Number Entry)

This descriptor represents a System Trace Audit Number (often abbreviated as STAN), which is an internal tracking reference used by card networks, banks, and payment processors. It is not the name of a store, website, or service, and by itself it does not identify the business where the transaction took place. Instead, it is a numeric code that links back to detailed transaction records in the bank’s systems.

You might see a line like “SYSTEM TRACE AUDIT NUMBER: 199470” on your statement or in your online banking when your bank is displaying additional technical information about a card transaction, a dispute investigation, or a temporary/adjustment entry. This reference may appear near or alongside the actual merchant charge, but it is not the merchant itself and will not correspond to a separate purchase.

If you have questions about a charge associated with this System Trace Audit Number, the best step is to contact your card issuer (the bank or company that issued your card) and provide them both the date, amount, and this STAN value. Their support staff can use it to pull up the underlying transaction, confirm the real merchant name, and walk you through receipts, reversals, or disputes. Because this is an internal tracking code, only your bank or payment processor can interpret it fully; there is no separate website or support contact for the “System Trace Audit Number” itself.

Bank Statement Variations

1 known variations

These are the raw merchant codes that appear on bank and credit card statements that we've identified as belonging to Unknown Merchant (System Trace Audit Number Entry).

  1. SYSTEM TRACE AUDIT NUMBER: 199470

Frequently Asked Questions

Is “SYSTEM TRACE AUDIT NUMBER: 199470” a real merchant or company that charged my card?

No. A System Trace Audit Number (STAN) is an internal transaction reference used by banks and payment processors. It is not a merchant or company; it simply helps your bank look up the details of a specific transaction in their systems.

How can I find the actual merchant associated with this System Trace Audit Number?

Check the surrounding lines for the same date and amount in your online or paper statement. Then contact your card issuer’s customer service and provide the transaction date, amount, and the STAN (e.g., 199470). They can use it to retrieve the transaction details and confirm the true merchant name.

Why is there a separate line with only a System Trace Audit Number on my statement?

Some banks display STANs as separate informational lines when showing pending items, reversals, disputes, or technical adjustments. It may appear as its own entry even though it only references another underlying transaction rather than representing a new charge.

Does the System Trace Audit Number itself mean I was charged twice?

No. The STAN is just an internal identifier. While it may appear as a separate line, it typically does not represent an additional debit. Compare the total debits for that day and contact your bank if you suspect a duplicate charge so they can verify using the STAN.

Who do I contact if I don’t recognize a transaction that lists a System Trace Audit Number?

Contact your card issuer (the bank or company on the front of your card) using the phone number on the back of your card or in your banking app. Provide the date, amount, and the System Trace Audit Number so they can find the transaction, confirm the merchant, and help you dispute it if necessary.

Can I use the System Trace Audit Number to look up my transaction online?

Consumers generally cannot look up a transaction directly with the STAN. It is intended for banks, processors, and card networks. You’ll need to work through your card issuer’s customer service, who can use the STAN in their internal tools to locate the transaction.

Why does the System Trace Audit Number look different from my authorization code or reference number?

Payment messages often contain multiple identifiers—authorization codes, retrieval references, and STANs—each serving a different internal purpose. The System Trace Audit Number is just one of these fields and may not match the shorter codes you see on merchant receipts.

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