Chargebacks & Disputes FAQ

Where does TC40 data come from?

Issuers file a TC40 claim every time a cardholder claims fraudulent activity. These reports are sent to card brands on a daily basis, and shared with other issuers, acquirers and merchants. Encompassing all claims of fraud (not just chargebacks), TC40 data can help merchants identify their fraud risks and adjust their policies and strategies to guard against fraudulent activity.

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