And for others who aren't aware - the standard Visa threshold is 1%. [1] Supposedly with a warning at 0.75% from Visa and at 0.5% from Mastercard. If you go a

And for others who aren't aware - the standard Visa threshold is 1%. [1] Supposedly with a warning at 0.75% from Visa and at 0.5% from Mastercard. If you go above that, Visa reserves the option of "potential disqualification from the payment system" [2]. That is, you can be banned from accepting Visa cards ever again. [1] https://www.braintreepayments.com/blog/changes-to-visa-chargeback-and-fraud-monitoring-programs/ https://www.braintreepayments.com/blog/changes-to-visa-charg... [2] (see "Chargeback Compliance Program") https://www.citibank.com.sg/gcb/credit_cards/pdf/Fraud_Chargeback_Compliance_Program_May2010.pdf https://www.citibank.com.sg/gcb/credit_cards/pdf/Fraud_Charg... [PDF]