Visa Chargeback reason code 72 is applied when merchant didn’t take approval before the transaction or obtained it after the transaction date. You take approval before processing, right? If you have been accepting credit cards, you must have learned what will happen if you don’t. This reason code is assigned when transaction received was above merchant’s floor limit, for which authorization wasn’t obtained, or it was obtained using incorrect or invalid transaction data. Reasons for Visa Chargeback Code 7 There was a tip included in authorization amount, or in simple the amount of transaction was authorized, but the tip was included without permission. Authorization for the bar, taxicab, beauty shop, limousine, restaurants, and barbershop transactions are valid automatically, including 20 percent, to protect merchants from chargeback when the dispute is initiated by the cardholder. It is also valid up to 15 percent for entertainment and travel merchants. Preventing Charg...