what is a chargeback or reverse transaction 
a chargeback sometimes referred to as a reverse transaction is much like a refund in that customer gets their money back in this case by having it credited to their credit or debit card account these transactions can be initiated willingly by the merchant or forced on them by the cardholder or card issuer for example if a customer claims that a product was faulty and the merchant refused to take it back they can ask their card issuer that the charge be reversed 2 merchants can also dispute a chargeback 