JPMorgan Chase & Co. Credit Card Complaint

JPMorgan Chase & Co. Credit card department,

Transaction issue New York

I obtain a car rental in - - from -. I pay for the rental via my Chase credit card. The transaction was processed in US dollars instead of - using - - -. This was done without my approval or knowledge. I did not sign anything authorizing the merchant 's made up inflated exchange rate. I wanted the transaction converted via the - network, as specified in my cardmember agreement with Chase, and I was n't given the change to express my choice. I disputed the charge with Chase, and I 'm being told that because the transaction occured by chip, and not swipe, my signature is not required to uphold the charge. The merchant violated - International rules and Chase refuses to process a chargeback to the merchant.