MasterCard ve Visa Chargeback Reason Codes Requiring a Cardholder Letter and/or Supporting Documentation kodları ve açıklamaları altta yer almaktadır. Visa:30 Service or Merchandise not rendered41 Canceled recurring transaction53 Not as described \Defective merchandise57 Fraudulent processing of transaction62 Counterfeit transaction76 Credit posted as a purchase (sometimes)81 Fraudulent transaction, Card Present Environment82 Duplicate processing (sometimes)83 Fraudulent transaction, Card Absent Environment85 Credit not …