MASTERCARD Chargeback Reason Code Reference

01     Requested transaction data not received
02     Requested/required item illegible or missing
07     Warning bulletin file
08     Requested/required authorization not obtained
12     Account number not on file
31     Transaction amount differs
34     Duplicate processing
35     Card not valid or expired
37     No cardholder authorization
40     Fraudulent processing of transactions
41     Canceled recurring transaction
42     Late presentment
46     Correct transaction currency code not provided
47     Exceeds floor limit-not authorized and fraudulent transaction
49     Questionable merchant activity
50     Credit posted as a purchase
53     Cardholder dispute-defective/not as described
54     Cardholder dispute-not elsewhere classified
55     Non-receipt of merchandise
57     Card-activated telephone transaction
59     Services not rendered
60     Credit not processed
62     Counterfeit transaction magnetic stripe POS fraud
63     Cardholder does not recognize-potential fraud