Mastercard organizes its chargeback reason codes into four main categories: authorization, card member disputes, fraud, and processing errors. The document lists various reason codes with specific descriptions, such as unauthorized transactions, processing errors, and cardholder disputes. Additionally, it provides contact information for Chargeback Expertz offices in the US and UK.

1. Elaboration
of MasterCard
Reason Codes
B Y C H A R G E B A C K E X P E R T Z

2. Master
Card
MasterCard uses the four
main categories to
organize its reason codes:
Authorization, Card
Member Disputes, Fraud,
and Processing Errors
(which MasterCard refers
to as Point-of-Interaction
Errors).

3. All Codes is here
4807: Warning
Bulletin File
4808
Requested/Requir
ed Authorization
Not Obtained
4802:
Requested/Requir
ed Item Illegible
or Missing
4801: Requested
Transaction Data
Not Received
4812: Account
Number Not on File
4831: Transaction
Amount Differs
4834: Duplicate
Processing
4835: Card Not
Valid or Expired

4. MasterCard Codes
4837 No Cardholder
Authorization
4847: Exceeds
Floor Limit – Not
Authorized and
Fraudulent
Transaction
4849: Questionable
Merchant Activity
4850: Credit
Posted as a
Purchase
4853: Cardholder
Dispute –
Defective/Not as
Described
4840: Fraudulent
Processing of
Transactions
4841: Cancelled
Recurring
Transaction
4846: Correct
Transaction
Currency Code Not
Provided

5. MasterCard Codes
4854: Cardholder
Dispute – Not
Elsewhere
Classified
4860: Credit Not
Processed
4863 Cardholder
Does Not
Recognize –
PotentialFraud
4862 Counterfeit
Transaction
Magnetic Stripe
POS Fraud
4855 Non-Receipt
of Merchandise
4857 Card-
Activated
Telephone
Transaction
4859: Addendum,
No-show, or ATM
Dispute

6. US HQ
10300 49th Street N Suite 427
Clearwater, Florida 33762
UK HQ
45 Rosehaugh Road Inverness
Inverness-Shire IV3 8SW
+1 (844) 465 - 4723
app@chargebackexpertz.com