QUOTE(LuckyBai @ Jun 1 2023, 08:37 PM)
If you don't want to accept AMEX, just contact the merchant acquirer provider to disable the acquiring facility. This would ensure any attempts to make use of AMEX would be unsuccessful.However, definitely agree that if the merchant has indicated clearly "No AMEX" prior to payment and the payer forced an AMEX payment through, the merchant should be allowed to void the transaction. But not enabling the AMEX facility would prevent this scenario from happening in the first place which avoids unnecessary conflicts.
It might be unfair to void transactions if the merchant has not indicated "No AMEX" prior to payment as some consumers may decide where to spend based on the merchants' acceptance of AMEX.
AMEX typically offers better rewards and has a loyal user-base which takes into consideration AMEX acceptance when choosing where to shop.
Jun 1 2023, 11:42 PM

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