Reason code

American Express reason code S02 indicates that Amex has reviewed the documentation submitted by the merchant in response to a dispute and has decided not to proceed with a chargeback. This means the merchant’s evidence was deemed sufficient, and no funds will be debited from their account.

This reason code is essentially a resolution notification in the merchant’s favor. No further action is required, but it’s a helpful confirmation that the case has been closed successfully based on the support provided.

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No action is required—Amex has reviewed your documentation and ruled in your favor:

• Retain a copy of the resolution notice for your records
  
  
• Ensure your documentation practices remain consistent for future disputes
  
  

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Maintain high-quality documentation to continue avoiding chargebacks:

• Always collect and store signed agreements, receipts, and fulfillment records

• Respond to disputes quickly and thoroughly to strengthen your position