First things first, we should note that in QuickBooks Online, once the customer pays a sales receipt, they recognize it as Paid. If your member's credit card gets declined/denied after, you should see a reminder on the Homepage: Take Action - Fix declined credit card payments.

According to QuickBooks, to exclude a declined customer credit card payment: 

  1. Go to Transactions > Banking.

  2. On the For Review page, select the customer payment.

  3. Click the Batch Actions button and click Exclude Selected.

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