Can I avoid duplicating expenses when using an Expense E-receipt?

Summary:

Can I avoid duplicating expenses when using an Expense E-receipt?

Content (please ensure you mask any confidential information):

We have recently enabled the E-Receipt functionality in Fusion UAT. Could you please clarify how this feature interacts with credit card transactions that are automatically uploaded to a user's Fusion account from the bank, without an attached receipt?

Use case:
A credit card transaction is uploaded to Fusion. The user receives the receipt via email and forwards that email with the attached invoice to Fusion. In this scenario, will Fusion recognize and match the forwarded e-receipt to the existing transaction, or will it create a duplicate entry?