How to handle Invoice with Discount Terms but has Discount allowance in EDI Feed?

Summary:

We have an Invoice with Payment term, for example - 2/10 NET 30.

When the Vendor sends us the Invoice, they include EDI Code for Discount Allowance of 2%.

What is happening is that, when the Invoice is picked for processing, we are taking the EDI Discount allowance as well as the discount in the Payment terms.

What should be the best practice to handle such scenarios?

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