Does a new PO line get created when using the Return to Supplier for Credit functionality?

Summary:

We are considering enabling the Return to Supplier for Credit functionality and the release notes don't provide much detail on how the PO is impacted. When creating a Return, does a new line get created on the PO with negative values? Or does the specific PO line get updated with the new quantity and amount? Any feedback and screenshots are appreciated.

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Version (include the version you are using, if applicable):

Oracle Fusion

Code Snippet (add any code snippets that support your topic, if applicable):