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Change Action to R Flag entry on Summary screen and do valid changes on a PSC based on Appendix and bottom of this document.
If your changes are at Header level, move to the Invoices tab to include Post Summary Reasons of change on the Header Level.
To include changes on Level Line, enter to invoice screen and select line modified to input reasons codes, click on the “PSC Reason” button.
Now you can trasmit entry.
Response must be a Under Review message.
After review CBP send a new message with Acceptance or more information request.
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