I am sorry, I thought that I had replied to this but I believe I just did it using the email that came to me. I will copy that reply into here.
1. yes, Accounts Payable
2. I am not part of Procurement, but I believe the are GR based and our due date is based on GR posting date
3.GR first
4. I sent attachment in email. Looks like I cannot send attachment here. The business wants to be able to edit the MIRO aggregation so that rather than changing multiple lines with a price change because the shipment came in multiple boxes, they could just make the price change be what the vendor invoice says which is 1 line per material as long as the vendor invoice review proves it to be correct. I have an document that I sent to you in email or if that did not get to you, what email can I send it to you at.