Which documents will need to be exchanged by EDI (GM Only)?

For FSV core product, just the Contract. For Direct & International Direct Deliveries, Contract, PO, PO Amendment, Invoice MUST be submitted via EDI, Invoice acknowledgement, Dr / Cr memo. For FSV Outlet, PO, PO Amendment, Self-bill Invoice, Self-Bill Cr / Dr memo. For more detail on these please see The M&S EDI Solution for Trading Partners page.