The following checks are sequenced.
Each step must be complete (correct) before the next action can be performed.
For example.
If the ready to process flag is not true, there is no need to check further steps
Ensure the Ready to Process Flag is set to true on the order summary.
Check all sales order lines have a po linked.
Check the linked purchase order has a sales order reference.
Check that there are no pending incoming intercompany po suggestion's
Check that the Auto Accept Inter Comp PO is selected.
Ready To Process
Purchase Order - External sales Order Link
Incoming intercompany PO Suggestions
Auto Accept Inter Comp PO Customer Attribute