Hi,
Monique Stephens wrote:
While the PO has one company code/plant, is it standard SAP to generate a cross company code invoice.
Please check whether you have activated the Document spitting for company code, take a help of FI consultant
Also refer following thread for cross company invoice posting, it might help you,
Cross-Company/Inter-company transactions
http://wiki.scn.sap.com/wiki/display/ERPFI/Cross+company-code+invoice+posting+and+configuration
Thanks