Have you assigned your 7XXXXXXX as one of the payer for your administrator 8XXXXXXX in XD02...
Please try.
Note: Please be clear on your requirement--You can invoice on anything in this world if this was maintained in SAP as material or something..
Pl dont use words like property(What is Property--you need to inform)--which reduces the interest of members to help you out..
Phanikumar