Third Party Scenario with Shipping

Hi Experts,

Need ur Valuable suggestion on this.

I Have 2-Company Codes 1000 and 2000 and we have External Vendor "X"

1) 1000 Comapany Code procures the material from External Vendor "X" on BEHALF-OFF Company Code 2000.

2) 1000 Company Code will have a Certain Margin for the material procured from External vendor on Behalf of 2000 Company Code.

And the invoice will be raised by External Vendor to 1000 Company Code for which the 1000 Company Code will Process. And 1000 Company Code will raise a invoice to 2000 Company Code.

1) How to process the invoice generated by External Vendor to Comapny Code 1000 without actual goods recieved by that company code ?

2) How to process the invoice generated by 1000 Company Code for which the actual Goods recieved supplied by External Vendor ?

How this can be mapped in SAP ? with via " Third Party Shipping "

Best Regards

Javeed