Creating one 1099 IRSTAX file of all BUs

 HI,

We are implementing 9.2. The customer wants to create one IRSTAX file for all colleges with in state board. The AP processing is decentralized process i mean each colleges (BU) process payment as well as 1099 process of their vendor and sents the copy B form to their Vendor But State board want to create one IRSTAX file.

how this can be achieved. I know that we can setup the Withholding control and include all BU but if we include all BU, then the data will be consolidated. the colleges did not get the correct data of their Vendor. 

If we create Withholding control for each BU then college can process 1099 and send copy B form for their Vendor. but in this case we will have multiple IRSTAX file.