This is emanuel from hyderabad SAP SD consultant, well can we do billing with reference with purchase order. for exampl.:-
One company code -1000, and two plants one is 1000 and another one is 2000
suppose 1000 plant raise the purchase to plant 2000 to do service. once the service is completed by 2000 plant is going to rasie the bill to 1000 plant. is this can be possible it or not please tell me.