Please suggest I have a new requirment software trading
1. service material
2. Contract--> billing
3. Charge heads ,
Instlation charges (One time)
Royelty chargess (Yearly)
Usage charges per person (Monthly)
My Question : How can I assign two different billing plan for a same material in a contract without repeeting the line item in contract with same mat code because I do not realy on user that he will put different item catagory correctly or not .