Billing Type

Hello Team,

Need your help in one of the issue in regards to the Billing type, In our business scenario we are creating the sales order from Services request from which we further access in OM with status as 'Entered'. Now one order can have multiple lines with different billing type like Material, Labour, Expenses, Misc although we correctly select the lines on SR form according to the billing type as we can see the billing type there or Service activity code. But once they comes in OM against the order we don't have the option for the billing type or SAC