Work Order Billing Source to choose Specific Work Order Types from interface and create different

Dear all,

            Can we create user defined AR Transaction Source for Work Order Billing like for eg. Accident Work Order Billing, Repair Work Order Billing etc. so as to attach different AR Transaction Type for each different source. We need to create different Invoices for different source of work orders. If it is possible then how do we link the AR Transaction Source to fetch the Work Orders having that Specific type ie. Work Order Type.

AR Transaction Source              AR Transaction Type(Invoice)

Accident WO                                   Accident Invoice

Repair WO                                       Repair Invoice

Work Order Billing Source  to  choose  Specific Work Order Types from interface  and create different AR Invoice Types based on the work order types.