The new accident report transaction, identified by ID BT01_BD01, represents an accident report that is shared by the Emergency Call Center with the partner(s) that are involved in one way or another. In our case, this is the auto leasing company from whom you leased your car.
The receiving partner, AutoLease, needs to acknowledge the message (BT01_BD02) or send back an error (BT01_BD03) when one or more business rules are not met, for example, an unknown vehicle or driver/owner. The following diagram shows the complete interaction: