Billing for inventory work will be charged to the service order of the stock item.

1. Set a service order on your stock item.
   
2. Link a Billing item to a stock action.
   
3.  After you complete stock actions in vintrace on the stock item, the Service charges screen is displayed. In the example below, a stock dispatch was performed on multiple stock items that are linked to a service order and billing item.
   
4. In the Service order screen the billing is shown per batch per service order.
   

After you have generated your charges, you can create invoices for them.

Click here for more details on how generate invoices for your charges.