It should be possible to issue / generate the sales invoices for all the sales orders added to an outbound load.

System currently allows to generate the delivery notes but it should be possible to generate the sales invoices too - Distribution companies usually issue invoices immediately such that these are given to truck drivers for collection of payments upon delivery.  At the moment users must navigate to different forms to issue these invoices as well as it is difficult to issue / generate / post sales invoices by Load number.  When multiple trucks are leaving a Distribution Centre the truck drivers need to be given their invoices in a quick and easy fashion