Use this tab to view or modify the references given to other objects, such as purchase orders, advance invoices, sales contracts, etc. Values will be shown if the customer order is already connected to another object. New values can be entered or existing values can be deleted for the project ID, to connect or disconnect a project from the customer order. You can also connect a sales contract to the customer order in the Sales Contract Reference area. The SM Connection check box will be selected if a service request has been created, the Schedule Order check box will be selected when a customer schedule is connected, and the Advance Invoice check box will be selected if an advance invoice is connected.