Add Valid Suppliers
Explanation
This activity is used to specify the suppliers 
that the freight map is valid for. 
This is used in direct delivery from suppliers.
Prerequisites
	- Required suppliers should have been 
	created. 
System Effects
	- The specified suppliers will be connected to the 
	freight map and can be used for direct delivery from suppliers.
	
Window
Freight Map
Related Window Descriptions
Freight Map
Freight Map/Valid for Suppliers
Procedure
	- Open the Freight Map window and query for the 
	required freight map and click the Valid for Suppliers tab. 
- Click New and enter the suppliers manually or select from the List of 
	Values. 
- Save when all required suppliers have been entered.