Update Earliest Unlimited Supply Date
Explanation
This activity is used for updating the earliest unlimited supply date in the 
inventory part.
Prerequisites
	- An inventory part and primary supplier must exist.
- The planned delivery date must be later than the wanted delivery date.
System Effects
As a result of this activity, the Earliest Unlimited Supply Date field 
in the inventory part is updated with the planned receipt day + one workday.
Window
Purchase 
Order
Related Window Descriptions
Purchase Order
Purchase Order/Part Order Lines
Procedure
	- In the Purchase Order window, click the Part Order 
	Lines tab.
- Select the required line, right-click and then click Update Earliest 
	Unlimited Supply Date.
- The Earliest Unlimited Supply Date field in the inventory part is 
	updated with the planned receipt day + one workday.