Tab allows you to enter Shipping Address within Purchase Orders Entry.  When you create a new PO, the billing address is automatically defaulted to values set in Facility Information,  Shipping Address tab.  You can edit the address here for the specific PO.

BUTTONS:

Set Shipping Address to Billing Address: Copies data entered on Billing Address Tab to Shipping Address

Set Shipping Address to Facility Default Shipping Address: Sets address to defaults set in  Facility Information, Shipping Address