Navigate to 'Documents' > 'Maintenance' > 'Delivery Methods'
Click on the Add New 
icon to add a 'Delivery Method'.
Specify the 'Name' of the Delivery Method.
Checking the 'Is Validate Delivery Address' check box makes it a requirement that the Delivery Address is provided when using this Delivery Method.
Click the 'Save' button 
to add the 'Delivery Method' to the system.