Ok, so I got all the details from UPS, including the access key, and I've re-run the eCart Checkout Wizard to include those details.
I added an item to the cart, proceeded to checkout, entered a billing and delivery address but no Shipping was added?
This can be replicated by adding the following item to basket, clicking the "Checkout" button and entering your billing and delivery information:
This is all linked to the Sage Pay test environment and you can use any of the following test cards should you wish to test the transaction:
You'll see that no Shipping is added though. Hope you can help.