I did the changes as you indicated and it's not working. Probably due to this, since I am not sure where exactly it goes:
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QUOTE from your reply:
on the confirm page, locate the other hidden form element, and add a new one to capture the value posted from the checkout page:
PHP Code:
<input name="UPS_Service" type="hidden" id="UPS_Service" value="<?php echo((isset($_POST["UPS_Service"]))?$_POST["UPS_Service"]:"") ?>" />
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You say 'locate the other hidden form element', which other?
I really appreciate your help.