Software error gives BT $43 million VAT bill June 05 2005 X LinkedIn Email Show more sharing options Copy Link URLCopied! Print X LinkedIn Email British Telecommunications (BT) is £24 million ($43 million) out of pocket after a software error caused the group to overpay its value-added tax (VAT) bill Unlock this content. The content you are trying to view is exclusive to our subscribers. To unlock this content: Take a Free Trial or Login