Quickbooks 2012 - terms and VAT bug

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Quickbooks 2012 users beware:
If you use a terms code that contains a discount, Quickbooks discounts the VAT on the invoice. This means, besides under charging your customers, your VAT will be incorrect.
As an example, if your terms code contains 2.5% discount if paid before a date, Quickbooks will calculate the VAT at 11.5% (14-2.5)

Quickbooks SA and the developer are aware of the problem and will let users know once there is a solution.

Whatever that means...