Description
In certain situations the tax display could be recalculated and show incorrect values on order_info page. We have removed the additional recalculation when selecting a shipping method to avoid this problem.
 
Solution
Download the updated version of the file:
http://www.viart.com/downloads/ordering-4.0.8.js.zip
 
Further, extract 'ordering.js' file into 'js' folder of your shop replacing the existing file. Please do not forget to make a backup copy of the current file in case something goes wrong.