How to change VAT in Sage Line 50
One of the most frequently asked questions is how to change the VAT rate in Sage Line 50. 

The best way is to create a new tax code, e.g. T2 as 15% and change the defaults on suppliers and customers to the default code T2 on Monday 1 December.  After 13 months change the suppliers and customers back to using T1.

If you change the default tax rate, T1 to 15% then credit notes on existing invoices will show the wrong rate!

To  do this:
  1. Go to menu Settings->Configurations and select Tax Code Tab.
  2. Create a new tax code, e.g. T2 as 15%.
  3. Change the default tax rate for suppliers and customers to code T2
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