A value-added tax (VAT) is a consumption tax placed on a product whenever value is added at each stage of the supply chain, from production to the point of sale. The amount of VAT that the user pays is on the cost of the product, less any of the costs of materials used in the product that have already been taxed. In some countries its known as a goods and services tax (GST), is a type of tax that is assessed incrementally.

Note that
1. When the checkbox under Charge VAT? option above is not ticked, no VAT will be charged on that transaction .

2. Also when the option Charge VAT is ticked the system will always remind the user at login to set the VAT General Ledger accounts if they are not set. 

3. Also ensure that the VAT to be charged has been defined under Support Files/VAT rates for the system to levi VAT on the specified charge categories.

4. VAT can be charged by products.

To get here, go to menu System/Configuration/Loan Product Settings/VAT Settings. The VAT page looks as follows: 

Click on the Save button to save the changes and on the Close button to exit the menu.