What is VAT and How does it work?

Value Added Tax (or VAT) is an indirect tax which is applied on products and services that are sold in Saudi Arabia.

Value Added Tax
How can I get more information about VAT?
What Impact will VAT have on Number Booking service?
What Impact will VAT have on Virgin Mobile prepaid plans?
What is the VAT rate in KSA?
What services from Virgin Mobile does the VAT rules apply on?
Why do I have to pay VAT?