In this video, learn how to apply different sales taxes on your invoices.
1. How does the value-added tax, or "VAT" work?
2. What is the right way to change the default sales tax that Odoo will apply?
By modifying the current default sales tax in Configuration -> Taxes. By editing the tax in view mode and checking "Default Sales Tax". By moving the tax to the top of the list in Configuration -> Taxes. By selecting the right tax as the default sales tax in Settings -> Invoicing (or Accounting) -> Taxes.