The tax engine in Odoo is very flexible and supports many different types of taxes: value-added tax (VAT), eco-taxes, federal/state/city taxes, retention, withholding tax, and so on. For most countries, your system is preconfigured with the right taxes when you start using Odoo online. The changes to the tax computation rules can be done in Odoo if your countries chart of account is not configured as per the current rules.
Let's see how to create a new tax, configure it to adapt the computation, how to choose default tax at the time of a product sale, and the most important how to choose different taxes for the local and export customer, at the end let's see how to get the tax report.