Taxes on invoices
Quick summary: Odoo starts with the product tax and maps it through the fiscal position according to the partner’s country and tax status.
In
- the partner country and correctly formatted VAT number;
- the VIES validation result for EU partners;
- the selected Fiscal Position on the invoice;
- taxes on each invoice line;
- the legal tax note in the invoice preview.
Fiscal positions are normally preconfigured. They define countries, tax-liability conditions, and mappings from domestic taxes. Do not change a fiscal position merely to fix one invoice; first verify the partner and product data.