Reference
Validation
Process of checking an e-invoice against syntax rules and business rules.
Explanation
Syntax validation checks XML structure against a schema.
Business rule validation checks requirements like totals, identifiers, and code lists.
This article treats Validation as a practical reference, not just a navigation page. It explains the term or workflow in context, shows why it matters for European e-invoicing, and connects the topic to invoice creation, validation, routing, archiving, and ERP implementation decisions.