Build the ordered syntax, semantic, national, security and authority checks needed for a selected country.
Readable bytes, expected extension, no truncation, stable SHA-256 evidence.
Parse and apply the relevant syntax schema: JSON, XML.
Check invoice parties, dates, lines, taxes, totals, references and payment data.
EIS / electronic invoicing and sales reporting format or profile signals · Local tax/business identifier structure · Core invoice fields and arithmetic consistency
Validate national taxpayer and recipient identifiers.
Review QR, hash, signature or certificate requirements.
Submit or route through Tax-authority clearance, registration or reporting platform. and preserve the official response.
Build the ordered validation layers needed for a country, from file integrity and syntax through security and official outcome.