Document structure
structure 1.1.0
Required identifiers, dates, currency and safe parsing of supported structured invoice syntaxes.
Versioned and source-traceable
Validation rulesets
Every report names the ruleset versions used. Versions can evolve without changing the stable v1 API format.
Irish VAT invoice readiness
irish-vat-invoice 2026.08
A conservative implemented subset of invoice particulars published by Irish Revenue.
Authoritative reference: Irish Revenue — Information required on a VAT invoice
EN 16931 validation
en16931 1.3.16
Official CEN/TC 434 Schematron validation artefacts applied to supported UBL and CII XML.
Ireland VAT Modernisation readiness
ireland-modernisation 2026.08
Published Irish eInvoicing direction and Phase 1 readiness; unpublished technical details remain pending.
EU cross-border VAT readiness
eu-cross-border-vat-readiness 2026.08.1
Invoice evidence checks for explicitly identified intra-Community supplies; transport, VAT-number validity and VIES filing remain outside-document checks.
Authoritative reference: Irish Revenue — zero rate on intra-Community supplies
Invoice arithmetic
arithmetic 1.1.0
Decimal consistency checks for line amounts, VAT breakdowns and document totals.
Authoritative reference: European Commission — compliance with the eInvoicing standard
These are readiness checks, not legal certification. See the evidence register or machine-readable rulesets.