{"api_version":"1","rulesets":[{"name":"structure","version":"1.1.0","title":"Document structure","description":"Required identifiers, dates, currency and safe parsing of supported structured invoice syntaxes.","source":{"name":"OASIS UBL 2.1 specification","url":"https://docs.oasis-open.org/ubl/os-UBL-2.1/UBL-2.1.html"}},{"name":"code-lists","version":"2026.08.4","title":"Controlled code lists","description":"Currency, country, payment, VAT category and document-type values checked against lists pinned by the deployed EN 16931 artefacts.","source":{"name":"CEN/TC 434 \u2014 EN 16931 validation artefacts 1.3.16","url":"https://github.com/ConnectingEurope/eInvoicing-EN16931/releases/tag/validation-1.3.16"}},{"name":"consistency","version":"1.3.1","title":"Cross-field consistency","description":"Readiness checks for related dates, currencies, payment details, electronic addresses, VAT exemptions and quantity units.","source":{"name":"CEN/TC 434 \u2014 EN 16931 validation artefacts 1.3.16","url":"https://github.com/ConnectingEurope/eInvoicing-EN16931/releases/tag/validation-1.3.16"}},{"name":"irish-vat-invoice","version":"2026.08.3","title":"Irish VAT invoice readiness","description":"Document-verifiable full, simplified and credit-note particulars published by Irish Revenue. Transaction facts outside the document are reported as undetermined.","source":{"name":"Irish Revenue \u2014 VAT invoice information","url":"https://www.revenue.ie/en/vat/vat-records-invoices-credit-notes/invoices/information-required-vat-invoice.aspx"}},{"name":"en16931","version":"1.3.16","title":"EN 16931 validation","description":"Official CEN/TC 434 Schematron validation artefacts applied to supported UBL and CII XML.","source":{"name":"CEN/TC 434 validation artefacts","url":"https://github.com/ConnectingEurope/eInvoicing-EN16931/releases/tag/validation-1.3.16"}},{"name":"peppol-bis-billing","version":"3.0.21","title":"Peppol BIS Billing validation","description":"Official Peppol BIS Billing 3.0.21 document rules for selected or detected UBL invoices and credit notes; transport is not included.","source":{"name":"OpenPeppol \u2014 Peppol BIS Billing 3.0.21","url":"https://docs.peppol.eu/poacc/billing/3.0/upcoming/"}},{"name":"peppol-self-billing","version":"3.0.2","title":"Peppol BIS Self-Billing validation","description":"Official Peppol BIS Self-Billing 3.0.2 rules for UBL self-billed invoices and credit notes.","source":{"name":"OpenPeppol \u2014 Peppol BIS Self-Billing 3.0.2","url":"https://docs.peppol.eu/poacc/self-billing/3.0/upcoming/"}},{"name":"peppol-workflow","version":"2026.08.1","title":"Peppol workflow readiness","description":"Content-safe Invoice Response and SBDH document checks; no network delivery is performed.","source":{"name":"OpenPeppol \u2014 Invoice Response and enveloping specifications","url":"https://docs.peppol.eu/poacc/upgrade-3/"}},{"name":"ireland-modernisation","version":"2026.08","title":"Ireland VAT Modernisation readiness","description":"Published Irish eInvoicing direction; unpublished technical details remain pending.","source":{"name":"Irish Revenue \u2014 VAT Modernisation","url":"https://www.revenue.ie/en/vat/vida-vat-modernisation/index.aspx"}},{"name":"eu-cross-border-vat-readiness","version":"2026.08.1","title":"EU cross-border VAT readiness","description":"Document evidence for explicitly identified intra-Community supplies; external evidence remains outside-document.","source":{"name":"Irish Revenue \u2014 zero rate on intra-Community supplies","url":"https://www.revenue.ie/en/vat/goods-and-services-to-and-from-abroad/intracommunity-supplies/supplies-of-goods-to-businesses-in-the-european-union-eu.aspx"}},{"name":"arithmetic","version":"1.2.0","title":"Invoice arithmetic","description":"Exact-decimal consistency checks for line calculations, adjustments, VAT breakdowns, totals, prepayments, rounding and amount due.","source":{"name":"CEN/TC 434 \u2014 EN 16931 validation artefacts 1.3.16","url":"https://github.com/ConnectingEurope/eInvoicing-EN16931/releases/tag/validation-1.3.16"}}]}