Document structure
Safe XML and recognised UBL 2.1, CII D16B, or canonical JSON structure.
What is checked
Irish VAT invoice readiness
A conservative subset of information published by Irish Revenue.
EN 16931 readiness
Supported XML uses official CEN/TC 434 validation artefacts. Canonical JSON receives readiness checks only.
Phase 1 capabilities
A separate non-persistent assessment covers published sending, receiving, processing and scope statements.