{"api_version":"1","rule":{"code":"CONSIST-014","title":"Zero-rate VAT categories","description":"VAT categories Z, E, AE, K, G and O must use a zero rate and zero VAT amount.","severity":"error","ruleset":"consistency","ruleset_version":"1.3.0","profiles":["full","simplified"],"effective_from":"2026-08-15","effective_to":null,"source":{"id":"en16931-validation","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","accessed":"2026-08-15"},"applicability":"See the rule description and selected invoice or technical profile.","remediation":"Add or correct the referenced structured invoice data.","rule_url":"/rules/CONSIST-014"}}