{"api_version":"1","rule":{"code":"IE-VAT-MARGIN-001","title":"Margin-scheme endorsement","description":"A margin-scheme invoice must identify the applicable margin scheme.","severity":"error","ruleset":"irish-vat-invoice","ruleset_version":"2026.08.2","profiles":["full"],"effective_from":"2026-08-15","effective_to":null,"source":{"id":"revenue-vat-invoice","name":"Irish Revenue \u2014 information required on a VAT invoice","url":"https://www.revenue.ie/en/vat/vat-records-invoices-credit-notes/invoices/information-required-vat-invoice.aspx","accessed":"2026-08-15"},"applicability":"Applied when the invoice data identifies a margin-scheme transaction.","remediation":"Add the applicable margin-scheme endorsement and do not separately display VAT where Revenue guidance requires that treatment.","rule_url":"/rules/IE-VAT-MARGIN-001"}}