Ireland to Introduce Mandatory E-Invoicing for Domestic B2B Transactions from November 2028

31 October 2025

Ireland has confirmed plans to implement a mandatory electronic invoicing regime for business-to-business (B2B) transactions, starting 1 November 2028. This makes Ireland the latest EU member state to adopt e-invoicing as part of broader efforts to modernize VAT compliance.

Initially, the requirement will apply to resident businesses selling to other VAT-registered businesses within Ireland, and under the new system affected businesses will report their sales to the Irish Tax and Customs authorities via the Peppol e-invoicing platform, rather than sending invoices directly to customers.

The primary aim of this regime is to combat VAT fraud by giving tax authorities real-time visibility into when VAT is charged and collected.

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