🇮🇪 E-invoicing mandate
E-invoicing in Ireland: deadlines and requirements
Every national e-invoicing milestone for Ireland, with the required format and the official source — checked on 28 Oct 2026.
Next deadline · 1 Nov 2028
Domestic e-invoicing for Large Corporates
—days
Timeline
1 Nov 2028Expected
Domestic e-invoicing for Large Corporates
—
days to go
VAT-registered Large Corporates Division businesses issue domestic e-invoices; all businesses must receive. Draft legislation.
Format: EN 16931
Source: Revenue1 Nov 2029Expected
Domestic e-invoicing for intra-EU traders
—
days to go
Extends issuance and reporting to VAT-registered businesses trading within the EU. Draft legislation.
Format: EN 16931
Source: Revenue
Frequently asked questions
- When does e-invoicing become mandatory in Ireland?
- Next: Domestic e-invoicing for Large Corporates on 2028-11-01 (expected, not yet final).
- Which e-invoice format is required in Ireland?
- EN 16931.
- Do I need Peppol in Ireland?
- Peppol is a common way to exchange EN 16931 e-invoices in Ireland. Check whether your customer is registered on Peppol before sending.