Ireland invoice requirements: what an Irish VAT invoice must show

Revenue lists the details every VAT invoice must carry. Invoices to EU and US customers need extra notes, and they must be issued by the 15th of the month after the supply.

Alexia M.Comparisons and market guides editor

Published: 21 August 2026
Reading time: 1 min read

"Ireland invoice requirements" and "ireland vat invoice requirements" are Google's top suggestions after "Ireland invoice". Missing fields delay payment, because customers' finance teams send the invoice back.

Fields

Field	Notes
Invoice date
Unique sequential number
Supplier name, address, VAT number
Customer name and address
Description and quantity
Unit price excluding VAT
VAT rate and amount	By rate
Date of supply
Total

By customer

EU business: customer VAT number, no Irish VAT, reverse charge note.
US or UK business: services generally outside Irish VAT; note the basis.
Invoice in another currency: Irish VAT shown in euros.

Timing

Issue VAT invoices within 15 days of the end of the month of supply.

Payment details

Give EU clients an IBAN, US clients USD details and UK clients GBP details. Each pays on its own rail.

Paying into Ireland: the local rail

What	Detail
Local rail	SEPA Instant Credit Transfer
Run by	European Payments Council scheme, run by each bank
Settlement	Under ten seconds, 24/7
Published fee	By the EU Instant Payments Regulation, no more than the bank charges for a standard SEPA transfer

Source: European Payments Council: SEPA Instant Credit Transfer. Checked when this guide was last updated; the scheme's own page has the current figures.

Where Rivet fits

Rivet gives Irish companies EUR and GBP details on Growth and USD on every plan, and Rivet's invoicing puts those details on each invoice and tracks payment. Rivet is not a bank; regulated partner institutions hold the funds. See how to invoice international clients.

Questions people ask

What must an Irish invoice include?

The details Revenue lists: date, number, supplier and customer details, supplier VAT number, description, quantity, unit price, VAT rate and amount, and the date of supply.

When must I issue the invoice?

Within 15 days of the end of the month in which the supply was made.

Can I invoice in dollars?

Yes. If Irish VAT applies, show the VAT amount in euros.

How long do I keep invoices?

Six years, generally.

Sources

Written by

Alexia M.

Comparisons and market guides editor

Alexia compares the accounts, cards and payment tools companies weigh before they switch, and writes Rivet's market guides for founders in a specific country. Prices in Alexia's comparisons come from each provider's own pricing page on the date given in the article, rules come from the regulator or tax authority that sets them, and every source is listed at the end.