Source: https://rivet.global/blog/ireland-invoice-requirements
Published: 2026-08-21 · Updated: 2026-08-21 · By Alexia M.

# Ireland invoice requirements: what an Irish VAT invoice must show

What an Irish VAT invoice must include: supplier and customer details, VAT number, sequential number, description, rates and amounts, reverse charge notes and timing.

## Key takeaways

- An Irish VAT invoice must show the date, a unique sequential number, the supplier's name, address and VAT number, the customer's name and address, a description, quantities, prices, VAT rate and amount.
- Reverse-charge invoices to EU businesses add the customer's VAT number and a reverse charge note.
- VAT invoices must be issued within 15 days of the end of the month of supply.
- Records are kept for six years.

"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](https://www.europeanpaymentscouncil.eu/what-we-do/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](/blog/how-to-invoice-international-clients).

## Questions

### 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.