Invoice format in Ireland: VAT invoice rules

Ireland invoice facts

What a Ireland vAT Invoice must show

11 fields, from the sources listed below.

• Date of issue
• Unique sequential invoice number
• Supplier name, address and VAT registration number
• Customer name and address
• Customer VAT number for intra-EU and reverse-charge supplies (VAT registration number, e.g. IE1234567T)
• Date of supply of the goods or services
• Quantity and nature of goods, or extent and nature of services
• Unit price excluding VAT and any discounts
• Amount excluding VAT for each rate (23%, 13.5%, 9% or 4.8%)
• VAT rate for each line (23%, 13.5%, 9% or 4.8%)
• Total VAT payable, in EUR

Sample vat invoice in EUR

The tool above uses these lines. Illustrative amounts in EUR, not market prices.

Worked VAT example in EUR

A net amount of €1,000.00 at each VAT rate of Ireland: the tax is the net amount times the rate, rounded to the currency's smallest unit.

Number, date and currency format (en-IE)

How en-IE writes amounts and dates, computed with the browser's Intl API; the invoice tool uses the same formatting.

Ireland invoicing rules

• A VAT invoice must be issued within 15 days of the end of the month in which the goods or services were supplied.
• Irish VAT numbers are IE followed by seven digits and one or two letters.
• The 13.5% rate covers items such as fuel and building work, 9% applies to a short list that includes newspapers, and 4.8% is used for livestock.
• Electronic invoices are accepted when the customer agrees and the authenticity and integrity of the invoice can be guaranteed.
• A credit note must refer to the original invoice and show the VAT being reduced.
• Keep invoices and VAT records for six years.

E-invoicing, simplified invoices and record keeping

How to make a vat invoice for Ireland

1. 1

   Set currency and format

   Choose EUR and the en-IE format so amounts read like €1,234.50.

2. 2

   Title and number

   Title the document "VAT Invoice" and number it in sequence, for example IE-2026-0088.

3. 3

   Your tax ID

   Enter your VAT registration number (format IE1234567T) in the seller details.

4. 4

   Add VAT

   Add VAT at 23%, or a reduced rate where the goods or services qualify.

5. 5

   Check and download

   Check the 11 required fields above, then download the PDF.

Sources

General information, not tax advice; checked October 2026. Rules change: confirm with the tax authority or an accountant before relying on them.