Card terminal integration and order slips: what applies to hospitality in Greece
For restaurants, tavernas and cafés with tables in Greece. It describes the situation as of 13 October 2026.
Last updated: 13 October 2026
Linking the card terminals to the till
Every business that makes retail sales must have all its card terminals (POS) linked to its till system. Businesses that sell only wholesale don’t have this obligation (circular E.2044/2024).
AADE, the Greek tax authority, has set two ways to make the link:
- for cash registers, with the protocol in decision A.1098/2022,
- for ERP software and providers, with the protocol in decision A.1155/2023.
In practice, the till sends the amount of a card payment to the terminal, and the payment is tied to the document that was issued.
IRIS payments
Since 1 December 2025, retail businesses must accept payments through IRIS, the instant payment service of the Greek banks (decision A.1147/2025). The integration specifications changed to match, with decision A.1160/2025.
Fines
The fines for card terminals that aren’t linked are set in article 63 of the Tax Procedure Code (law 5104/2024), and they are high: €10,000 for businesses with single-entry books and €20,000 for businesses with double-entry books, with increases for repeat offences.
The restaurant order slip
When you serve at a table, the order is recorded before the bill is paid. For these “open tables” there is the order slip. If the shop has no tables, a take away for example, it doesn’t issue order slips.
If you issue your documents through a provider, document type 8.6 “Restaurant Order Slip” applies (decision A.1126/2024). This slip:
- must carry a QR code,
- isn’t a sales document,
- must be sent to myDATA, where it gets a MARK (the registration number myDATA gives every document),
- is linked to the revenue documents within 24 hours.
If you use a restaurant cash register, the order slip comes from the cash register’s own procedure.
A practical point: in a 2025 decision, AADE held the business responsible, not the provider, for order slips that hadn’t received a MARK. It’s worth checking that your slips are being sent properly.
The options for a restaurant
- A restaurant cash register (known in Greek as ΦΗΜΑΣ, ΦΤΜ or ΑΔΗΜΕ Εστιατορίου), linked to the card terminals.
- Software that issues through a provider, linked to the card terminals with the protocol for ERP software and providers.
- An “All in One” device, which combines the till and the card terminal. Licensed providers offer them.
What to check in your shop
- Are all the shop’s card terminals registered and linked?
- Do you accept IRIS payments?
- Does every order slip get a MARK in myDATA?
- Are the order slips linked to the receipts for the same bill?
What to ask your accountant
- Which option suits my shop: a restaurant cash register, a provider or All in One?
- What fines apply to order slips that weren’t sent to myDATA?
How Flow does it
Flow issues order slips, receipts and invoices through the provider Oxygen and sends them to myDATA. If a document doesn’t go through, it sends it again on its own. It connects to Viva, myPOS, Nexi, Mellon, Worldline, Epay, EDPS and MyPay card terminals, and accepts IRIS payments.
Sources
Most of the sources are in Greek.
- AADE, Circular E.2044/2024 and the questions and answers of 20 June 2024 on linking card terminals
- AADE, Linking POS terminals and cash register systems
- AADE, press release of 17 November 2025 and Decision A.1160/2025 on IRIS
- AADE, Decision A.1126/2024 on the restaurant order slip
- AADE, All in One devices
- Article 63 of law 5104/2024 on the fines
This guide is for information only and doesn’t replace advice from your accountant.