Starting November 1, 2025, a new system for electronic payments comes into effect in Greece, as all businesses – regardless of size or sector – are required to accept payments through the IRIS service, Parapolitika reports.
According to the new regulations, businesses must support payments either through POS terminals with integrated IRIS capability or by using QR codes. After the changes to IRIS payments, customers will scan the code through their chosen banking app, completing the transaction instantly without any fees.
It should be noted that IRIS offers instant account-to-account payments, facilitating both consumers and businesses. At the same time, it contributes to strengthening tax transparency, as the Independent Authority for Public Revenue (IAPR) will monitor business compliance with the new obligation.
Money transfers through the system are structured as follows:
. Up to 500 euros daily for transfers between individuals (IRIS P2P).
. Up to 500 euros daily for payments from individuals to professionals (IRIS P2B).
. Total maximum amount per day: 1,000 euros.
It should be noted that P2P transfers are provided free of charge for the sender, while P2B payments involve a small commission for the professional. P2B transactions are now mandatory to be processed through POS terminals, based on legislation that provides for heavy fines for violators.
According to the new legislative framework, every business that accepts IRIS-type payments must process them through a POS terminal, which connects either to a fiscal mechanism or to IAPR systems. Any other payment method is considered irregular and incurs heavy fines.
The regulation affects thousands of professionals, stores, retail and restaurant businesses, which until now accepted direct money transfers without tax documentation through POS systems.
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With IRIS P2P, users can send and receive money instantly, from mobile to mobile, without needing an IBAN – anytime, 24/7/365 – backed by the reliability and security of the interbank infrastructure.
The remarkable adoption of IRIS P2P is evident in the numbers:
. The user base has increased nearly sixfold in less than five years – from around 700,000 at the end of 2020 to over 4 million today.
. The volume of transactions reached 68 million in the first eight months of 2025, compared to just 787,000 during the same period in 2020 – a growth of nearly 86 times.
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