Fiscal subject related
In case of loss of interconnection with the digital platform myDATA, which is proved by the obliged entity by any appropriate means, the data of the issued accounting data are transmitted without delay with the restoration of the interconnection, with the indication "Loss of Interconnection". The obliged entity must take all necessary measures to avoid a further loss of interconnection and as well prove to the authorities that the interconnection was not working properly at the time of unachieved transmission.
In any case, the data are transmitted no later than two (2) days from the deadline for their transmission, either from the transmission channel that was issued or initially transmitted unsuccessfully, or from the business management programs (commercial/ accounting, ERP), or the special registration form if the limits of its use are observed.
The above procedure for the transmission of data to the myDATA digital platform per transmission channel will apply to all cases of Document Types provided in the Anexx of the
above-mentioned Decision.
Other news from Greece
New document was uploaded: Technical country overview - Greece

This document addresses all the technical details regarding the fiscalizaton process in Greece. In this presentation, we deal with topics such as - Country overview - Fiscal concept overview - Overview of fiscal printers - Integration of fiscal printer - Error handling Read more
End of intra-model European electronic invoice and new rules introduced
Starting July 1, 2030, the EU will eliminate the Intra models for VAT reporting, replacing them with mandatory electronic invoicing under Directive 516/2025. The new system, part of the VIDA 2030 Package, will require businesses to issue standardized e-invoices for all intra-EU B2B transactions, with data transmitted to VIES for cross-border VAT monitoring and fraud prevention. This shift aims to... Read more
Understanding the Digital Services Act
The Digital Services Act (DSA) is an EU regulation designed to ensure safer and more transparent online environments by imposing new responsibilities on digital service providers, including those outside the EU. It applies to a broad range of online platforms, with stricter obligations for very large platforms, but also key requirements for medium-sized businesses, such as EU representation, transparency, and content moderation reporting. Read more
What do recent Greece’s market reforms mean for certain retailer companies?

Greece is introducing a series of retail market reforms aimed at curbing inflation, enhancing consumer protection, and increasing price transparency, especially within the supermarket sector. Key measures include granting enforcement powers to the Consumer Ombudsman, extending the profit margin ceiling, regulating promotions, and enforcing the new Code of Conduct on discounts effective March 2025. Read more
What consumers and sellers need to know regarding the novelty of the IRIS payment system in Greece.

Starting November 1st, 2025, all businesses in Greece—including physical stores and e-shops—must accept IRIS payments, which allow consumers to instantly pay from their bank accounts via mobile phones, bypassing traditional card entry. POS systems must be software-upgraded to support IRIS, enabling fast, secure payments and automatic receipt issuance, enhancing tax transparency through integration with cash registers. Read more
New obligations and deadlines for the Instant Payment – IRIS system in Greece

Starting November 1, 2025, all businesses selling to end customers in Greece must accept IRIS instant payments under Law 5139/2025, aligning with European Regulation 2024/886. Businesses must also register and verify their professional bank accounts through the AADE Professional Account Registry before using them for IRIS transactions. Read more
Greece Plans to Allow Subsidies for Cash Registers and POS, Concerning the IRIS Direct Payment System

Greece is launching a subsidy program called "Digital Transactions" to help small and medium-sized businesses and freelancers upgrade their cash registers and POS systems in preparation for the expanded use of the IRIS payment system and upcoming electronic invoicing requirements. Read more