Greece E-Invoicing Solution:
Get Ready with Melasoft SAP Add-On
Greece is digitizing its tax system with mandatory e-invoicing and real time VAT reporting via the myDATA platform. E-invoices must be submitted in a predefined XML format, enabling the tax authority (AADE) to prefill VAT returns and improve transparency.
Greece has received EU approval to mandate B2B e-invoicing from July 2025, with implementation likely in 2026.
With our e-compliance experience in 30+ countries, Melasoft SAP Add-On offers a simple, reliable, and fully compliant solution tailored to your company’s needs.
E-Invoicing Regulation:
Who Oversees Compliance?
The Independent Authority for Public Revenue (AADE) governs e-invoicing in Greece. It operates the myDATA (My Digital Accounting and Tax Application) platform the central system for reporting sales, purchases, and ledger data.
The e-invoicing regime supports the shift to real-time tax monitoring, reducing VAT fraud and administrative burdens.
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Greece E-Invoicing Timeline
myDATA phased in for all VAT-registered businesses
Updates introduced for real-time reporting via ERP APIs
Greece requested EC permission to mandate B2B e-invoicing
EU Council approved Greece’s request (2026 (likely launch): Businesses are expected to go live with full compliance)
December 31, 2025
Validity period for mandatory
Facturation électronique interentreprises
E-Invoice Format and Technical Requirements
Greece’s e-invoicing system is based on standardized, structured formats aligned with European and national specifications.
Mandatory Formats:
- B2G (Business-to-Government): EN 16931-compliant using Peppol BIS 3.0 GR CIUS for submission via the Peppol network.
- B2B Clearance Model (via AADE): UBL 2.1 GR format required for direct reporting to the myDATA platform.
- B2B Exchange Model (via ASP): UBL 2.1 format used when transmitted through an Accredited Service Provider (ASP). If sent outside the ASP route, format is currently unregulated.
Technical Requirements:
- Submission in structured XML with predefined field mappings
- Full alignment with VAT codes, accounting rules, and General Ledger entries
- Secure archiving and retrieval for audits and legal access
- Transmission routes include ERP APIs, certified ASPs, or the Timologio tool
- Filing frequency: Monthly or quarterly, based on business size
- Deadline: Reporting must be completed by the 20th of the following month
B2G and B2B Invoicing
Workflows in Greece
For both B2G (public sector) and B2B (private sector) transactions:
- E-invoice is created in structured XML via ERP or e-invoicing provider
- Sent to myDATA for real-time reporting
- (For B2G): Also transmitted via Peppol
- Invoice matched against buyer’s data and ledger records
Five submission routes exist, including:
- Direct API from ERP (recommended for SAP users)
- Certified e-invoicing providers
- AADE’s free “Timologio” tool (limited functionality)
Benefits of Melasoft SAP Add-On for Greece
Melasoft’s SAP Add-On is built to meet Greek tax and legal requirements, offering:
Ready for e-invoicing in Greece?
Melasoft’s SAP Add-On is trusted by businesses across Europe to meet complex e-invoicing mandates with ease. Ensure full compliance with Greek regulations backed by our proven expertise and reliable technology.
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