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E-invoicing requirements in

Greece

Explore the latest electronic invoicing, reporting and archival requirements.

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Greece

Regulations

Electronic invoicing requirements

Technical requirements

Platform - GSIS
Format - EN compatible
Archival period - Minimum 5 years

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B2G mandates

Receiving - All public bodies
Issuing -
- By the end of 2023 - Suppliers to major governmental agencies
- Jan 2024 - Suppliers to central administrations
- Jun 2024 - Suppliers to other contracting authorities/contracting bodies
- Sep 2025 - Other expenses to the government to be invoiced electronically

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B2B mandates

From Q1 2026 - mandatory B2B e-invoicing expected
The B2B CTC implementation has been delayed. Although the system was initially expected to go live in 2024, there has been no official confirmation of a precise launch date yet.

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E-reporting and e-ledgers mandate

All businesses and other entities keeping accounting records pursuant to the GAS and other legal provisions
Submission of Standardised Accounting Source Document Data

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