Greece extends mandatory electronic billing to more businesses
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From October 1, 2026, Greece’s Independent Authority for Public Revenue (AADE) will require more businesses to use electronic billing.
This second and final phase includes companies with gross revenues up to 1 million euros, bringing nearly all businesses into the digital system. The measure applies to wholesale transactions between businesses, both within Greece and with countries outside the European Union, as well as transactions with public sector entities. The Greek government previously mandated electronic billing for larger companies.
Now, smaller businesses must also comply with the new system for business-to-business (B2B) transactions. Businesses also need to use electronic billing for transactions with government agencies, unless they already have another electronic billing obligation. A transition period allows companies to continue using existing billing methods until December 31, 2026, provided they submit a required declaration to the myDATA platform. Starting January 1, 2027, electronic billing will be fully enforced, and older methods will no longer be accepted.
Businesses that do not comply face fines of up to 2,500 euros.
