Greece's MIDA system to impose up to €1,000 penalties for inaccurate property use declarations

A new digital Property Registry and Management System (MIDA) is set to launch in early July in Greece. All property owners must record the use of each property in the system. Failure to submit a use declaration within three months of a lease or free allocation incurs a €500 fine; inaccurate information that does not affect subsidy claims attracts a €100 fine, while false data used to obtain subsidies or other state benefits can lead to a €1,000 penalty.

The legislation also changes the ENFIA property tax from 2027 onward: the tax will be calculated on the actual floor area verified through the Electronic Building Identity, reducing tax for properties whose true size is smaller than previously declared and increasing it where the size is larger. No retroactive penalties are applied for past discrepancies. The new rules require that the basic property data (E9) be entered before a use declaration can be filed in MIDA, creating a unified digital file linking ownership and usage.

The measures were approved in a multi‑bill package passed by the Greek Parliament and await final implementation details from the Independent Authority for Public Revenue (AADE).