The Greek Public Revenue Authority (AADE) issued a release on 17 February 2026, announcing the postponement of the deadline for large companies to implement electronic invoicing (e-invoicing). As previously reported, large companies with gross revenue exceeding EUR 1 million for the 2023 tax year were required to implement e-invoicing from 2 February 2026. However, these companies have been granted additional time to complete required technical adjustments for e invoicing, including a new st…