Τήρηση των υποχρεώσεων του κράτους σημαίας σύμ− φωνα με την οδηγία 2009/21/ΕΚ του Ευρωπαϊκού Κοινοβουλίου και του Συμβουλίου της 23ης Απριλί− ου 2009 (L.131/28.5.2009).

This presidential decree concerns the adherence to obligations required of Greece as a flag state, as outlined in a 2009 EU directive. It ensures the country meets international maritime safety and environmental standards for ships flying its flag. This affects ship owners, maritime authorities, and the shipping industry operating under Greek jurisdiction. It aims to enhance maritime security and prevent pollution from vessels.