The new edition of this book has become necessary as legislative, case law, and theoretical developments are, in many cases, remarkable.

An important part of these developments concerns the provisions introduced by laws 4472/2017, 4512/2018, 4635/2019 regarding collective labor relations, which are also the main focus of this new edition of the book.

In the new provisions, the General Data Protection Regulation and Law 4624/2019 concerning personal data relevant to collective labor relations are also added, with emerging issues analyzed herein, such as the possibilities they afford to workers' trade unions for representation in personal data disputes, as well as the potential regulation of related matters through collective employment agreements.

Furthermore, the amendments introduced by the latest supplementary Law 4808/2021, which targets trade union law and strike law, are included. Its regulations have been subject to intense criticism.

This edition systematically analyzes all critical issues arising in the field of collective labor law through a rich presentation of theoretical views as well as a critical approach to the specific provisions of the law, in relation to the overarching goal of reforming labor legislation.

Regarding specific provisions, the theoretical discussion focuses on the numerous reforms, while at the same time, an effort is made to clarify, organize, and analyze their purposes to ensure clarity and a comprehensive understanding by judges and lawyers of the act, as well as students and scholars of the field.