The volume contains the First Part, also known as the Parliamentary, of the Rules of the Hellenic Parliament, that is, the regulations governing its organization and operation. An extensive introduction is presented, in which the relevant constitutional provision, the processing procedure, and the basic choices of the first Rules of the post-dictatorship period are presented in order. the new Rules of June 1987 and the successive, twenty-nine in total, amendments to it, with the last one taking place at the beginning of the month. The text of the current Rules incorporates any changes that have occurred since its entry into force, with reference to the year of enactment of the individual provisions. The Code of Ethics of the members of the Hellenic Parliament has also been added. The volume is complemented by a thematic index to make the study more useful.