What is the highest judicial authority in France and how important is it?

Extract

[...] What is the highest judicial authority in France and how important is it? The court of cassation is the highest court in France. It hears appeals from decisions of the lower courts and reviews the constitutionality of laws. Moreover, in application of the (article L4111-1 of the Code de l'organisation judiciaire), there is, for the whole Republic, only one Cour de Cassation, in other words, one and only Supreme Court. In the first part, it's important to present the Court then in the second part, its importance (II). [...]

[...] The Court's Responsibilities The court is responsible for providing guidance to lower courts. This is done through its decisions, which are published in the Bulletin des arrêts de la Cour de Cassation. This bulletin contains the court's decisions, as well as summaries of those decisions. Lower courts can use these summaries to help them decide similar cases in the future. The court also has the power to review the decisions of administrative courts. This means that it can review the decisions of administrative courts in order to ensure that those decisions are correct in law and in fact. [...]

[...] Importance of the Court In this part, it is appropriate to discuss the power of the Court as well as its responsibilities The Court's Power The court has the power to set aside the decisions of lower courts, but it can only do so if it finds that those decisions were wrong. This means that the court can only overturn the decisions of lower courts if it finds that those decisions were wrong in law or in fact. The court also has the power to refer cases to the Constitutional Council and the European Court of Human Rights. This means that the court can refer cases to these higher courts if it finds that the decisions of lower courts are wrong in law or in fact. [...]