What remedies are available in the last instance?

Information sheet The Higher Council of Justice:

High Court

I. Dutyand composition
The High Court (Tribunal Superior) constitutes the highest instance of thejudicial organisation of the Principality. It is competent to hear all theappeals lodged against legal decisions adopted in the first instance by theAndorran Magistracy, in civil and administrative matters, within the limitsfixed by the law and, in criminal matters, by the Criminal Court.
It is structured in three chambers, for civil affairs, criminal cases, andmatters of judicial review and social security.
The High Court consists of a President and eight Judges. Each of the chambersin session is presided over by three Judges.
The President of the Court is also President of one of the three chambers.

The Higher Council of Justice,