“There is no shortage of legislation guaranteeing the right to an interpreter for all non-Spanish speakers appearing in a Spanish courtroom. […] The legislation governing such appointments dates back to 1882 and basically opens the door to anyone who states that they speak the languages required.”
Nuremberg in Madrid: The Role of Interpreting in the Madrid Train Bomb Trial.
From AIIC; by Anne MARTIN, Juan Miguel ORTEGA HERRÁEZ