 Since 2002, the Instituto Cervantes has been responsible for the entire examination; it also acts as a Central Examinations Board and issues the Diplomas.The Instituto Cervantes has been delegating the tasks of setting up the examinations, designing test papers and grading to the University of Salamanca since then.Originally, the DELE existed in only three levels, but later on developed into six levels, each corresponding to a certain level described by the Common European Framework of Reference for Languages.