The maximum validity of the proof of artistic aptitude, which is demonstrated by the candidate by passing the entrance examination, is 20 months. The candidate must initiate his/her studies within the matriculation time, which may shorten this period. In case of exmatriculation, the same curriculum may be resumed within a total of 20 months. After expiry of these 20 months, the entrance examination must be undergone once more before being allowed to resume the curriculum.