The experience plays an important part in the progress of the judging education. It is required to judge three contests as a C-license Judge, to be admitted to the B-License exam. Besides the Opens, Jams and Nationals the B-License also enables to judge Slackline World Cups and World Championships.
The examination consists of two parts: a written exam (questionary) and a practical test (also online possible). Both parts have to be passed successfully. If the examinee fails in one of both, he has to repeat the whole examination.