Applicants belonging to an Olympiakader, Perspektivkader, Ergänzungskader, Nachwuchskader 1, Nachwuchskader 2 or Paralympicskader squad, built on federal level, belonging to a federal association of the DOSB and catered by an Olympic Traning Center (OSP) in Berlin or Brandenburg must submit a current proof of squad-membership issued by the professional association (Fachverband).