Ski resorts of Serbia is notifying that teaching skiing in the ski resort in Kopaonik can be performed  only by ski instructors that are engaged by the ski school, which has approval and signed  contract with JP "Ski resorts of Serbia."
      All persons who made unauthorized services teaching skiing in the ski resort, managed by JP "Ski resorts of Serbia", ski pass will be temporarily or permanently subducted.
      Persons who are using services training skiing by unauthorized persons are doing that on their own responsibility.

Source: Ski resorts of Serbia