The NTC training courses are divided into three categories:

  1. Long-Term Training Programs, for the purpose of improving overall capacity and quality as tax officials
  2. Short-Term Training Programs, for the purpose of knowledge acquisition directly necessary for specialized works
  3. Correspondence Training Courses, for the purpose of knowledge acquisition on specific subjects necessary for works

By systematically combining them, NTA officials can have the necessary training throughout their careers. (NTC Training System)