Legal basis: Article 50 of the Notice of the General Office of the State Council on Forwarding the Request of the Ministry of Education on Several Issues Concerning Holding Correspondence and Evening College Graduates in Staff Universities, Amateur Universities and Colleges. 1979 article 50 workers' universities, amateur universities, correspondence universities and night university students (excluding graduates before the examination and approval) who have completed the prescribed courses, passed the examination according to the prescribed examination methods, passed the examination, and obtained the graduation certificate after the approval of the people's governments of provinces, municipalities and autonomous regions or the relevant ministries and commissions in the State Council and the approval of the Ministry of Education may be selected as the specialties approved by the Ministry of Education.