Legal basis: Article 4 of the Interim Provisions on the Political Examination of Enrollment in Public Security Colleges. Candidates who have received criminal punishment, reeducation through labor, juvenile discipline and public security punishment in the past five years are regarded as unqualified in the political examination.

Suspected of violating the law and being investigated and controlled by political and legal organs; Be expelled from school, be a member of the League or be punished by party member, or be punished by demerit above in the past three years.