Administrative legal relations are divided into external administrative legal relations and internal administrative legal relations according to the scope of administrative power. The administrative and managed relations between administrative agencies and citizens, legal persons and other organizations are external administrative legal relations; The subordinate relationship at the level is an internal administrative-legal relationship. According to the above definitions, Which of the following acts belong to the internal administrative-legal relationship:. ['a company pays taxes to the tax bureau.', 'a university punishes students who violate discipline.', 'a catering company inspected by a health bureau.', 'the Provincial Public Security Department praises the "British Model Police" of the Provincial Traffic Police Brigade.']