Its commander and political commissar are equivalent to the mayor and party secretary of a prefecture-level city.
The official department level is the chief at the prefecture level, and it is a five-level cadre. It used to be called the chief at the bureau level, mainly including prefecture-level cities and autonomous prefectures, secretary of the municipal party committee, mayor, director of the municipal people's congress and chairman of the CPPCC. Provincial subordinate units, such as the director of the provincial public security department. Subordinate units of national ministries and commissions, such as the director of the Information Department of the Ministry of Foreign Affairs.