§ 363. Certain cities; appointment of deputy commissioners and others; removal. 1. The commissioner of health in cities having a population of fifty thousand to one hundred seventy-five thousand may appoint and at pleasure remove a deputy commissioner of health who shall be qualified as prescribed in the sanitary code.

2. The commissioner of health in cities having a population of fifty thousand to one hundred seventy-five thousand or health officer in cities having a population of less than fifty thousand shall appoint such subordinates as shall be prescribed by the board of estimate and apportionment or other board or authority in such cities which is by charter authorized to designate the number of employees.