Whenever the civil service commission shall, by rule, have classified offices and places of employment in the city into classes and grades, and said offices and places shall have been classed according to the general line and character of work involved in the respective duties thereof, and such commission shall have established grades or ranks within each class, each grade or rank comprising offices and places having substantially similar duties, authority and responsibility, appropriations for salaries for all such offices and places of employment within each grade shall be uniform. No salaries shall be paid by the comptroller or city treasurer for services of any officer or employee unless such person is occupying an office or place of employment according to the provisions of this chapter and is entitled to payment therefor.
(Prior code § 25-31)