(a)   The board of mayor and aldermen shall provide by ordinance for the adoption by city authorities, boards, commissions, departments and officers written statements of policy or interpretations thereof formulated or used in the discharge of their duties.
   (b)   These statements of policies shall include a general description of the organization of the department, the general course and method of its operations, the methods by which the public may obtain information or make submissions or requests, as well as forms and instructions used in dealing with the public, and a description of such other procedures which may directly bear on relations with the public, including any applicable appeal procedure.
   (c)   Each authority, board, commission, department and officer shall file all such adopted rules with the city clerk and shall transmit to the city clerk and make available to the public all other written statements of policy or interpretation formulated or used by the agency in the discharge of its duties.