The City Planning Commission shall select its own Chairman and Vice-Chairman. It shall serve as an advisory body only, and all of its reports or recommendations to the City Council shall be signed by its secretary who shall, when desired, furnish the Council with the facts as to the adoption of any such report or recommendation and particularly with reference to the number of the members of the Commission who participated at the meeting at which any such report or recommendation was authorized and such other information as to the work of the City Planning Commission as the City Council may request. (Code 1962, § 2-84)