The mayor, members of the city council and the city manager, or other city employees or officers designated by the city manager, are authorized to collect, accumulate and analyze information concerning the effect of proposed or pending legislation, to consult with employees or representatives of other municipalities or associations thereof, to respond and provide data and information, and to give testimony to state legislators, legislative committees, state administrative officers or other municipalities investigating the city’s experience, anticipated costs, benefits or problems which would result from such proposed or pending legislation. However, no testimony or opinions shall be advanced before such bodies by a representative of the city without prior consent of the mayor, who shall, if in doubt, consult with the city council. (Ord. 407 (part), 1976).