There is hereby excluded from this chapter any authority to make any agreement with respect to any position or any employee or officials now covered or authorized to be covered by any other ordinance creating any retirement system for any employee or official of the municipality. There is further excluded from this chapter any authority to make any agreement with respect to any position or any employee or officials, compensation for which is on a fee basis or any position, or any employee or official not authorized to be covered by applicable state or federal laws or regulations (Ord. #255, sec. 6 and 7, Oct. 9, 1951).