23.020.  Duties of committee. — The committee shall perform the following services for the members of the general assembly:

  (1)  Provide a research and reference service on legislative problems;

  (2)  Upon written request, make investigation into legislative and governmental institutions of this state or other states to aid the general assembly;

  (3)  Upon written request, assist and cooperate with any interim legislative committee or commission created by the general assembly;

  (4)  Upon request of the joint committee, draft or aid in drafting revision bills under section 23.045, and any resolutions and amendments directly related to any revision bill or the duties and functions of the joint committee on legislative research, and render any other service in connection therewith for any member of the general assembly.