No members of the general assembly will be questioned in any other place for any speech or word spoken in debate in either house or for conducting or performing any other legislative activity that relates to the drafting of bills and other legislative measures, including amendments to such bills or measures, and to the rendering of assistance or information to constituents on their personal and private matters that are not publicly known. In addition, no staff members of the general assembly will be questioned in any other place for conducting or performing any duties or functions directly related to such legislative activity when it is conducted or performed at the direction of members of the general assembly.
C.R.S. § 2-2-304