Colorado constitution
Article X
Section 15

(2) The state board of equalization shall appoint, by a majority vote, a property tax administrator who shall serve for a term of five years and until his successor is appointed and qualified unless removed for cause by a majority vote of the state board of equalization. The property tax administrator shall have the duty, as provided by law, of administering the property tax laws and such other duties as may be prescribed by law and shall be subject to the supervision and control of the state board of equalization. The position of property tax administrator shall be exempt from the personnel system of this state.