Colo. Rev. Stat. § 31-23-205
The commission may appoint such employees as it deems necessary for its work; except that the appointment, promotion, demotion, and removal of such employees shall be subject to the same provisions of law as govern other corresponding civil employees of the municipality. The commission may also contract, with the approval of the governing body, with municipal planners, engineers, and architects and other consultants for such services as it requires. The expenditures of the commission, exclusive of gifts, shall be within the amounts appropriated for the purpose by the governing body, which shall provide the funds, equipment, and accommodations necessary for the commission's work.
C.R.S. § 31-23-205
This section is similar to former § 31-23-105 as it existed prior to 1975.