C.R.S. § 12-10-619

(1) Except as provided in subsection (2) of this section, unless a federal waiver is applied for and granted pursuant to section 12-10-604 (1)(i), a person acting as a real estate appraiser in this state shall be licensed or certified as provided in this part 6. No person shall practice without a license or certificate or hold himself or herself out to the public as a licensed or certified real estate appraiser unless licensed or certified pursuant to this part 6. (2) An appraiser employee of a county assessor who is employed to appraise real property shall be licensed or certified as provided in this part 6 and shall have two years from the date of taking office or the beginning of employment to comply with this part 6.