C.R.S. § 42-2-507

The department shall keep the applicant’s individual taxpayer identification number confidential and shall not place it on the applicant’s document; except that this confidentiality requirement does not extend to the state child support enforcement agency, the department, or a court of competent jurisdiction when requesting information in the course of activities authorized under article 13 of title 26 , C.R.S., or article 14 of title 14 , C.R.S.