Colo. Rev. Stat. § 23-71-105
Upon receipt of the petition provided in section 23-71-104, the county clerk and recorder or, in the event the proposed district is situated in two or more counties, the secretary of state shall review the petition to determine whether it contains the number of signatures required for an organizational election. In the event that the petition contains the requisite number of signatures, the county clerk and recorder or secretary of state shall give notice to the school electors residing in the area of the proposed district that at the next regular biennial school election, or at a special election which is requested in the petition, the question of organizing a local college district will be submitted to the eligible electors of the respective school districts located in the area of the proposed local college district.
C.R.S. § 23-71-105