C.R.S. § 29-8-126
29-8-126. When collections paid city
29-8-126. When collections paid city. In the case of improvement districts located within cities or towns, all collections made by the county treasurer upon such assessment roll in any calendar month shall be accounted for and paid over to the city or town treasurer on or before the tenth day of the next succeeding calendar month, with separate statements for all such collections for each improvement district.