C.R.S. § 37-23-106

The board of directors shall modify said classification so that it conforms to the changes made therein in the hearings before said board, and the secretary of the district shall certify and file said classification of property of the district so modified, properly tabulated or shown by a map, or both, with the county clerk and recorder of each county in which the district is located, and, if through any appeal said classification is modified, the board shall then modify the classification, and the secretary of the district shall certify and file the same so modified with the county clerk and recorder of each county in which the district is located.