Colo. Rev. Stat. § 37-43-151
At any refunding bond election held under the provisions of sections 37-43-144 to 37-43-151, the board of directors may submit to the voters of the district the question of giving landowners the privilege of relieving their lands from the lien of taxes or assessments to be levied for the payment of said refunding bonds and the interest thereon. If authorized by a majority of those voting on the question, any owner of land within the district, who is not in default in the payment of irrigation district taxes or assessments, may relieve his lands from the burden of such refunded indebtedness by paying to the district treasurer an amount of money sufficient to retire district bonds in such ratio to the total bonded indebtedness of the district as the acreage of lands which he owns within such district bears to the total acreage thereof subject to such bonded indebtedness plus fifteen percent for the privilege of discharging his total indebtedness to the district at one time. The treasurer shall thereupon issue to such landowner his official receipt in duplicate, one of which receipts shall be filed with the secretary of such irrigation district and one filed for record in the office of the county clerk and recorder of the county wherein the lands involved are situate, and from and after such filing, such lands shall be free and clear from all liens, levies, and assessments of such bonded indebtedness for which such payment was made.
C.R.S. § 37-43-151