Colo. Rev. Stat. § 29-4-721
Any holder of bonds issued under the provisions of this part 7, or any coupons appertaining thereto and the trustee under any trust agreement or resolution authorizing the issuance of such bonds, except to the extent the rights under this part 7 may be restricted by such trust agreement or resolution, may, either at law or in equity by suit, action, mandamus, or other proceeding, protect and enforce any and all rights under the laws of the state or granted under this part 7 or under such agreement or resolution, or under any other contract executed by the authority pursuant to this part 7, and may enforce and compel the performance of all duties required by this part 7 or by such trust agreement or resolution to be performed by the authority or by an officer thereof.
C.R.S. § 29-4-721
This section was originally numbered as § 29-4-716 in C.R.S. 1973 but was renumbered on revision in the 1977 replacement volume for ease of location.