Colo. Rev. Stat. § 32-11-503
No recourse shall be had for the payment of the principal of, any interest on, and any prior redemption premiums due in connection with any bonds or other district securities or other obligations of the district evidenced by any other contract or for any claim based thereon or otherwise upon the resolution authorizing the issuance of such securities or the incurrence of such other obligations, or other instrument pertaining thereto, against any individual director or any officer or other agent of the district, past, present, or future, either directly or indirectly through the board or the district, or otherwise, whether by virtue of any constitution, statute, or rule of law, or by the endorsement of any penalty or otherwise, all such liability, if any, shall be by the acceptance of the securities and as a part of the consideration of their issuance or by the making of any other contract specially waived and released.
C.R.S. § 32-11-503