Colo. Rev. Stat. § 11-47-120
Any state-chartered savings and loan association, or any federally chartered savings and loan association having its principal office in this state that is authorized by the laws of this state or of the United States to accept deposit accounts or savings deposits, is authorized to accept and hold, and any governmental unit is authorized to make and maintain in such association, deposits of public moneys as provided in this article. Any such association is authorized to accept and hold, and any governmental unit is authorized to make and maintain therein, deposits of public moneys to the extent that the full amount thereof is insured by the federal deposit insurance corporation or its successor, even though such association has not elected to be designated as an eligible public depository under the provisions of this article.
C.R.S. § 11-47-120