Colo. Rev. Stat. § 11-30-102
The commissioner shall cause to be prepared a standard form of bylaws, consistent with this article, to be issued to all credit unions. All credit unions shall operate under the standard bylaws; except that each such credit union, subject to the approval of the commissioner, shall propose its own name, its field of membership, the number of members of its board of directors, its credit committee, its supervisory committee, provisions relative to times and places of meetings of the membership and of the board of directors, provisions relative to the conduct of elections and balloting of the credit union, and modifications of the standard bylaws deemed appropriate by the board of directors for the operation of the individual credit union. Any and all amendments to the bylaws shall be approved by the commissioner before they become operative.
C.R.S. § 11-30-102