Colorado Constitution of 1876 Art. XXVIII, § 5. Independent expenditures

(1) Any person making an independent expenditure in excess of one thousand dollars per calendar year shall deliver notice in writing to the secretary of state of such independent expenditure, as well as the amount of such expenditure, and a detailed description of the use of such independent expenditure. The notice shall specifically state the name of the candidate whom the independent expenditure is intended to support or oppose. Each independent expenditure in excess of one-thousand dollars shall require the delivery of a new notice. Any person making an independent expenditure within thirty days of a primary or general election shall deliver such notice within forty-eight hours after obligating funds for such expenditure.

(2) Any person making an independent expenditure in excess of one thousand dollars shall disclose, in the communication produced by the expenditure, the name of the person making the expenditure and the specific statement that the advertisement of material is not authorized by any candidate. Such disclosure shall be prominently featured in the communication.

(3) Expenditures by any person on behalf of a candidate for public office that are coordinated with or controlled by the candidate or the candidate's agent, or political party shall be considered a contribution to the candidate's candidate committee, or the political party, respectively.

(4) This section 5 applies only to independent expenditures made for the purpose of expressly advocating the defeat or election of any candidate.