Colo. Const. art. XXVIII, § 2

Definitions. For the purpose of this article and any statutory provisions pertaining to campaign finance, including provisions pertaining to disclosure: (1) "Appropriate officer" means the individual with whom a candidate, candidate committee, political committee, small donor committee, or issue committee must file pursuant to section 1-45-109 (1), C.R.S., or any successor section. (2) "Candidate" means any person who seeks nomination or election to any state or local public office that is to be voted on in this state at any primary election, general election, school district election, special district election, or municipal election. "Candidate" also includes a judge or justice of any court of record who seeks to be retained in office pursuant to the provisions of section 25 of article VI. A person is a candidate for election if the person has publicly announced an intention to seek election to public office or retention of a judicial office and thereafter has received a contribution or made an expenditure in support of the candidacy. A person remains a candidate for purposes of this article so long as the candidate maintains a registered candidate committee. A person who maintains a candidate committee after an election cycle, but who has not publicly announced an intention to seek election to public office in the next or any subsequent election cycle, is a candidate for purposes of this article. (3) "Candidate committee" means a person, including the candidate, or persons with the common purpose of receiving contributions or making expenditures under the authority of a candidate. A contribution to a candidate shall be deemed a contribution to the candidate's candidate committee. A candidate shall have only one candidate committee. A candidate committee shall be considered open and active until affirmatively closed by the candidate or by action of the secretary of state. (4) "Conduit" means a person who transmits contributions from more than one person, directly to a candidate committee. "Conduit" does not include the contributor's immediate family members, the candidate or campaign treasurer of the candidate committee receiving the contribution, a volunteer fund raiser hosting an event for a candidate committee, or a professional fund raiser if the fund raiser is compensated at the usual and customary rate. (4.5) "Contract holder" means any non-governmental party to a sole source government contract, including persons that control ten percent or more shares or interest in that party; or that party's officers, directors or trustees; or, in the case of collective bargaining agreements, the labor organization and any political committees created or controlled by the labor organization;