C.R.S. § 1-4-1102

(1) Except as provided in subsection (2) of this section, the affidavit of intent shall be filed by the close of business on the sixty-seventh day before a primary election and by the close of business on the one hundred tenth day before any other election. (2) In a nonpartisan election, the affidavit of intent shall be filed by the close of business on the sixty-fourth day before the election. If the election is to be coordinated by the county clerk and recorder, the designated election official shall forward a copy of the affidavit of intent to the coordinated election official.