C.R.S.
Section 1-4-402
Nominations of political party candidates
(1)
Intentionally left blank —Ed.(a)
Any convention of delegates of a political party or any committee authorized by resolution of the convention shall nominate a candidate to fill a vacancy in the unexpired term of a representative in congress. A state central committee, its managing or executive committee selected pursuant to section 1-3-105 (2), or any other committee designated by the bylaws of the state central committee to convene a convention to nominate a candidate to fill a vacancy in the unexpired term of a representative in congress shall convene the convention and shall provide the procedure for the nomination of the candidate. A copy of the notice of election, as set by the governor and filed with the secretary of state, shall be sent by certified mail to the state chairperson of each political party.(b)
Upon receipt of the notice, the state chairperson shall issue a call for the state convention, stating the number of delegates from each county and the method of their selection.(c)
No convention shall be held later than the twentieth day from the date of the order issued by the governor.(d)
Intentionally left blank —Ed.(I)
Any candidate nominated by a political party must be affiliated with the party for at least twelve consecutive months prior to the date the convention begins, as shown in the statewide voter registration system.(II)
Notwithstanding the provisions of subparagraph (I) of this paragraph (d), if a political party has established a rule regarding the length of affiliation which is necessary to be eligible for nomination by convention for the office of representative in congress, the party rule shall apply.(2)
The nomination to fill the vacancy in the unexpired term of a representative in congress made by the political party convention or a committee authorized by the convention shall be certified by affidavit of the presiding officer and secretary of the convention or committee.
Source:
Section 1-4-402 — Nominations of political party candidates, https://leg.colorado.gov/sites/default/files/images/olls/crs2023-title-01.pdf
(accessed Oct. 20, 2023).