This is from the Colorado Democratic Bylaws – reformatted for easier reading.  last updated on 8/15/2011

A. Qualifications for Participation in Caucuses. In order to vote at any precinct caucus, assembly, or convention of a political party, the elector shall be a resident of the precinct for thirty days, shall have registered to vote no later than twenty-nine days before the caucus, assembly, or convention, and shall be affiliated with the Democratic party holding the caucus, assembly, or convention for at least two months as shown on the registration books of the county clerk and recorder; except that any registered elector who has attained the age of eighteen years or who has become a naturalized citizen during the two months immediately preceding the meeting may vote at any caucus, assembly, or convention even though the elector has been affiliated with the political party for less than two months. CRS 1-3-101 (1) If a registered Democrat has become a resident of the county during the two months immediately preceding the precinct caucus; such affiliation with the party at said prior residence shall be counted in determining whether the person has been a registered Democrat for two months.

CRS 1-3-101 (2), 1-4-602 (5)

B. Call to Order. At the time and place set by the county central committee for the holding of the precinct caucuses, one of the incumbent precinct committee persons shall call the caucus to order. The committee persons shall decide which of them shall call the caucus to order by agreement or by lot. If no committee person is present, any Democratic elector eligible to vote at the caucus may call the meeting to order.

C. Reading of Rules. The person calling the caucus to order shall read and/or distribute a clear and concise statement of precinct caucus rules, procedures and requirements for participation in precinct caucuses and in the assembly and convention processes and shall have available those copies of the statements, rules and procedures for the duration of the caucus. They shall include the appropriate sections of the principles of affirmative action and fair reflection in these Rules.

[See Part One, Article III, section A. E]

D. Elections. The caucus shall then select a chair and a secretary and proceed to elect the allotted number of delegates to the county assembly (pursuant to Part Three, Article III, section D. F.), and to elect two committee persons of the precinct. [See Part Two, Article III]

E. Certification. The officers of the caucus shall prepare a certified list of the names of the delegates to the county assembly and the committee persons from the precinct on the forms supplied by the county chair and shall submit them to the chair at Democratic headquarters within 24 hours after the caucuses meet.