Council was formed in 1955 and registered with the State of Colorado as a non-profit organization.
Bylaws

As a non-profit organization Council must maintain a set of bylaws. Here is the link to the current bylaws.
Standing Rules

Council also has a set of Standing Rules that govern its activities, especially competitions. Here is the link to the current Standing Rules.
Year-End Awards

While the Quarterly Competitions are "Open" competitions (no specific theme), the year-end competitions have two "Divisions", "Nature" and "Pictorial". Within each division, there are "Special Categories". Here is the link to the rules covering the Divisions and Special Categories at the year-end competition.