The Colorado Secretary of State web page keeps a list of presidential primary candidates. The list is updated when someone files. The deadline is January 3. Candidates merely need a filing fee.
As of November 19, here is the list. There are six Democrats and three Republicans.
HOW MANY SUPER-COMPUTERS [AND LAWYER ARMIES] NOW NEEDED TO KEEP UP TO DATE ON BALLOT ACCESS – ESP FOR PREZ PRIMARIES ???
So, Richard I take it that all the other ballot qualified parties in Colorado aren’t eligible to have their own primary?