Colorado is a nonbinding precinct caucus. Its 36 delegates will be chosen at district conventions held between March 31 and April 13, and at the state convention on April 14.
Minnesota is a nonbinding precinct caucus. Its 40 delegates will be chosen at district conventions held between April 14 and April 21, and at a state convention on May 5. Delegates are not bound unless the state convention passes a resolution to bind the delegates.
Missouri will hold a primary that is not recognized as being a part of any delegate allocation or selection process. A precinct caucus will be held on March 17 to begin the process of choosing its 52 delegates, who will be chosen at district conventions on April 21, and at a state convention on June 2. Candidates for delegate must state a presidential preference at the time of nomination and will be bound to support that candidate for one ballot at the national convention.