This article shall apply to the qualification for placement on the presidential primary ballot of candidates who are not selected candidates as referred to in Section 6041, and each group, consisting of at least seven voters of the state who are registered as affiliated with the Democratic Party, proposing the selection of delegates expressing no preference for a candidate for President, hereinafter referred to as an “uncommitted delegation.” The additional candidates who qualify under this article shall hereinafter be referred to as unselected
candidates.