An action to form a new community college district is initiated upon the filing of a petition with the county superintendent of schools having jurisdiction. A petition to form a new community college district shall be signed by one of the following:
(a)
Where the territory to be formed into the new district is not a part of an existing district, at least 25 percent of the registered voters residing in that territory shall sign the petition. Where the petition is to form a new district by combining the territory of one or more existing community college districts, at least 25 percent of the registered voters residing in each affected existing district shall sign the petition.
(b)
A majority of the members of the governing board of each of the community college districts and of each of the high school or unified school districts located within the territory to be formed into a new community college district.