If the board does not form a zone after the close of a hearing in accordance with Section 6967 and no petition is filed pursuant to Section 6967, or if the board abandons proceedings on the proposal to form a zone, or if the formation of a zone is not confirmed by the voters, no further proceeding shall be taken thereon. No application for a subsequent proposal involving substantially the same territory and undertaken pursuant to the provisions of this chapter shall be considered or acted upon by the public agency for at least one year after the date of disapproval of, abandonment of, or election on the proceedings.