(a) Resident owners may file a petition to include additional area within an existing district with the state board. The procedure for a petition to establish a district shall be followed on a petition to include additional area. The state board shall prescribe the form for the petition, which shall be as nearly as possible in the form for a petition to organize a district.
(b) If the petition for an area proposed for inclusion is signed by a majority of the resident owners in the area, a referendum need not be held.
(c) In a referendum to include additional area, all eligible voters within the proposed additional area may vote.
(d) It is not necessary to obtain the consent of the fee owners within the district before the additional area is annexed to a district.