Sec. 3.5. Not more than one hundred eighty (180) days after the date a petition is filed with the department under section 1 of this chapter to establish a regional district, if another petition is filed with the department that is signed by a majority of the owners of property that would be served by the proposed district and indicating that the owners of the property are opposed to the establishment of the proposed district, the department shall declare that the petition filed under section 1 of this chapter to establish the regional district:
(1) is void; and
(2) is not a sufficient petition for purposes of section 5 of this chapter.