The special court shall by order fix a time within which a voter, property owner or political subdivision not served may become a party to a proceeding instituted under this chapter, and thereafter no such petition shall be received, except for good cause shown. A copy of the order shall be published twice in a newspaper of general circulation in the county and in the adjoining or adjacent counties and cities, with the first notice appearing no more than 28 days and the second notice appearing no less than seven days before the time fixed by the special court.