Within thirty days of the enactment of an ordinance proposing to reduce the corporate limits of a city or town, the city or town shall apply to the circuit court for the city, or to the circuit court for the city or town, for an order confirming the ordinance. The circuit court with which the petition is filed shall notify the Supreme Court, which shall appoint a special court to hear the case as prescribed by Chapter 30 (§ 15.2-3000 et seq.) of this title. One or more residents or landowners of the territory proposed to be abandoned, or the governing body of the county or counties contiguous thereto, may appear and by petition set forth reasons why the corporate limits should not be reduced.