1. All of the plaintiffs' claims are dismissed.

2. The costs of the lawsuit shall include costs resulting from the participation.

1. Details of the disposition;

A. On May 7, 2001, the Mayor of Seodaemun-gu Seoul Special Metropolitan City announced D’s announcement D, the Seodaemun-gu Seoul Metropolitan Government announced the F District Unit Planning Decision as to the F District Unit Planning Zone of 72,500 square meters, and on November 18, 2003, he publicly announced as G in Seodaemun-gu Seoul Special Metropolitan City’s announcement G in the designation of the F District Unit Planning Zone of 1,180,000 square meters as I, and on April 5, 2007, the Mayor designated the Seodaemun-gu Seoul Special Metropolitan City F District Unit Planning Zone of 3 large 13,248 square meters (hereinafter “K”) as a quasi-residential area.

B. The owner of K’s land or building (hereinafter “owner of land, etc.”) constituted the “K Urban Environment Improvement Project Association Establishment Promotion Committee” (hereinafter “instant Promotion Committee”) based on the decision to modify the urban management plan, and received approval for establishment from the Defendant on May 29, 2007.

C. On December 10, 2009, the Seoul Special Metropolitan City Mayor: (a) designated K as an urban renewal acceleration district for K as an urban renewal acceleration district on December 10, 2009; and (b) determined and publicly announced an urban renewal acceleration plan; (c) accordingly, the Seoul Seodaemun-gu Seoul Metropolitan Government E large 326,665 square meters was determined as a preserved management district

On February 27, 2010, the instant promotion committee filed an application for authorization to establish an urban environment rearrangement project association with the Defendant on March 5, 2010, following the inaugural general meeting on February 27, 2010. On March 18, 2010, the Defendant approved the establishment of the “K Urban Environment Improvement Project Association” (hereinafter “former Association”).

E. On July 7, 2014, the Defendant: (a) deemed that there was a problem in treating K as an urban renewal acceleration district; and (b) revoked ex officio the authorization for establishment of the previous association; and (c) on December 18, 2014, the Mayor of Seodaemun-gu Seoul Metropolitan Government publicly notified on the Seoul Metropolitan Government, thereby newly designating the area of 13,248 square meters as a BBB promotion district (hereinafter “instant improvement zone”).

F. The instant promotion committee was drafted from the owners of land in the instant improvement zone.