1. Invalidity of the approval for establishment of C Housing Redevelopment Project Association among the instant lawsuits.

1. Facts of recognition;

A. From around 2003, the Promotion Committee for the Establishment of the CHousing Redevelopment Project was established with the purpose of implementing a housing redevelopment project (hereinafter “instant project”). The Defendant applied for the approval of establishment around May 6, 2004 by the CHousing Redevelopment Project Promotion Committee around 779 owners of the land, etc. in the zone scheduled to implement the project (hereinafter “instant approval for establishment”). The approval for establishment of the Promotion Committee was deemed to have been approved on August 6, 2004 by 392 owners of the land, etc. (hereinafter “instant approval for establishment”). The name of the Promotion Committee was “(tentative name) Establishment Promotion Committee,” and the scheduled area for the implementation of the project was determined as 97,000 square meters in Seongdong-gu, Seoul.

Since then, C Association Establishment Promotion Committee changed its name to B Housing Redevelopment Partnership Establishment Promotion Committee (hereinafter referred to as “instant Promotion Committee”).

B. On April 29, 2006, the instant promotion committee, which is the telegraph of the Defendant’s assistant intervenor (hereinafter “participating”), held an inaugural general meeting of the partnership on April 29, 2006, and applied for authorization to establish an association on November 29, 2006. On December 22, 2006, the Defendant determined the number of owners of land, etc. on December 22, 2006, and 803 remaining excluding 17 persons whose location was not verified at the time of application for authorization to establish an association, examined the written consent to establish an association on the premise that the remaining 803 persons, excluding 17 persons whose location was confirmed at the time of application for authorization to establish an association, based on the submission of the valid written consent in Chapter 644 and the consent ratio reaches

C. Since then, the Intervenor took part in the instant business as indicated below.

On September 10, 2008, the defendant's project implementation plan was approved on August 10, 2007, and on September 10, 2008, the defendant's approval of change of the establishment of the association on October 1, 2009 (hereinafter "approval of change of the first establishment") was approved on October 20, 209. The defendant's approval of change of the project implementation plan was made on May 14, 2010.