1. All plaintiffs' lawsuits are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. The Mayor of Seoul Special Metropolitan City, on October 10, 2003, designated and publicly announced the 1-1 urban environmental improvement zone of Jung-gu, Seoul as the 2003-298 Notice of Seoul Special Metropolitan City, which is the 1-24 square meters large 14,751.5 square meters (hereinafter “instant improvement zone”).

B. On December 2, 2004, the Defendant applied for authorization to establish an urban environment rearrangement project (hereinafter “instant project”) in the instant rearrangement zone, and the head of the Jung-gu Office approved the establishment of the Defendant association on December 16, 2004 (hereinafter “instant association authorization”).

C. On December 23, 2005, the Defendant obtained authorization from the head of the Gu to implement the project of this case (hereinafter “previous project implementation plan”) on the implementation plan of the project of this case from January 5, 2007.

The plaintiffs were forced to join the defendant's members under Article 19 (1) of the Act on the Maintenance and Improvement of Urban Areas and Dwelling Conditions for Residents (hereinafter "Urban Improvement Act"), as those who owned land, etc. in the rearrangement zone of this case, and they did not apply for parcelling-out by February 9, 2007, the period for applying for parcelling-out as notified by the defendant after the completion of the above project. The defendant failed to reach a consultation on cash settlement with the plaintiffs, and applied for the adjudication of expropriation of the land, etc. owned by the plaintiffs pursuant to Article 38 of the Urban Improvement Act. The local Land Tribunal of Seoul Special Metropolitan City

E. On February 27, 2007, the Defendant held a general meeting of the management and disposition and decided on the approval, etc. of the management and disposition plan, and obtained authorization from the head of the Gu on June 22, 2007 of the management and disposition plan (hereinafter “previous management and disposition plan”).

F. On May 10, 2012, the Defendant holds an ordinary general meeting to decide on the project implementation modification plan, etc., and attached a project implementation modification plan for the instant project to the head of Jung-gu (hereinafter “instant project implementation modification plan”).