1. All of the plaintiffs' claims are dismissed.

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

1. Basic facts

A. The procedure for selling the apartment of this case and advertisement for selling the apartment of this case 1) Korea National Housing Corporation (Korea National Housing Corporation in accordance with Article 7 of the Addenda to Korea Land and Housing Corporation on October 1, 2009) and the defendant comprehensively succeeded to the rights and obligations of Korea National Housing Corporation in accordance with Article 8(1).

On August 2, 2004, upon approval of the Governor of the Gyeonggi-do for the housing construction project, the Plaintiff constructed a housing unit with resale agreement on the ground B located within the PH district, and constructed a housing unit for sale on the ground C located within the said district. 2) On September 29, 2007, the Defendant issued a notice of invitation for sale of the housing unit with the above repurchase agreement and the housing unit for sale on the land leased for sale (hereinafter collectively referred to as “house for sale”) and sold the housing unit in the order of priority, but only 61 households out of the total 804 households have been sold in lots and 743 households have been unsold.

3) On February 11, 2009, the Ministry of the Interior and Safety announced an economic revitalization measure that “The sales contract has been concluded after the date of announcement to stabilize the housing market that belongs to the district of urgency and to provide liquidity support to the construction industry, and only the unsold houses acquired from the date of implementation of the amendment of the City/Do Ordinance on Reduction and Exemption until June 30, 2010, acquisition tax and registration tax shall be reduced by 50%, respectively.”

(i) Acquisition tax and registration tax shall be reduced, respectively, as follows, if acquired by selling in lots for the first time by the relevant business entity: