Housing Act Article 21
In the event a municipal or county (city) competent authority building social housing in accordance with this Act requires non-public use public land or buildings, the competent authority may proceed with appropriation.Income gained from the use of national land or buildings by the competent authority for providing social housing in accordance with this Act may be used for providing social housing, and shall not be bound by Article 7 of the National Property Act.If a competent authority, for the purpose of providing social housing in accordance with this Act, requires appropriation of non-public use public land or building with compensation, the competent authority may rent the land or building for a period prescribed by the central competent authority, and shall not be bound by the lease period set for the in Article 43 of the National Property Act. Land value tax and house tax during the lease period shall be paid by the competent authority, but shall be exempted for the construction period of the social housing.The competent authority may exchange land for neighboring pieces of land for overall planning. Where the abovementioned neighboring land is private property, land exchange shall not be bound by Article 104 and Article 107 of the Land Act.